US20070198675A1 - Method, system and program product for deploying and allocating an autonomic sensor network ecosystem - Google Patents
Method, system and program product for deploying and allocating an autonomic sensor network ecosystemDownload PDFInfo
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- US20070198675A1 US20070198675A1US10/972,610US97261004AUS2007198675A1US 20070198675 A1US20070198675 A1US 20070198675A1US 97261004 AUS97261004 AUS 97261004AUS 2007198675 A1US2007198675 A1US 2007198675A1
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/16—Error detection or correction of the data by redundancy in hardware
- G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
- G06F11/202—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where processing functionality is redundant
- G06F11/2023—Failover techniques
- G06F11/2025—Failover techniques using centralised failover control functionality
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/003—Address allocation methods and details
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/16—Error detection or correction of the data by redundancy in hardware
- G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
- G06F11/202—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where processing functionality is redundant
- G06F11/2041—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where processing functionality is redundant with more than one idle spare processing component
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/16—Error detection or correction of the data by redundancy in hardware
- G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
- G06F11/202—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where processing functionality is redundant
- G06F11/2048—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where processing functionality is redundant where the redundant components share neither address space nor persistent storage
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2201/00—Indexing scheme relating to error detection, to error correction, and to monitoring
- G06F2201/805—Real-time
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/14—Backbone network devices
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/16—Gateway arrangements
Definitions
- the present inventiongenerally relates to an autonomic sensor network ecosystem. Specifically, the present invention relates to a method, system and program product for deploying, allocating and providing backup for the autonomic sensor network ecosystem.
- U.S. patent application Ser. No. 10/856,684takes a step towards avoiding data loss by providing a wireless sensor network in which a plurality of peers/motes/nodes are interconnected (e.g., on a peer-to-peer basis).
- the data setis broken up into data components, which are then stored among the nodes. Storage of the data components typically occurs by following a routing path through the network according to a routing table or the like. As the path is followed, the data components are stored among the nodes.
- each node in the networkis provided with a sensor for sensing environmental factors that could impact the capability of a node to transmit or store the data components.
- Other examples of sensor based detection systemsare described in U.S. Pat. No. 6,169,476 B1, and U.S. Pat. No 6,293,861 B1, both of which are herein incorporated by reference.
- a sensor networkcomprising a plurality of peer-to-peer nodes.
- Each node in the networkincludes, among other things, a sensor for detecting environmental factors.
- the nodewill query its neighboring nodes to determine whether they have the capability to store any data component(s) currently stored within the potentially failing node. Based on the querying, the data component(s) in the potentially failing node are copied to one or more of the neighboring nodes. Thereafter, details of the copying can be broadcast to other nodes in the network, and any routing tables that identify the locations of data components stored throughout the sensor network can be updated.
- the present inventionprovides an autonomic sensor network in a multi-network environment.
- the present inventionprovides a method, system and program product for deploying, allocating and providing backup for an autonomic sensor network ecosystem.
- the autonomic sensor network ecosystemincludes: (1) a set (e.g., one or more) of sensor networks for storing data components; (2) a set of sensor collector information gateways in communication with the sensor networks; and (3) a set of enterprise gateways and storage hubs (hereinafter referred to as enterprise gateways) in communication with the sensor collector intelligent gateways.
- Each sensor networkincludes a set of sensor peers and at least one super peer. The super peer manages the sensor network and communicates with the set of sensor collector information gateways.
- the autonomic sensor network ecosystem of the present inventionis deployed and allocated in such a manner that backup and resiliency is provided.
- a first aspect of the present inventionprovides a sensor network, comprising: a set of sensor peers and at least one super peer for storing data components; and wherein the set of peers and the at least one super peer each include a system for bonding to form the sensor network, and a system for broadcasting their identities, roles, resource availabilities and locations to each other, and wherein the at least one super peer creates and maintains a table of peer information that indicates the identities, the roles, the resource availabilities and the locations of the set of peers and the at least one super peer.
- a second aspect of the present inventionprovides an autonomic sensor network ecosystem, comprising: a sensor network having a set of sensor peers and at least one super peer for storing data components, wherein the at least one super peer creates and maintains a table of peer information that indicates identities, roles, resource availabilities, and locations of the set of peers and the at least one super peer; a set of sensor collector intelligent gateways in communication with the at least one super peer, wherein the set of sensor collector intelligent gateways creates and maintains a table of gateway information that indicates identities, roles, resource availabilities and locations of the set of sensor collector intelligent gateways, and wherein the set of sensor collector intelligent gateways receives the table of peer information from the at least one super peer; and a set of enterprise gateways in communication with the set of sensor collector intelligent gateways, wherein the set of enterprise gateways utilizes the table of peer information and the table of gateway information to create and maintain a table of ecosystem information.
- a third aspect of the present inventionprovides method for deploying and allocating an autonomic sensor network ecosystem, comprising: providing a sensor network having a set of sensor peers and at least one super peer for storing data components, wherein the at least one support peer creates and maintains a table of peer information that indicates identities, roles, resource availabilities, and locations of the set of peers and the at least one super peer; providing a set of sensor collector intelligent gateways in communication with the at least one super peer, wherein the set of sensor collector intelligent gateways creates and maintains a table of gateway information that indicates identities, roles, resource availabilities and locations of the set of sensor collector intelligent gateways, and wherein the set of sensor collector intelligent gateways receives the table of peer information from the at least one super peer; and providing a set of a set of enterprise gateways in communication with the set of sensor collector intelligent gateways, wherein the set of enterprise gateways utilizes the table of peer information and the table of gateway information to create and maintain a table of ecosystem information.
- a fourth aspect of the present inventionprovides a method for providing backup for an autonomic sensor network ecosystem, comprising: detecting a hazard within a sensor network of the autonomic sensor network ecosystem, wherein the sensor network includes a set of sensor peers and at least one super peer for storing data components; determining, on a set of sensor collector intelligent gateways, a location of the hazard based a table of information that indicates identities, resource availabilities, and locations of the set of peers and the at least one super peer; and communicating details of the hazard from the set of sensor collector intelligent gateways to a set of enterprise gateways that are in communication with the sensor collector intelligent gateways within the autonomic sensor network ecosystem.
- a fifth aspect of the present inventionprovides a method for providing backup for an autonomic sensor network ecosystem, comprising: detecting a failure of a super peer within a sensor network of the autonomic sensor network ecosystem, wherein the sensor network includes a set of sensor peers and at least one super peer for storing data components; selecting, on a set of sensor collector intelligent gateways in communication with the at least one super peer, one of the set of sensors peers to replace the failing super peer; and communicating information corresponding to the failure and the selecting from the set of sensor collector intelligent gateways to a set of enterprise gateways that are in communication with the sensor collector intelligent gateways within the autonomic sensor network ecosystem.
- a sixth aspect of the present inventionprovides a method for providing backup for an autonomic sensor network ecosystem, comprising: providing the autonomic sensor network ecosystem, wherein the autonomic sensor network ecosystem includes a sensor network having a set of sensor peers and at least one super peer for storing data components, a set of sensor collector intelligent gateways in communication with the sensor network and a set of enterprise gateways in communication with the set of sensor collector intelligent gateways; storing a set of data components within the sensor network, the sensor collector intelligent gateways and the enterprise gateway; maintaining a table of locations of the data components within the sensor network; detecting a failure within the sensor network; relocating data components stored within the sensor network based on the failure; and communicating information corresponding to the relocating to the set of sensor collector intelligent gateways and the set of enterprise gateways, and updating the table of locations based on the relocating.
- a seventh aspect of the present inventionprovides a method for deploying and allocating an autonomic sensor network ecosystem, comprising: providing a computer infrastructure being operable to: collect information on at least one super peer from a set of sensor peers within a sensor network of the autonomic sensor network ecosystem; create and maintaining a table of peer information that indicates identities, roles, resource availabilities and locations of the set of peers and the at least one super peer; relay the table of peer information from the at least one super peer to a set of sensor collector intelligent gateways; and sense environment factors within the sensor network.
- An eight aspect of the present inventionprovides a program product stored on a recordable medium for deploying and allocating an autonomic sensor network ecosystem, which when executed, comprises: program code for collecting information on at least one super peer from a set of sensor peers within a sensor network of the autonomic sensor network ecosystem; program code for creating and maintaining a table of peer information that indicates identities, roles, resource availabilities and locations of the set of peers and the at least one super peer; program code for relaying the table of peer information from the at least one super peer to a set of sensor collector intelligent gateways; and program code for sensing environment factors within the sensor network.
