Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific realApplying mode, the present invention is described in further detail.
It is the important milestone of network Development depending on networking, is a real-time network, can be realized HD video real-time Transmission,Push numerous Internet applications to HD video, high definition is face-to-face.
Real-time high-definition video switching technology is used depending on networking, it can be such as high in a network platform by required serviceClear video conference, Intellectualized monitoring analysis, emergency command, digital broadcast television, delay TV, the Web-based instruction, shows video monitoringField live streaming, VOD program request, TV Mail, individual character records (PVR), Intranet (manages) channel by oneself, intelligent video Broadcast Control, information publicationAll be incorporated into a system platform etc. services such as tens of kinds of videos, voice, picture, text, communication, data, by TV orComputer realizes that high-definition quality video plays.
Embodiment in order to enable those skilled in the art to better understand the present invention is introduced to depending on networking below:
Depending on networking, applied portion of techniques is as described below:
Network technology (Network Technology)
Traditional ethernet (Ethernet) is improved depending on the network technology innovation networked, with potential huge on networkVideo flow.(Circuit is exchanged different from simple network packet packet switch (Packet Switching) or lattice networkSwitching), Streaming demand is met using Packet Switching depending on networking technology.Has grouping depending on networking technologyFlexible, the simple and low price of exchange, is provided simultaneously with the quality and safety assurance of circuit switching, it is virtually electric to realize the whole network switch typeThe seamless connection of road and data format.
Switching technology (Switching Technology)
Two advantages of asynchronous and packet switch that Ethernet is used depending on networking eliminate Ethernet under the premise of complete compatible and lackIt falls into, has the end-to-end seamless connection of the whole network, direct user terminal, directly carrying IP data packet.User data is in network-wide basisIt is not required to any format conversion.It is the more advanced form of Ethernet depending on networking, is a real-time exchange platform, can be realized at present mutuallyThe whole network large-scale high-definition realtime video transmission that networking cannot achieve pushes numerous network video applications to high Qinghua, unitizes.
Server technology (Server Technology)
It is different from traditional server, its Streaming Media depending on the server technology in networking and unified video platformTransmission be built upon it is connection-oriented on the basis of, data-handling capacity is unrelated with flow, communication time, single network layer energyEnough transmitted comprising signaling and data.For voice and video business, handled depending on networking and unified video platform Streaming MediaComplexity many simpler than data processing, efficiency substantially increase hundred times or more than traditional server.
Reservoir technology (Storage Technology)
The ultrahigh speed reservoir technology of unified video platform in order to adapt to the media content of vast capacity and super-flow andUsing state-of-the-art real time operating system, the programme information in server instruction is mapped to specific hard drive space, mediaContent is no longer pass through server, and moment is directly delivered to user terminal, and user waits typical time less than 0.2 second.It optimizesSector distribution greatly reduces the mechanical movement of hard disc magnetic head tracking, and resource consumption only accounts for the 20% of the internet ad eundem IP, butThe concurrent flow greater than 3 times of traditional disk array is generated, overall efficiency promotes 10 times or more.
Network security technology (Network Security Technology)
Depending on the structural design networked by servicing independent licence system, equipment and the modes such as user data is completely isolated every timeThe network security problem that puzzlement internet has thoroughly been eradicated from structure, does not need antivirus applet, firewall generally, has prevented blackThe attack of visitor and virus, structural carefree secure network is provided for user.
It services innovative technology (Service Innovation Technology)
Business and transmission are fused together by unified video platform, whether single user, private user or a netThe sum total of network is all only primary automatic connection.User terminal, set-top box or PC are attached directly to unified video platform, obtain richThe multimedia video service of rich colorful various forms.Unified video platform is traditional to substitute with table schema using " menu type "Complicated applications programming, considerably less code, which can be used, can be realized complicated application, realize the new business innovation of " endless ".
Networking depending on networking is as described below:
It is a kind of central controlled network structure depending on networking, which can be Tree Network, Star network, ring network etc. classType, but centralized control node is needed to control whole network in network on this basis.
As shown in Figure 1, being divided into access net and Metropolitan Area Network (MAN) two parts depending on networking.
The equipment of access mesh portions can be mainly divided into 3 classes: node server, access switch, terminal (including various machinesTop box, encoding board, memory etc.).Node server is connected with access switch, and access switch can be with multiple terminal phasesEven, and it can connect Ethernet.
Wherein, node server is the node that centralized control functions are played in access net, can control access switch and terminal.Node server can directly be connected with access switch, can also directly be connected with terminal.
Similar, the equipment of metropolitan area mesh portions can also be divided into 3 classes: metropolitan area server, node switch, node serveDevice.Metropolitan area server is connected with node switch, and node switch can be connected with multiple node servers.
Wherein, node server is the node server for accessing mesh portions, i.e. node server had both belonged to access wet endPoint, and belong to metropolitan area mesh portions.
Metropolitan area server is the node that centralized control functions are played in Metropolitan Area Network (MAN), can control node switch and node serveDevice.Metropolitan area server can be directly connected to node switch, can also be directly connected to node server.
It can be seen that be entirely a kind of central controlled network structure of layering depending on networking network, and node server and metropolitan areaThe network controlled under server can be the various structures such as tree-shaped, star-like, cyclic annular.
Visually claim, access mesh portions can form unified video platform (part in virtual coil), and multiple unified videos are flatPlatform can form view networking;Each unified video platform can be interconnected by metropolitan area and wide area depending on networking.
Classify depending on networked devices
1.1 embodiment of the present invention can be mainly divided into 3 classes: server depending on the equipment in networking, interchanger (including etherNet gateway), terminal (including various set-top boxes, encoding board, memory etc.).Depending on networking can be divided on the whole Metropolitan Area Network (MAN) (orNational net, World Wide Web etc.) and access net.
1.2 equipment for wherein accessing mesh portions can be mainly divided into 3 classes: node server, access switch (including etherNet gateway), terminal (including various set-top boxes, encoding board, memory etc.).
The specific hardware structure of each access network equipment are as follows:
Node server:
As shown in Fig. 2, mainly including Network Interface Module 201, switching engine module 202, CPU module 203, disk arrayModule 204;
Wherein, Network Interface Module 201, the Bao Jun that CPU module 203, disk array module 204 are come in enter switching engineModule 202;Switching engine module 202 look into the operation of address table 205 to the packet come in, to obtain the navigation information of packet;And the packet is stored according to the navigation information of packet the queue of corresponding pack buffer 206;If the queue of pack buffer 206 is closeIt is full, then it abandons;All pack buffer queues of 202 poll of switching engine mould, are forwarded: 1) port if meeting the following conditionsIt is less than to send caching;2) the queue package counting facility is greater than zero.Disk array module 204 mainly realizes the control to hard disk, includingThe operation such as initialization, read-write to hard disk;CPU module 203 is mainly responsible between access switch, terminal (not shown)Protocol processes, to address table 205 (including descending protocol packet address table, uplink protocol package address table, data packet addressed table)Configuration, and, the configuration to disk array module 204.
Access switch:
As shown in figure 3, mainly including Network Interface Module (downstream network interface module 301, uplink network interface module302), switching engine module 303 and CPU module 304;
Wherein, the packet (upstream data) that downstream network interface module 301 is come in enters packet detection module 305;Packet detection mouldWhether destination address (DA), source address (SA), type of data packet and the packet length of the detection packet of block 305 meet the requirements, if met,It then distributes corresponding flow identifier (stream-id), and enters switching engine module 303, otherwise abandon;Uplink network interface mouldThe packet (downlink data) that block 302 is come in enters switching engine module 303;The data packet that CPU module 204 is come in enters switching engineModule 303;Switching engine module 303 look into the operation of address table 306 to the packet come in, to obtain the navigation information of packet;If the packet into switching engine module 303 is that downstream network interface is gone toward uplink network interface, in conjunction with flow identifier(stream-id) packet is stored in the queue of corresponding pack buffer 307;If the queue of the pack buffer 307 is close full,It abandons;If the packet into switching engine module 303 is not that downstream network interface is gone toward uplink network interface, according to packetNavigation information is stored in the data packet queue of corresponding pack buffer 307;If the queue of the pack buffer 307 is close full,Then abandon.
All pack buffer queues of 303 poll of switching engine module, are divided to two kinds of situations in embodiments of the present invention:
If the queue is that downstream network interface is gone toward uplink network interface, meets the following conditions and be forwarded: 1)It is less than that the port sends caching;2) the queue package counting facility is greater than zero;3) token that rate control module generates is obtained;
If the queue is not that downstream network interface is gone toward uplink network interface, meets the following conditions and is forwarded:1) it is less than to send caching for the port;2) the queue package counting facility is greater than zero.
Rate control module 208 is configured by CPU module 204, to all downlink networks in programmable intervalInterface generates token toward the pack buffer queue that uplink network interface is gone, to control the code rate of forwarded upstream.
CPU module 304 is mainly responsible for the protocol processes between node server, the configuration to address table 306, and,Configuration to rate control module 308.
Ethernet association turns gateway:
As shown in figure 4, mainly including Network Interface Module (downstream network interface module 401, uplink network interface module402), switching engine module 403, CPU module 404, packet detection module 405, rate control module 408, address table 406, Bao HuanStorage 407 and MAC adding module 409, MAC removing module 410.
Wherein, the data packet that downstream network interface module 401 is come in enters packet detection module 405;Packet detection module 405 is examinedEthernet mac DA, ethernet mac SA, Ethernet length or frame type, the view networking destination address of measured data packetDA, whether meet the requirements depending on networking source address SA, depending on networking data Packet type and packet length, corresponding stream is distributed if meetingIdentifier (stream-id);Then, MAC DA, MAC SA, length or frame type are subtracted by MAC removing module 410(2byte), and enter corresponding receive and cache, otherwise abandon.