- a ninth aspect of the present inventionprovides computer software embodied in a propagated signal for deploying and allocating an autonomic sensor network ecosystem, the computer software comprising instructions to cause a computer system to perform the following functions: collect information on at least one super peer from a set of sensor peers within a sensor network of the autonomic sensor network ecosystem; create and maintain a table of peer information that indicates identities, roles, resource availabilities and locations of the set of peers and the at least one super peer; relay the information from the at least one super peer to a set of sensor collector intelligent gateways; and sense environment factors within the sensor network.
- the present inventionprovides a method, system and program product for deploying, allocating and providing backup for an autonomic sensor network ecosystem.
- FIG. 1depicts an autonomic sensor network ecosystem according to the present invention.
- FIG. 2demonstrates that the autonomic sensor network ecosystem of FIG. 1 can be a multi-network environment.
- FIG. 3depicts a more detailed system-level diagram of the autonomic sensor network ecosystem of FIG. 1 .
- FIG. 4depicts a first diagram of the deployment and allocation of the autonomic sensor network ecosystem of FIG. 1 .
- FIG. 5depicts an illustrative table of peer information according to the present invention.
- FIG. 6depicts a second diagram of the deployment and allocation of the autonomic sensor network ecosystem of FIG. 1 .
- FIG. 7depicts a third diagram of the deployment and allocation of the autonomic sensor network ecosystem of FIG. 1 .
- FIG. 8depicts the storage of data components within the autonomic sensor network ecosystem of FIG. 1 .
- FIG. 9depicts a diagram of a first illustrative backup scenario for the autonomic sensor network ecosystem of FIG. 1 .
- FIG. 10depicts a diagram of a second illustrative backup scenario for the autonomic sensor network ecosystem of FIG. 1 .
- FIG. 11depicts a first diagram of a third illustrative backup scenario for the autonomic sensor network ecosystem of FIG. 1 .
- FIG. 12depicts a second diagram of the illustrative third backup scenario for the autonomic sensor network ecosystem of FIG. 1 .
- FIG. 13depicts a diagram of a fourth illustrative backup scenario for the autonomic sensor network ecosystem of FIG. 1 .
- the present inventionprovides an autonomic sensor network in a multi-network environment.
- the present inventionprovides a method, system and program product for deploying, allocating and providing backup for an autonomic sensor network ecosystem.
- the autonomic sensor network ecosystemincludes: (1) a set (e.g., one or more) of sensor/peer networks for storing data components; (2) a set of sensor collector information gateways in communication with the sensor networks; and (3) a set of enterprise gateways and storage hubs (hereinafter referred to as enterprise gateways) in communication with the sensor collector information gateways.
- Each sensor networkincludes a set of sensor peers and at least one super peer. The super peer manages the sensor network and communicates with the set of sensor collector information gateways.
- the autonomic sensor network ecosystem of the present inventionis deployed and allocated in such a manner that backup and resiliency is provided.
- ecosystem 10includes sensor/peer network 12 , sensor collector intelligent gateways 14 and enterprise gateway and storage hub (enterprise gateway 16 ) having a grid request broker. Communication between sensor network 12 , sensor collector intelligent gateways 14 and enterprise gateway 16 can occur via a hardwired connection or a wireless connection. To this extent, communication typically occurs over a network such as the Internet, a local area network (LAN), a wide area network (WAN), a virtual private network (VPN), etc. Conventional network connectivity, such as Token Ring, Ethernet, WiFi or other conventional communications standards could be used. Still yet, connectivity could be provided by conventional IP-based protocol. In this instance, an Internet service provider could be used to establish interconnectivity.
- LANlocal area network
- WANwide area network
- VPNvirtual private network
- Conventional network connectivitysuch as Token Ring, Ethernet, WiFi or other conventional communications standards could be used.
- connectivitycould be provided by conventional IP-based protocol. In this instance, an Internet service provider could be used to establish interconnectivity.
- sensor network 12generally includes a set of peers 18 comprised of a set of sensor peers (e.g., SP 1 -SP 4 ) and a set of super peers (SP/R 1 and SP/R 2 ).
- a data structurecan be broken down into components and stored within the sensor peers of sensor network 12 .
- Sensor network 12may be implemented in an ad hoc or mesh network that comprises either a full mesh or partial mesh topology. In a full mesh topology, each peer 18 is in communication with each other peer. In a partial mesh topology, each node is not necessarily in communication with the other nodes. While the invention is typically implemented in a wireless environment, it is recognized that some or all of the communications could be implemented using a wired technology.
- peers 18are configured to broadcast information (e.g., state or status information) to one another. Moreover, as will be further described below, peers 18 are configured to bond together (e.g., via JOIN and GATHER requests) to form sensor network 12 .
- Super peers SP/R 1 and SP/R 2are configured to manage sensor network 12 , and to communicate with and/or relay information to sensor collector information gateway 14 . Such communication/relaying can occur using push or pull (e.g., query) techniques. In any event, sensor collector information gateway 14 is itself configured to communicate with enterprise gateway 16 .
- ecosystem 10can be a multi-network environment. An example of this is shown in FIG. 2 .
- ecosystem 10can include any quantity of sensor networks 12 , sensor collector information gateways 14 and enterprise gateways 16 . This provides optimal redundancy/resiliency in the event of failure of one or more the components.
- each peer 18includes the following layers/systems/services: (1) awareness, discovery and broadcast 22 ; (2) request and event 24 ; (3) application and data 26 ; (4) security stack credentials and encryption 28 ; (5) management 30 ; (6) network transport 32 ; (7) power management 34 ; (8) sensor 36 ; and (9) super peer/relay 38 .
- awareness, discovery and broadcast system 22allows peers 18 to communicate or exchange information with one another, and bond together to form a network. As discussed in the above cross-referenced patent applications, this process can include JOIN and GATHER and requests being exchanged.
- Request and event services 24provide for detection and administration of events within the sensor network.
- Application and data service 26provides for the storage of data components within the peers. To this extent, application and data service 26 store and relocate/copy data components as described din the above-incorporated patent applications.
- Security, stack, credentials and encryption key layer 28provide the necessary security for the peers. Specifically, since data components will be stored therein, security is provided.
- Management serviceprovides 30 for the configuring and administration of peers
- Network transport layer 32includes a passive layer and an active layer.
- the passive layeris used for passing or “hopping” data from one peer to another.
- the active layeris utilized for communicating data gathered or generated by the peer itself.
- Power management layer 34may comprise an energy supply such as a solar cell.
- Sensor layer 36is for sensing environmental changes (e.g., vibration, wind, chemicals and temperature) and may comprise any type of sensor or sensors that measure some environmental stimuli, including physical, chemical, or biological changes. To this extent, sensor layer 36 may collect, process and store sensed data.
- each peer 18includes super peer/relay services 38 .
- each peeris capable of becoming a super peer within the sensor network.
- the general role of the super peersis to gather information from the other peers, maintain a table of such peer information, and relay/communicate with sensor collector information gateways 14 .
- another peer within the sensor networkcan be “promoted” to super peer status.
- each peer 18could include other systems/layers/services not depicted herein. Such systems/layers/services are shown and described in the above-incorporated patent applications.
- each peer 18could also include a local or global routing table for indicating the locations of data components stored within the sensor network, and an update system for updating the local and/or global routing tables as data components are copied/relocated among the peers (e.g., in the event of potential failure of a peer).
- sensor collector intelligent gateways 14each include: (1) business process rules 40 ; (2) sensor network management interface 42 ; (3) message queue 44 ; (4) security stack 46 ; and (5) network transport layer 48 .
- Business process rules 40are used to guide decision-making and the general functionality of sensor collector intelligent gateways 14 (e.g., selecting a peer as a super peer).
- Sensor network management interface 42is the interface or communication channel between sensor collector intelligent gateways 14 and the sensor networks.
- Message queue 44is a queue for storing messages and communications received from and/or communicated to the sensor networks and enterprise gateways 16 .
- Security stack 46provides security for sensor collector intelligent gateways 14
- network transport layer 48allows for the passing/hopping of data components.
- Enterprise gateways 16each include: (1) security layer 50 ; (2) message HUB 52 ; (3) data store 54 ; (4) management service 56 ; (5) enterprise grid service 58 ; and (6) business process rules 60 .
- Security layer 50provides security for enterprise gateways 14 .
- Message HUB 52handles all communications received on enterprise gateways 52 .
- Operational data store 54provides storage for data components.
- Management service 56provides for the management of enterprise gateways 16 .
- Enterprise grid serviceprovides 58 for the management of ecosystem 10 as a whole.
- Business process rules 60are used to guide decision-making and the general functionality of enterprise gateway 16 (e.g., recommending a course of action in response to an event within the sensor network).
- peers 18 , sensor collector intelligent gateways 14 and enterprise gateways 16are computerized devices that will also include computerized components such as a processing unit, memory, a bus, input/output (I/O) interfaces, external devices/resources and a storage unit.
- the processing unitmay comprise a single processing unit, or be distributed across one or more processing units in one or more locations, e.g., on a client and server.
- Memorymay comprise any known type of data storage and/or transmission media, including magnetic media, optical media, random access memory (RAM), read-only memory (ROM), a data cache, a data object, etc.
- memorymay reside at a single physical location, comprising one or more types of data storage, or be distributed across a plurality of physical systems in various forms.
- the I/O interfacesmay comprise any system for exchanging information to/from an external source.
- the external devices/resourcesmay comprise any known type of external device, including speakers, a CRT, LED screen, hand-held device, keyboard, mouse, voice recognition system, speech output system, printer, monitor/display, facsimile, pager, etc.
- the buswould provide a communication link between each of the components in the nodes and likewise may comprise any known type of transmission link, including electrical, optical, wireless, etc.
- the storage unitcan be any system (e.g., a database) capable of providing storage for data components.
- the storage unitcould include one or more storage devices, such as a magnetic disk drive or an optical disk drive.
- the storage unitincludes data distributed across, for example, a local area network (LAN), wide area network (WAN) or a storage area network (SAN) (not shown).
- LANlocal area network
- WANwide area network
- SANstorage area network
- the process of deploying and allocating ecosystem 10will now be further described in conjunction with FIGS. 4-7 .
- the sensor peers and super peers within sensor networkwill first broadcast peer information (e.g., via broadcast layer 22 of FIG. 3 ) to one another. Such information includes their roles, availabilities, locations and functionalities. Upon such communications “bonding” takes place and sensor network 18 is formed.
- the peercan become a member of sensor network 12 and can stop broadcasting the JOIN.
- the sensor network 12is comprised of the Endpoint and the Endpoint's neighboring peers.
- Neighboring peersmay for example be defined as a set of nodes that can communicate with each other.
- the peercan switch to a GATHER broadcast to gather its own neighbors.
- the cyclerepeats itself, with each peer broadcasting a JOIN getting picked up as a neighbor of another nearby gathering peer (or endpoint).
- endpointgathering peer
- all peerswill become another peer's neighbor.
- a peercan collect data and send it to a neighbor. The neighbor will pass the data to its neighbor, etc., until the data makes its way back to the Endpoint.
- Network redundancyis established by allowing each peer to have many neighbors within the network in a manner described below.
- the entire sensor network 12is established.
- a peercan determine that the sensor network 12 is formed.
- Each peerwill still send out GATHERs, but at a much lower frequency, since the only new peers that would join are nodes that for example replace broken peers.
- super peerswill be appointed (e.g., by sensor collector intelligent gateways 14 ) from among the peers.
- table 60is shown in greater detail.
- table 60includes an identifier (e.g., a MAC identifier), a role, a resource availability and a relative location within sensor network 10 .
- sensor collector intelligent gateways 14will broadcast gateway information similar to the peer information to one another, and bond together.
- Sensor collector intelligent gateways 14will also create a table 62 of gateway information that is shown in FIG. 4 .
- table 62identifies an identifier, a role, a resource availability and a relative location within the ecosystem.
- the super peers within sensor network 12will communicate with sensor collector intelligent gateways 14 .
- the peer and gateway informatione.g., tables 60 and 62
- sensor collector intelligent gateways 14can query the super peers (or be “pushed”) to obtain the peer information.
- the goalis for sensor collector intelligent gateways 14 to create and manage a table 64 of network information as depicted in FIG. 6 .
- table 64is similar to table 60 of peer information.
- table 64further indicates a state of each peer in network 12 .
- sensor collector intelligent gateways 14can also establish communication with other remote sensor collector intelligent gateways 14 , while enterprise gateways 16 establish communication with sensor collector intelligent gateways 14 .
- enterprise gateways 16will obtain the gateway information and the peer information therefrom. Using this information, enterprise gateways 16 will create and manage a table 66 or dashboard view of ecosystem information. As shown, this table includes an identifier, state, role and location for sensor collector intelligent gateways 14 as well as the peers. Based on this information enterprise gateway 16 will also create mapped out grid 68 of where each component is located.
- a data structure 70can be stored with redundancy within ecosystem 10 .
- data structure 70is stored on enterprise gateways 16 , sensor collector enterprise gateways 14 and within sensor network 12 .
- the entire data structurecan be stored on the super peers SP/R 1 and SP/R 2 , while components 72 A-D can be stored on the sensor peers SP 1 -SP 4 .
- the teachings in the above-incorporated patent applicationscan be followed. For example, a certain communication path could be followed through sensor peers SP 1 -SP 4 storing data components 72 A-D along the way.
- a “pre-active heartbeat algorithm,”could be used to rank the possible paths though sensor peers SP 1 -SP 4 .
- a local routing table and/or global routing tablecould be created and managed.
- a local routing tablecould exist on each sensor peer SP 1 -SP 2 to identify the data components that are stored on neighboring sensor peers.
- a single global routing tablecould be provided for the entire sensor network 12 that identifies the locations of all data components 72 A-D within sensor network 12 .
- an update system within each sensor peer SP 1 -SP 4could update the routing table(s) accordingly.
- the present inventionprovides for backup/resiliency in any number of situations. To this extent, a few exemplary backup scenarios will be described in this section. It should be appreciated, however, that the backup scenarios discussed below are not intended to be exhaustive and are not being described in any particular order.
- sensor collector intelligent gateways 14e.g., by sensor network management interface of FIG. 3
- This informationis communicated to enterprise gateway 16 , which will also update its ecosystem table ( 66 of FIG. 7 ) to reflect the changed states of sensor peers SP 2 and SP 4 .
- the data components 72 B-C stored thereincan be relocated to neighboring sensor peers SP 1 and/or SP 4 . This can be accomplished based on a resource availability and/or capability thereof to handle data components 72 B-C.
- sensor network 12 Ahas been compromised or shut down.
- Sensor collector intelligent gateways 14will detect the failure event and relocate data structure 70 to another sensor network 1 2 B.
- super peers of sensor network 12 Bwill detect the new data structure 70 , and distribute the same according to the resources and abilities of the sensor peers.
- Sensor collector intelligent gateways 14will also update its table(s) of gateway information to make note that sensor network 12 A is not longer functional.
- communicationwill be held with enterprise gateway 16 , which will update its table of ecosystem information as well.
- a scenariois depicted whereby a hazard is detected within sensor network 12 .
- a fireis detected near super peer SP/R 1 .
- super peer SP/R 1will broadcast an alert to the surrounding sensor peers and super peer SP/R 2 as well as to sensor collector intelligent gateways 14 .
- Each sensor collector intelligent gateway 14will then consult its table of gateway information to determine where the fire has occurred.
- Sensor collector intelligent gateways 14will then send specific information to enterprise gateway 16 , which will determine an action to be taken (e.g., via business process rules), and communicate the same back to sensor network 12 via sensor collector intelligent gateways 14 .
- enterprise gateway 16has determined to commence a video recording of the incident. This recommended action is passed to sensor network 12 through sensor collector intelligent gateways 14 , and the video recording is commenced.
- FIG. 13the scenario described in conjunction with FIGS. 11-12 is enhanced by the destruction of super peer SP/R 1 .
- the fire hazardhas spread and destroyed super peer SP/R 1 .
- This eventwill be detected by sensor collector intelligent gateways 14 , which will determine (e.g., using business process rules), which sensor peer SP 1 -SP 4 will replace super peer SP/R 1 .
- This determinationis generally made based on the resource requirements and proximity of the other sensor peers SP 1 -SP 4 to super peer SP/R 1 .
- sensor peer SP 3has been selected to replace super peer SP/R 1 . It should be noted that a super peer need not be disabled to cause a role switch.
- sensor collector intelligent gateways 14can initiate the switch of a sensor peer to a super peer role. Once the switch has occurred, sensor collector intelligent gateways 14 will communicate with the new super peer instead of the destroyed super peer. Sensor collector intelligent gateways 14 will also update the table of gateway information to reflect the destruction of super peer SP/R 1 and the promotion of sensor peer SP 3 . Similarly, sensor collector intelligent gateways 14 will communicate notice of the destruction and role switch to enterprise gateway 16 , which will update its table of ecosystem information accordingly.
- the present inventioncan be realized in hardware, software, a propagated signal, or any combination thereof. Any kind of computer/server system(s)—or other apparatus adapted for carrying out the methods described herein—is suited.
- a typical combination of hardware and softwarecould be a general purpose computer system with a computer program that, when loaded and executed, carries out the respective methods described herein.
- a specific use computercontaining specialized hardware for carrying out one or more of the functional tasks of the invention, could be utilized.
- the present inventioncan also be embedded in a computer program product or a propagated signal, which comprises all the respective features enabling the implementation of the methods described herein, and which—when loaded in a computer system—is able to carry out these methods.
- Computer program, propagated signal, software program, program, or softwarein the present context mean any expression, in any language, code or notation, of a set of instructions intended to cause a system having an information processing capability to perform a particular function either directly or after either or both of the following: (a) conversion to another language, code or notation; and/or (b) reproduction in a different material form.
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Abstract
Description
- This Application is related in some aspects to commonly assigned U.S. patent application Ser. No. 10/856,684, entitled “Wireless Sensor Network,” filed May 28, 2004 and hereby incorporated by reference. This Application is also related in some aspects to commonly assigned U.S. patent application Ser. No. 10/946,714, entitled “Method, System and Program Product for Copying Data Between Nodes of a Wireless Sensor Network,” filed Sep. 22, 2004 and also incorporated by reference.
- The present invention generally relates to an autonomic sensor network ecosystem. Specifically, the present invention relates to a method, system and program product for deploying, allocating and providing backup for the autonomic sensor network ecosystem.
- In traditional computer-based storage systems, data is typically stored in sophisticated systems with layers of protections, backups systems, and encryption algorithms. However, today, there exist numerous environmental-based public safety hazards, such as brush fires, bio-chemical accidents or attacks, etc. Obtaining real-time and accurate information about such a hazard can be critical to containing the hazard and minimizing damage. In existing storage systems, data can still be lost as a consequence of technical failures, viruses, or unpredictable disasters. A current focus is to build a static structure that contains the data and its backup. Unfortunately, this does not help in a globally distributed networked environment. Moreover, conventional disaster recovery systems fail to protect the data from outside attacks (e.g. hackers) and natural disasters.
- U.S. patent application Ser. No. 10/856,684 (cross-referenced and incorporated above), takes a step towards avoiding data loss by providing a wireless sensor network in which a plurality of peers/motes/nodes are interconnected (e.g., on a peer-to-peer basis). To store a data set within the network, the data set is broken up into data components, which are then stored among the nodes. Storage of the data components typically occurs by following a routing path through the network according to a routing table or the like. As the path is followed, the data components are stored among the nodes. Further, each node in the network is provided with a sensor for sensing environmental factors that could impact the capability of a node to transmit or store the data components. Other examples of sensor based detection systems are described in U.S. Pat. No. 6,169,476 B1, and U.S. Pat. No 6,293,861 B1, both of which are herein incorporated by reference.
- Under U.S. patent application Ser. No. 10/946,714 (cross-referenced and incorporated above), a sensor network comprising a plurality of peer-to-peer nodes is provided. Each node in the network includes, among other things, a sensor for detecting environmental factors. When a potential failure is detected within a node, the node will query its neighboring nodes to determine whether they have the capability to store any data component(s) currently stored within the potentially failing node. Based on the querying, the data component(s) in the potentially failing node are copied to one or more of the neighboring nodes. Thereafter, details of the copying can be broadcast to other nodes in the network, and any routing tables that identify the locations of data components stored throughout the sensor network can be updated.
- As advanced as this storage technology has become, the rise of wireless technologies and peer-to-peer delivery systems is forcing the Information Technology (IT) industry to decentralize infrastructure and its applications. Thus, the current static structure that is comprised of the traditional network, data, and applications will not help in a globally distributed sensor network environment. Even locating the hardware that supports the structure in one or multiple distributed sites will not help. Therefore, conventional IT concepts are changing to adopt a new model. Specifically, a need still exists for a data storage technology that is resilient, redundant and optimized in multi-network environment. To this extent, a need exists for a method, system and program product for deploying, allocating and providing backup for an autonomic sensor network ecosystem.
- In general, the present invention provides an autonomic sensor network in a multi-network environment. Specifically, the present invention provides a method, system and program product for deploying, allocating and providing backup for an autonomic sensor network ecosystem. Under the present invention, the autonomic sensor network ecosystem includes: (1) a set (e.g., one or more) of sensor networks for storing data components; (2) a set of sensor collector information gateways in communication with the sensor networks; and (3) a set of enterprise gateways and storage hubs (hereinafter referred to as enterprise gateways) in communication with the sensor collector intelligent gateways. Each sensor network includes a set of sensor peers and at least one super peer. The super peer manages the sensor network and communicates with the set of sensor collector information gateways. The autonomic sensor network ecosystem of the present invention is deployed and allocated in such a manner that backup and resiliency is provided.
- A first aspect of the present invention provides a sensor network, comprising: a set of sensor peers and at least one super peer for storing data components; and wherein the set of peers and the at least one super peer each include a system for bonding to form the sensor network, and a system for broadcasting their identities, roles, resource availabilities and locations to each other, and wherein the at least one super peer creates and maintains a table of peer information that indicates the identities, the roles, the resource availabilities and the locations of the set of peers and the at least one super peer.
- A second aspect of the present invention provides an autonomic sensor network ecosystem, comprising: a sensor network having a set of sensor peers and at least one super peer for storing data components, wherein the at least one super peer creates and maintains a table of peer information that indicates identities, roles, resource availabilities, and locations of the set of peers and the at least one super peer; a set of sensor collector intelligent gateways in communication with the at least one super peer, wherein the set of sensor collector intelligent gateways creates and maintains a table of gateway information that indicates identities, roles, resource availabilities and locations of the set of sensor collector intelligent gateways, and wherein the set of sensor collector intelligent gateways receives the table of peer information from the at least one super peer; and a set of enterprise gateways in communication with the set of sensor collector intelligent gateways, wherein the set of enterprise gateways utilizes the table of peer information and the table of gateway information to create and maintain a table of ecosystem information.
- A third aspect of the present invention provides method for deploying and allocating an autonomic sensor network ecosystem, comprising: providing a sensor network having a set of sensor peers and at least one super peer for storing data components, wherein the at least one support peer creates and maintains a table of peer information that indicates identities, roles, resource availabilities, and locations of the set of peers and the at least one super peer; providing a set of sensor collector intelligent gateways in communication with the at least one super peer, wherein the set of sensor collector intelligent gateways creates and maintains a table of gateway information that indicates identities, roles, resource availabilities and locations of the set of sensor collector intelligent gateways, and wherein the set of sensor collector intelligent gateways receives the table of peer information from the at least one super peer; and providing a set of a set of enterprise gateways in communication with the set of sensor collector intelligent gateways, wherein the set of enterprise gateways utilizes the table of peer information and the table of gateway information to create and maintain a table of ecosystem information.
- A fourth aspect of the present invention provides a method for providing backup for an autonomic sensor network ecosystem, comprising: detecting a hazard within a sensor network of the autonomic sensor network ecosystem, wherein the sensor network includes a set of sensor peers and at least one super peer for storing data components; determining, on a set of sensor collector intelligent gateways, a location of the hazard based a table of information that indicates identities, resource availabilities, and locations of the set of peers and the at least one super peer; and communicating details of the hazard from the set of sensor collector intelligent gateways to a set of enterprise gateways that are in communication with the sensor collector intelligent gateways within the autonomic sensor network ecosystem.
- A fifth aspect of the present invention provides a method for providing backup for an autonomic sensor network ecosystem, comprising: detecting a failure of a super peer within a sensor network of the autonomic sensor network ecosystem, wherein the sensor network includes a set of sensor peers and at least one super peer for storing data components; selecting, on a set of sensor collector intelligent gateways in communication with the at least one super peer, one of the set of sensors peers to replace the failing super peer; and communicating information corresponding to the failure and the selecting from the set of sensor collector intelligent gateways to a set of enterprise gateways that are in communication with the sensor collector intelligent gateways within the autonomic sensor network ecosystem.
- A sixth aspect of the present invention provides a method for providing backup for an autonomic sensor network ecosystem, comprising: providing the autonomic sensor network ecosystem, wherein the autonomic sensor network ecosystem includes a sensor network having a set of sensor peers and at least one super peer for storing data components, a set of sensor collector intelligent gateways in communication with the sensor network and a set of enterprise gateways in communication with the set of sensor collector intelligent gateways; storing a set of data components within the sensor network, the sensor collector intelligent gateways and the enterprise gateway; maintaining a table of locations of the data components within the sensor network; detecting a failure within the sensor network; relocating data components stored within the sensor network based on the failure; and communicating information corresponding to the relocating to the set of sensor collector intelligent gateways and the set of enterprise gateways, and updating the table of locations based on the relocating.
- A seventh aspect of the present invention provides a method for deploying and allocating an autonomic sensor network ecosystem, comprising: providing a computer infrastructure being operable to: collect information on at least one super peer from a set of sensor peers within a sensor network of the autonomic sensor network ecosystem; create and maintaining a table of peer information that indicates identities, roles, resource availabilities and locations of the set of peers and the at least one super peer; relay the table of peer information from the at least one super peer to a set of sensor collector intelligent gateways; and sense environment factors within the sensor network.
- An eight aspect of the present invention provides a program product stored on a recordable medium for deploying and allocating an autonomic sensor network ecosystem, which when executed, comprises: program code for collecting information on at least one super peer from a set of sensor peers within a sensor network of the autonomic sensor network ecosystem; program code for creating and maintaining a table of peer information that indicates identities, roles, resource availabilities and locations of the set of peers and the at least one super peer; program code for relaying the table of peer information from the at least one super peer to a set of sensor collector intelligent gateways; and program code for sensing environment factors within the sensor network.
- A ninth aspect of the present invention provides computer software embodied in a propagated signal for deploying and allocating an autonomic sensor network ecosystem, the computer software comprising instructions to cause a computer system to perform the following functions: collect information on at least one super peer from a set of sensor peers within a sensor network of the autonomic sensor network ecosystem; create and maintain a table of peer information that indicates identities, roles, resource availabilities and locations of the set of peers and the at least one super peer; relay the information from the at least one super peer to a set of sensor collector intelligent gateways; and sense environment factors within the sensor network.
- Therefore, the present invention provides a method, system and program product for deploying, allocating and providing backup for an autonomic sensor network ecosystem.
- These and other features of this invention will be more readily understood from the following detailed description of the various aspects of the invention taken in conjunction with the accompanying drawings in which:
FIG. 1 depicts an autonomic sensor network ecosystem according to the present invention.FIG. 2 demonstrates that the autonomic sensor network ecosystem ofFIG. 1 can be a multi-network environment.FIG. 3 depicts a more detailed system-level diagram of the autonomic sensor network ecosystem ofFIG. 1 .FIG. 4 depicts a first diagram of the deployment and allocation of the autonomic sensor network ecosystem ofFIG. 1 .FIG. 5 depicts an illustrative table of peer information according to the present invention.FIG. 6 depicts a second diagram of the deployment and allocation of the autonomic sensor network ecosystem ofFIG. 1 .FIG. 7 depicts a third diagram of the deployment and allocation of the autonomic sensor network ecosystem ofFIG. 1 .FIG. 8 depicts the storage of data components within the autonomic sensor network ecosystem ofFIG. 1 .FIG. 9 depicts a diagram of a first illustrative backup scenario for the autonomic sensor network ecosystem ofFIG. 1 .FIG. 10 depicts a diagram of a second illustrative backup scenario for the autonomic sensor network ecosystem ofFIG. 1 .FIG. 11 depicts a first diagram of a third illustrative backup scenario for the autonomic sensor network ecosystem ofFIG. 1 .FIG. 12 depicts a second diagram of the illustrative third backup scenario for the autonomic sensor network ecosystem ofFIG. 1 .FIG. 13 depicts a diagram of a fourth illustrative backup scenario for the autonomic sensor network ecosystem ofFIG. 1 .- The drawings are not necessarily to scale. The drawings are merely schematic representations, not intended to portray specific parameters of the invention. The drawings are intended to depict only typical embodiments of the invention, and therefore should not be considered as limiting the scope of the invention. In the drawings, like numbering represents like elements.
- For convenience purposes, the Best Mode for Carrying Out the Invention will have the following sub-sections:
- I. General Description
- II. Deployment and Allocation
- III. Illustrative Backup Scenarios
- I. General Description
- As indicated above, the present invention provides an autonomic sensor network in a multi-network environment. Specifically, the present invention provides a method, system and program product for deploying, allocating and providing backup for an autonomic sensor network ecosystem. Under the present invention, the autonomic sensor network ecosystem includes: (1) a set (e.g., one or more) of sensor/peer networks for storing data components; (2) a set of sensor collector information gateways in communication with the sensor networks; and (3) a set of enterprise gateways and storage hubs (hereinafter referred to as enterprise gateways) in communication with the sensor collector information gateways. Each sensor network includes a set of sensor peers and at least one super peer. The super peer manages the sensor network and communicates with the set of sensor collector information gateways. The autonomic sensor network ecosystem of the present invention is deployed and allocated in such a manner that backup and resiliency is provided.
- Referring now to
FIG. 1 , an autonomic sensor network ecosystem (ecosystem)10 according to the present invention is shown. As depicted,ecosystem 10 includes sensor/peer network 12, sensor collectorintelligent gateways 14 and enterprise gateway and storage hub (enterprise gateway16) having a grid request broker. Communication betweensensor network 12, sensor collectorintelligent gateways 14 andenterprise gateway 16 can occur via a hardwired connection or a wireless connection. To this extent, communication typically occurs over a network such as the Internet, a local area network (LAN), a wide area network (WAN), a virtual private network (VPN), etc. Conventional network connectivity, such as Token Ring, Ethernet, WiFi or other conventional communications standards could be used. Still yet, connectivity could be provided by conventional IP-based protocol. In this instance, an Internet service provider could be used to establish interconnectivity. - As further shown in
FIG. 1 ,sensor network 12 generally includes a set ofpeers 18 comprised of a set of sensor peers (e.g., SP1-SP4) and a set of super peers (SP/R1 and SP/R2). As will be further described below, whenecosystem 10 is deployed and allocated, a data structure can be broken down into components and stored within the sensor peers ofsensor network 12. Before this is described in detail, however, the deployment and allocation ofecosystem 10 will be fully described.Sensor network 12 may be implemented in an ad hoc or mesh network that comprises either a full mesh or partial mesh topology. In a full mesh topology, each peer18 is in communication with each other peer. In a partial mesh topology, each node is not necessarily in communication with the other nodes. While the invention is typically implemented in a wireless environment, it is recognized that some or all of the communications could be implemented using a wired technology. - In general, peers18 are configured to broadcast information (e.g., state or status information) to one another. Moreover, as will be further described below, peers18 are configured to bond together (e.g., via JOIN and GATHER requests) to form
sensor network 12. Super peers SP/R1 and SP/R2 are configured to managesensor network 12, and to communicate with and/or relay information to sensorcollector information gateway 14. Such communication/relaying can occur using push or pull (e.g., query) techniques. In any event, sensorcollector information gateway 14 is itself configured to communicate withenterprise gateway 16. - As mentioned above,
ecosystem 10 can be a multi-network environment. An example of this is shown inFIG. 2 . Under the present invention,ecosystem 10 can include any quantity ofsensor networks 12, sensorcollector information gateways 14 andenterprise gateways 16. This provides optimal redundancy/resiliency in the event of failure of one or more the components. - Referring now to
FIG. 3 , a more detailed stack/layer diagram ofecosystem 10 is shown. As shown, each peer18 includes the following layers/systems/services: (1) awareness, discovery andbroadcast 22; (2) request andevent 24; (3) application and data26; (4) security stack credentials and encryption28; (5)management 30; (6)network transport 32; (7) power management34; (8)sensor 36; and (9) super peer/relay 38. - In general, awareness, discovery and
broadcast system 22 allowspeers 18 to communicate or exchange information with one another, and bond together to form a network. As discussed in the above cross-referenced patent applications, this process can include JOIN and GATHER and requests being exchanged. Request andevent services 24 provide for detection and administration of events within the sensor network. Application and data service26 provides for the storage of data components within the peers. To this extent, application and data service26 store and relocate/copy data components as described din the above-incorporated patent applications. Security, stack, credentials and encryption key layer28 provide the necessary security for the peers. Specifically, since data components will be stored therein, security is provided. Management service provides30 for the configuring and administration of peersNetwork transport layer 32 includes a passive layer and an active layer. The passive layer is used for passing or “hopping” data from one peer to another. The active layer is utilized for communicating data gathered or generated by the peer itself. Power management layer34 may comprise an energy supply such as a solar cell.Sensor layer 36 is for sensing environmental changes (e.g., vibration, wind, chemicals and temperature) and may comprise any type of sensor or sensors that measure some environmental stimuli, including physical, chemical, or biological changes. To this extent,sensor layer 36 may collect, process and store sensed data. - As further shown, each peer18 includes super peer/relay services38. Under the present invention each peer is capable of becoming a super peer within the sensor network. The general role of the super peers is to gather information from the other peers, maintain a table of such peer information, and relay/communicate with sensor
collector information gateways 14. In the event a super peer fails, another peer within the sensor network can be “promoted” to super peer status. - It should be understood that each peer18 could include other systems/layers/services not depicted herein. Such systems/layers/services are shown and described in the above-incorporated patent applications. For example, each peer18 could also include a local or global routing table for indicating the locations of data components stored within the sensor network, and an update system for updating the local and/or global routing tables as data components are copied/relocated among the peers (e.g., in the event of potential failure of a peer).
- As further shown in
FIG. 3 , sensor collectorintelligent gateways 14 each include: (1) business process rules40; (2) sensor network management interface42; (3)message queue 44; (4)security stack 46; and (5)network transport layer 48. Business process rules40 are used to guide decision-making and the general functionality of sensor collector intelligent gateways14 (e.g., selecting a peer as a super peer). Sensor network management interface42 is the interface or communication channel between sensor collectorintelligent gateways 14 and the sensor networks.Message queue 44 is a queue for storing messages and communications received from and/or communicated to the sensor networks andenterprise gateways 16.Security stack 46 provides security for sensor collectorintelligent gateways 14, whilenetwork transport layer 48 allows for the passing/hopping of data components. Enterprise gateways 16 each include: (1)security layer 50; (2)message HUB 52; (3)data store 54; (4)management service 56; (5)enterprise grid service 58; and (6) business process rules60.Security layer 50 provides security forenterprise gateways 14.Message HUB 52 handles all communications received onenterprise gateways 52. As shown inFIG. 2 , asingle enterprise gateway 16 could hold communication with multiple sensor collectorintelligent gateways 14.Message HUB 52 helps to track all such communications.Operational data store 54 provides storage for data components.Management service 56 provides for the management ofenterprise gateways 16. Enterprise grid service provides58 for the management ofecosystem 10 as a whole. Business process rules60 are used to guide decision-making and the general functionality of enterprise gateway16 (e.g., recommending a course of action in response to an event within the sensor network).- It should be appreciated that although not shown, peers18, sensor collector
intelligent gateways 14 andenterprise gateways 16 are computerized devices that will also include computerized components such as a processing unit, memory, a bus, input/output (I/O) interfaces, external devices/resources and a storage unit. The processing unit may comprise a single processing unit, or be distributed across one or more processing units in one or more locations, e.g., on a client and server. Memory may comprise any known type of data storage and/or transmission media, including magnetic media, optical media, random access memory (RAM), read-only memory (ROM), a data cache, a data object, etc. Moreover, similar to the processing unit, memory may reside at a single physical location, comprising one or more types of data storage, or be distributed across a plurality of physical systems in various forms. - The I/O interfaces may comprise any system for exchanging information to/from an external source. The external devices/resources may comprise any known type of external device, including speakers, a CRT, LED screen, hand-held device, keyboard, mouse, voice recognition system, speech output system, printer, monitor/display, facsimile, pager, etc. The bus would provide a communication link between each of the components in the nodes and likewise may comprise any known type of transmission link, including electrical, optical, wireless, etc.
- If utilized, the storage unit can be any system (e.g., a database) capable of providing storage for data components. As such, the storage unit could include one or more storage devices, such as a magnetic disk drive or an optical disk drive. In another embodiment, the storage unit includes data distributed across, for example, a local area network (LAN), wide area network (WAN) or a storage area network (SAN) (not shown).
- II. Deployment and Allocation
- Given the above description of
ecosystem 10, the process of deploying and allocatingecosystem 10 will now be further described in conjunction withFIGS. 4-7 . Referring first toFIG. 4 , in order to formsensor network 12, the sensor peers and super peers within sensor network will first broadcast peer information (e.g., viabroadcast layer 22 ofFIG. 3 ) to one another. Such information includes their roles, availabilities, locations and functionalities. Upon such communications “bonding” takes place andsensor network 18 is formed. - In forming
sensor network 12 in this manner, the JOIN and GATHER teachings described in the above-incorporated patent applications can be followed. For example, when a peer is first powered up, its communication can be limited to a JOIN broadcast message, which essentially says, “I'd like to join a network.” Thus, whensensor network 12 is first turned on, each peer could only broadcast a JOIN, and will not receive a response until an endpoint gets involved. Endpoints are initialized with the capability of responding to JOIN broadcasts. Namely, an Endpoint will answer all JOIN broadcasts that it can detect with a GATHER response. Thus, an Endpoint recognizes JOIN broadcasts from neighboring peers, and responds with a GATHER. As soon as a peer recognizes a GATHER, the peer can become a member ofsensor network 12 and can stop broadcasting the JOIN. Thus, initially, thesensor network 12 is comprised of the Endpoint and the Endpoint's neighboring peers. Neighboring peers may for example be defined as a set of nodes that can communicate with each other. - As soon as a peer establishes itself in
sensor network 12, the peer can switch to a GATHER broadcast to gather its own neighbors. Thus, the cycle repeats itself, with each peer broadcasting a JOIN getting picked up as a neighbor of another nearby gathering peer (or endpoint). Again, whenever a peer becomes a neighbor within the network, it switches from JOIN to GATHER. Very quickly, all peers will become another peer's neighbor. As soon as a peer becomes a neighbor, it can collect data and send it to a neighbor. The neighbor will pass the data to its neighbor, etc., until the data makes its way back to the Endpoint. Network redundancy is established by allowing each peer to have many neighbors within the network in a manner described below. - After a short period, the
entire sensor network 12 is established. At some point, when a peer is no longer receiving JOIN requests, a peer can determine that thesensor network 12 is formed. Each peer will still send out GATHERs, but at a much lower frequency, since the only new peers that would join are nodes that for example replace broken peers. In formingsensor network 12, super peers will be appointed (e.g., by sensor collector intelligent gateways14) from among the peers. - In any event, once
sensor network 12 has been formed, the super peers will create and manage a table60 of the peer information. Referring toFIG. 5 , table60 is shown in greater detail. As shown, for each peer, table60 includes an identifier (e.g., a MAC identifier), a role, a resource availability and a relative location withinsensor network 10. As this process is occurring, sensor collectorintelligent gateways 14 will broadcast gateway information similar to the peer information to one another, and bond together. Sensor collectorintelligent gateways 14 will also create a table62 of gateway information that is shown inFIG. 4 . As depicted, for each sensor collectorintelligent gateway 14, table62 identifies an identifier, a role, a resource availability and a relative location within the ecosystem. - Once these first two steps are completed, the super peers within
sensor network 12 will communicate with sensor collectorintelligent gateways 14. During this communication the peer and gateway information (e.g., tables60 and62) will be exchanged. Referring toFIG. 6 , this process is further illustrated. During the communication, sensor collectorintelligent gateways 14 can query the super peers (or be “pushed”) to obtain the peer information. The goal is for sensor collectorintelligent gateways 14 to create and manage a table64 of network information as depicted inFIG. 6 . As shown, table64 is similar to table60 of peer information. However, table64 further indicates a state of each peer innetwork 12. During this stage, sensor collectorintelligent gateways 14 can also establish communication with other remote sensor collectorintelligent gateways 14, whileenterprise gateways 16 establish communication with sensor collectorintelligent gateways 14. - Referring now to
FIG. 7 , the final stages of deployment and allocation are depicted. As shown, onceenterprise gateways 16 establish communication with sensor collectorintelligent gateways 14, they will obtain the gateway information and the peer information therefrom. Using this information,enterprise gateways 16 will create and manage a table66 or dashboard view of ecosystem information. As shown, this table includes an identifier, state, role and location for sensor collectorintelligent gateways 14 as well as the peers. Based on thisinformation enterprise gateway 16 will also create mapped outgrid 68 of where each component is located. - At this point,
ecosystem 10 has been deployed and allocated. As such, it can be used to safely store data components. Referring now toFIG. 8 , this is shown in greater detail. Specifically, under the present invention, adata structure 70 can be stored with redundancy withinecosystem 10. As shown,data structure 70 is stored onenterprise gateways 16, sensorcollector enterprise gateways 14 and withinsensor network 12. In storingdata structure 70 insensor network 12, the entire data structure can be stored on the super peers SP/R1 and SP/R2, whilecomponents 72A-D can be stored on the sensor peers SP1-SP4. In breaking down and storingdata structure 70 asdata components 72A-D, the teachings in the above-incorporated patent applications can be followed. For example, a certain communication path could be followed through sensor peers SP1-SP4storing data components 72A-D along the way. A “pre-active heartbeat algorithm,” could be used to rank the possible paths though sensor peers SP1-SP4. - As
data components 72A-B are being stored, a local routing table and/or global routing table could be created and managed. A local routing table could exist on each sensor peer SP1-SP2 to identify the data components that are stored on neighboring sensor peers. A single global routing table could be provided for theentire sensor network 12 that identifies the locations of alldata components 72A-D withinsensor network 12. As thedata components 72A-D are copied/relocated due to potential failures of sensor peers SP1-SP4, an update system within each sensor peer SP1-SP4 could update the routing table(s) accordingly. - III. Illustrative Backup Scenarios
- In providing
ecosystem 10 as described herein, the present invention provides for backup/resiliency in any number of situations. To this extent, a few exemplary backup scenarios will be described in this section. It should be appreciated, however, that the backup scenarios discussed below are not intended to be exhaustive and are not being described in any particular order. - A. Failure of a Sensor Peer
- Turning now to
FIG. 9 , the failure of one or more sensor peers will be discussed. In this example, it is assumed that sensor peers SP2 and SP4 have been compromised or are no longer functioning. Such an event will be detected by sensor collector intelligent gateways14 (e.g., by sensor network management interface ofFIG. 3 ), which will update the table of network information (64 ofFIG. 6 ) to reflect the changed states of sensor peers SP2 and SP4. This information is communicated toenterprise gateway 16, which will also update its ecosystem table (66 ofFIG. 7 ) to reflect the changed states of sensor peers SP2 and SP4. Since sensor peers SP2 and SP4 have been compromised, thedata components 72B-C stored therein can be relocated to neighboring sensor peers SP1 and/or SP4. This can be accomplished based on a resource availability and/or capability thereof to handledata components 72B-C. - B. Failure of a Sensor Network
- Referring now to
FIG. 10 , the failure of anentire sensor network 12A is shown. In this example,sensor network 12A has been compromised or shut down. Sensor collectorintelligent gateways 14 will detect the failure event and relocatedata structure 70 to anothersensor network 12B. Upon receipt, super peers ofsensor network 12B will detect thenew data structure 70, and distribute the same according to the resources and abilities of the sensor peers. Sensor collectorintelligent gateways 14 will also update its table(s) of gateway information to make note thatsensor network 12A is not longer functional. At the same time, communication will be held withenterprise gateway 16, which will update its table of ecosystem information as well. - C. Hazard Detected in a Sensor Network
- Referring now to
FIGS. 11-12 , a scenario is depicted whereby a hazard is detected withinsensor network 12. In this scenario, a fire is detected near super peer SP/R1. In this event, super peer SP/R1 will broadcast an alert to the surrounding sensor peers and super peer SP/R2 as well as to sensor collectorintelligent gateways 14. Each sensor collectorintelligent gateway 14 will then consult its table of gateway information to determine where the fire has occurred. Sensor collectorintelligent gateways 14 will then send specific information toenterprise gateway 16, which will determine an action to be taken (e.g., via business process rules), and communicate the same back tosensor network 12 via sensor collectorintelligent gateways 14. - Referring to
FIG. 12 ,enterprise gateway 16 has determined to commence a video recording of the incident. This recommended action is passed tosensor network 12 through sensor collectorintelligent gateways 14, and the video recording is commenced. - D. Destruction of a Super Peer
- Referring now to
FIG. 13 , the scenario described in conjunction withFIGS. 11-12 is enhanced by the destruction of super peer SP/R1. Specifically, inFIG. 13 , the fire hazard has spread and destroyed super peer SP/R1. This event will be detected by sensor collectorintelligent gateways 14, which will determine (e.g., using business process rules), which sensor peer SP1-SP4 will replace super peer SP/R1. This determination is generally made based on the resource requirements and proximity of the other sensor peers SP1-SP4 to super peer SP/R1. As such, in this example, sensor peer SP3 has been selected to replace super peer SP/R1. It should be noted that a super peer need not be disabled to cause a role switch. Rather, sensor collectorintelligent gateways 14 can initiate the switch of a sensor peer to a super peer role. Once the switch has occurred, sensor collectorintelligent gateways 14 will communicate with the new super peer instead of the destroyed super peer. Sensor collectorintelligent gateways 14 will also update the table of gateway information to reflect the destruction of super peer SP/R1 and the promotion of sensor peer SP3. Similarly, sensor collectorintelligent gateways 14 will communicate notice of the destruction and role switch toenterprise gateway 16, which will update its table of ecosystem information accordingly. - It should be appreciated that the teachings of the present invention could be offered as a business method on a subscription or fee basis. For example,
ecosystem 10 or it individual components could be created, maintained, supported and/or deployed by a service provider that offers the functions described herein for customers. - It should also be understood that the present invention can be realized in hardware, software, a propagated signal, or any combination thereof. Any kind of computer/server system(s)—or other apparatus adapted for carrying out the methods described herein—is suited. A typical combination of hardware and software could be a general purpose computer system with a computer program that, when loaded and executed, carries out the respective methods described herein. Alternatively, a specific use computer, containing specialized hardware for carrying out one or more of the functional tasks of the invention, could be utilized. The present invention can also be embedded in a computer program product or a propagated signal, which comprises all the respective features enabling the implementation of the methods described herein, and which—when loaded in a computer system—is able to carry out these methods. Computer program, propagated signal, software program, program, or software, in the present context mean any expression, in any language, code or notation, of a set of instructions intended to cause a system having an information processing capability to perform a particular function either directly or after either or both of the following: (a) conversion to another language, code or notation; and/or (b) reproduction in a different material form.
- The foregoing description of the preferred embodiments of this invention has been presented for purposes of illustration and description. It is not intended to be exhaustive or to limit the invention to the precise form disclosed, and obviously, many modifications and variations are possible. Such modifications and variations that may be apparent to a person skilled in the art are intended to be included within the scope of this invention as defined by the accompanying claims.
Claims (36)
1. A sensor network, comprising:
a set of sensor peers and at least one super peer for storing data components; and
wherein the set of peers and the at least one super peer each include a system for bonding to form the sensor network, and a system for broadcasting their identities, roles, resource availabilities and locations to each other, and wherein the at least one super peer creates and maintains a table of peer information that indicates the identities, the roles, the resource availabilities and the locations of the set of peers and the at least one super peer.
2. The sensor network ofclaim 1 , further comprising:
a set of sensor collector intelligent gateways in communication with the at last one super peer; and
a set of enterprise gateways in communication with the set of sensor collector intelligent gateways.
3. The sensor network ofclaim 2 , wherein the set of sensor collector intelligent gateways receives the table of peer information.
4. The sensor network ofclaim 3 , wherein the table of peer information is received based on a query from the set of sensor collector intelligent gateways.
5. The sensor network ofclaim 2 , wherein the set of sensor collector intelligent gateways creates and maintains a table of gateway information, wherein the table of gateway information indicates identities, roles, resource availabilities and locations of the set of sensor collector intelligent gateways.
6. The sensor network ofclaim 5 , wherein the set of enterprise gateways creates and maintains a table of ecosystem information based on the table of peer information and the table of gateway information, and creates and maintains a grid of the ecosystem.
7. The sensor network ofclaim 6 , wherein the table of ecosystem information comprises a dashboard view of the autonomic sensor network ecosystem.
8. The sensor network ofclaim 1 , wherein the set of sensor peers and the at least one super peer maintain a table of locations of the data components within the sensor network.
9. An autonomic sensor network ecosystem, comprising:
a sensor network having a set of sensor peers and at least one super peer for storing data components, wherein the at least one super peer creates and maintains a table of peer information that indicates identities, roles, resource availabilities, and locations of the set of peers and the at least one super peer;
a set of sensor collector intelligent gateways in communication with the at least one super peer, wherein the set of sensor collector intelligent gateways creates and maintains a table of gateway information that indicates identities, roles, resource availabilities and locations of the set of sensor collector intelligent gateways, and wherein the set of sensor collector intelligent gateways receive the table of peer information from the at least one super peer; and
a set of enterprise gateways in communication with the set of sensor collector intelligent gateways, wherein the set of enterprise gateways utilizes the table of peer information and the table of gateway information to create and maintain a table of ecosystem information.
10. The autonomic sensor network ecosystem ofclaim 9 , wherein the set of peers and the at least one super peer each include a system for broadcasting to each other and for bonding together to form the sensor network.
11. The autonomic sensor network ecosystem ofclaim 9 , wherein the table of ecosystem information indicates states, the roles and the locations of the set of peers and the at least one super peer as well as an identifier corresponding to the set of sensor collector intelligent gateways.
12. The autonomic sensor network ecosystem ofclaim 11 , wherein the identifier comprise a MAC identifier.
13. The autonomic sensor network ecosystem ofclaim 9 , wherein the set of peers and the at least one super peer each include a sensor layer for detecting a potential failure within the sensor network, wherein an alert of the potential failure is communicated to the set of enterprise gateways via the sensor collector intelligent gateways, and wherein the set of enterprise gateways determines an action for the potential failure and communicate the action to the at least one super peer via the sensor collector intelligent gateways.
14. The autonomic sensor network ecosystem ofclaim 9 , wherein each of the set of sensor peers and the at least one super peer includes a sensor for sensing environmental data.
15. A method for deploying and allocating an autonomic sensor network ecosystem, comprising:
providing a sensor network having a set of sensor peers and at least one super peer for storing data components, wherein the at least one support peer creates and maintains a table of peer information that indicates identities, roles, resource availabilities, and locations of the set of peers and the at least one super peer;
providing a set of sensor collector intelligent gateways in communication with the at least one super peer, wherein the set of sensor collector intelligent gateways creates and maintains a table of gateway information that indicates identities, roles, resource availabilities and locations of the set of sensor collector intelligent gateways, and wherein the set of sensor collector intelligent gateways receives the table of peer information from the at least one super peer; and
providing a set of a set of enterprise gateways in communication with the set of sensor collector intelligent gateways, wherein the set of enterprise gateways utilizes the table of peer information and the table of gateway information to create and maintain a table of ecosystem information.
16. The method ofclaim 13 , wherein the set of peers and the at least one super peer each include a sensor layer for detecting a potential failure within the sensor network, wherein an alert of the potential failure is communicated to the set enterprise gateways via the sensor collector intelligent gateways, and wherein the set of enterprise gateways determines an action for the potential failure and communicate the action to the at least one super peer via the sensor collector intelligent gateways.
17. A method for providing backup for an autonomic sensor network ecosystem, comprising:
detecting a hazard within a sensor network of the autonomic sensor network ecosystem, wherein the sensor network includes a set of sensor peers and at least one super peer for storing data components;
determining, on a set of sensor collector intelligent gateways, a location of the hazard based a table of information that indicates identities, resource availabilities, and locations of the set of peers and the at least one super peer; and
communicating details of the hazard from the set of sensor collector intelligent gateways to a set of enterprise gateways that are in communication with the sensor collector intelligent gateways within the autonomic sensor network ecosystem.
18. The method ofclaim 17 , further comprising:
determining an action to be taken based on the details at the set of enterprise gateways; and
communicating the action from the set of enterprise gateways to the at least one super peer via the set of sensor collector intelligent gateways.
19. A method for providing backup for an autonomic sensor network ecosystem, comprising:
detecting a failure of a super peer within a sensor network of the autonomic sensor network ecosystem, wherein the sensor network includes a set of sensor peers and at least one super peer for storing data components;
selecting, on a set of sensor collector intelligent gateways in communication with the at least one super peer, one of the set of sensors peers to replace the failing super peer; and
communicating information corresponding to the failure and the selecting from the set of sensor collector intelligent gateways to a set of enterprise gateways that are in communication with the sensor collector intelligent gateways within the autonomic sensor network ecosystem.
20. The method ofclaim 19 , further comprising updating a set of information tables corresponding to the sensor network based on the selecting.
21. A method for providing backup for an autonomic sensor network ecosystem, comprising:
providing the autonomic sensor network ecosystem, wherein the autonomic sensor network ecosystem includes a sensor network having a set of sensor peers and at least one super peer for storing data components, a set of sensor collector intelligent gateways in communication with the sensor network and a set of enterprise gateways in communication with the set of sensor collector intelligent gateways;
storing a set of data components within the sensor network, the sensor collector intelligent gateways and the enterprise gateway;
maintaining a table of locations of the data components within the sensor network;
detecting a failure within the sensor network;
relocating data components stored within the sensor network based on the failure; and
communicating information corresponding to the relocating to the set of sensor collector intelligent gateways and the set of enterprise gateways, and updating the table of locations based on the relocating.
22. The method ofclaim 21 , wherein the failure comprises a failure of at least one of the set of sensor peers.
23. The method ofclaim 22 , wherein the relocating comprises relocating any data components stored in the at least one failing sensor peer to a non-failing sensor peer.
24. The method ofclaim 21 , wherein the failure comprises a failure of the sensor network, and wherein the relocating comprises relocating the data components to another sensor network that is in communication with the set of sensor collector intelligent gateways.
25. A method for deploying and allocating an autonomic sensor network ecosystem, comprising:
providing a computer infrastructure being operable to:
collect information on at least one super peer from a set of sensor peers within a sensor network of the autonomic sensor network ecosystem;
create and maintaining a table of peer information that indicates identities, roles, resource availabilities and locations of the set of peers and the at least one super peer;
relay the table of peer information from the at least one super peer to a set of sensor collector intelligent gateways; and
sense environment factors within the sensor network.
26. The method ofclaim 25 , the computer infrastructure being further operable to:
maintain and update a table of data components within the sensor network.
27. The methodclaim 25 , a computer infrastructure being further operable to:
create and maintain a table of gateway information on a set of sensor collector intelligent gateways that are in communication with the sensor network within the autonomic sensor network ecosystem;
detect events within the sensor network; and
select a new super peer when one of the at least one super peer fails.
28. The method ofclaim 27 , the computer infrastructure being operable to:
create and maintain a table of ecosystem information based on the table of peer information and the table of gateway information on a set of enterprise gateways in communication with the set of sensor collector intelligent gateways within the sensor network;
determine actions, on the set of enterprise gateways, in response to the events.
29. A program product stored on a recordable medium for deploying and allocating an autonomic sensor network ecosystem, which when executed, comprises:
program code for collecting information on at least one super peer from a set of sensor peers within a sensor network of the autonomic sensor network ecosystem;
program code for creating and maintaining a table of peer information that indicates identities, roles, resource availabilities and locations of the set of peers and the at least one super peer;
program code for relaying the table of peer information from the at least one super peer to a set of sensor collector intelligent gateways; and
program code for sensing environment factors within the sensor network.
30. The program product ofclaim 29 , further comprising program code for maintaining and updating a table of data components within the sensor network.
31. The program product ofclaim 29 , wherein the set of sensor collector intelligent gateways further comprise:
program code for communicating with a set of enterprise gateways within the autonomic sensor network ecosystem;
program code for creating and maintaining a table of gateway information;
program code for detecting events within the sensor network; and
program code for selecting a new super peer when one of the at least one super peer fails.
32. The program product ofclaim 31 , wherein the set of enterprise gateways further comprise:
program code for creating and maintaining a table of ecosystem information based on the table of peer information and the table of gateway information;
program code for determining actions in response to the events.
33. Computer software embodied in a propagated signal for deploying and allocating an autonomic sensor network ecosystem, the computer software comprising instructions to cause a computer system to perform the following functions:
collect information on at least one super peer from a set of sensor peers within a sensor network of the autonomic sensor network ecosystem;
create and maintain a table of peer information that indicates identities, roles, resource availabilities and locations of the set of peers and the at least one super peer;
relay the information from the at least one super peer to a set of sensor collector intelligent gateways; and
sense environment factors within the sensor network.
34. The computer software ofclaim 33 , wherein the instructions further cause the computer system to perform the following additional function:
maintain and update a table of data components within the sensor network.
35. The computer software ofclaim 33 , wherein the instructions further cause the computer system to perform the following additional functions:
creating and maintaining a table of gateway information on a set of sensor collector intelligent gateways that are in communication with the sensor network within the autonomic sensor network ecosystem;
detecting events within the sensor network; and
selecting a new super peer when one of the at least one super peer fails.
36. The computer software ofclaim 35 , wherein the instructions further cause the computer system to perform the following additional functions:
create and maintain a table of ecosystem information based on the table of peer information and the table of gateway information, on a set of enterprise gateways in communication with the set of sensor collector intelligent gateways; and
determine actions in response to the events.
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Also Published As
| Publication number | Publication date |
|---|---|
| US20140229759A1 (en) | 2014-08-14 |
| US9552262B2 (en) | 2017-01-24 |
| WO2006045793A1 (en) | 2006-05-04 |
| CN101048985B (en) | 2012-12-05 |
| CN101048985A (en) | 2007-10-03 |
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