Downstream network interface module 401 detects the transmission caching of the port, if there is Bao Ze is according to the view of packet networking purposeAddress D A knows the ethernet mac DA of corresponding terminal, adds the ethernet mac DA of terminal, Ethernet assists the MAC for turning gatewaySA, Ethernet length or frame type, and send.
The function that Ethernet association turns other modules in gateway is similar with access switch.
Terminal:
It mainly include Network Interface Module, Service Processing Module and CPU module;For example, set-top box mainly connects including networkMouth mold block, video/audio encoding and decoding engine modules, CPU module;Encoding board mainly includes Network Interface Module, video encoding engineModule, CPU module;Memory mainly includes Network Interface Module, CPU module and disk array module.
The equipment of 1.3 metropolitan area mesh portions can be mainly divided into 3 classes: node server, node switch, metropolitan area server.Wherein, node switch mainly includes Network Interface Module, switching engine module and CPU module;Metropolitan area server mainly includesNetwork Interface Module, switching engine module and CPU module are constituted.
2, networking data package definition is regarded
2.1 access network data package definitions
Access net data packet mainly include following sections: destination address (DA), source address (SA), reserve bytes,payload(PDU)、CRC。
As shown in the table, the data packet for accessing net mainly includes following sections:
Wherein:
Destination address (DA) is made of 8 bytes (byte), and first character section indicates type (such as the various associations of data packetDiscuss packet, multicast packet, unicast packet etc.), be up to 256 kinds of possibility, the second byte to the 6th byte is metropolitan area net address,Seven, the 8th bytes are access net address;
Source address (SA) is also to be made of 8 bytes (byte), is defined identical as destination address (DA);
Reserve bytes are made of 2 bytes;
The part payload has different length according to the type of different datagrams, is if it is various protocol packages64 bytes are 32+1024=1056 bytes if it is single group unicast packets words, are not restricted to above 2 kinds certainly;
CRC is made of 4 bytes, and calculation method follows the Ethernet CRC algorithm of standard.
2.2 Metropolitan Area Network (MAN) packet definitions
The topology of Metropolitan Area Network (MAN) is pattern, may there is 2 kinds, connection even of more than two kinds, i.e. node switching between two equipmentIt can all can exceed that 2 kinds between machine and node server, node switch and node switch, node switch and node serverConnection.But the metropolitan area net address of metropolitan area network equipment is uniquely, to close to accurately describe the connection between metropolitan area network equipmentSystem, introduces parameter in embodiments of the present invention: label, uniquely to describe a metropolitan area network equipment.
(Multi-Protocol Label Switch, multiprotocol label are handed over by the definition of label and MPLS in this specificationChange) label definition it is similar, it is assumed that between equipment A and equipment B there are two connection, then data packet from equipment A to equipment B justThere are 2 labels, data packet also there are 2 labels from equipment B to equipment A.Label is divided into label, outgoing label, it is assumed that data packet entersThe label (entering label) of equipment A is 0x0000, and the label (outgoing label) when this data packet leaves equipment A may reform into0x0001.The networking process of Metropolitan Area Network (MAN) is to enter network process under centralized control, also means that address distribution, the label of Metropolitan Area Network (MAN)Distribution be all to be dominated by metropolitan area server, node switch, node server be all passively execute, this point withThe label distribution of MPLS is different, and the distribution of the label of MPLS is the result that interchanger, server are negotiated mutually.
As shown in the table, the data packet of Metropolitan Area Network (MAN) mainly includes following sections:
| DA | SA | Reserved | Label | Payload | CRC |
That is destination address (DA), source address (SA), reserve bytes (Reserved), label, payload (PDU), CRC.ItsIn, the format of label, which can refer to, such as gives a definition: label is 32bit, wherein high 16bit retains, only with low 16bit, its positionSet is between the reserve bytes and payload of data packet.
Based on the above-mentioned characteristic of view networking, one of the core concepts of the embodiments of the present invention is proposed, it then follows regard the association of networkingView receives what the first view networked terminals were sent depending on networked node server, for the domain-name information that arrives of the second view networked terminals, andVirtual terminal information corresponding with domain-name information is found from preset mapping table, then virtual terminal information is back to firstDepending on networked terminals, the first view networked terminals establish the network connection between the second view networked terminals according to virtual terminal information.
Referring to Fig. 5, a kind of step flow chart of terminal connection method embodiment of the invention is shown, this method can answerFor regard networking in, view networking in include view networked node server, view networking main control server, and, with regard networked nodeThe the first view networked terminals and the second view networked terminals that server is connected, are used for the first view networking eventually depending on networking main control serverThe first downstream communications link of end configuration, and, the second downstream communications link is configured to the second view networked terminals, below to regard networkingNode server is executing subject, introduces this method from depending on networked node server side, this method can specifically include following stepIt is rapid:
Step 501, receive what the first view networked terminals were sent depending on networked node server, for the second view networked terminalsDomain-name information.
In the concrete realization, first regard networked terminals and second regard networked terminals can as set-top box (Set Top Box,STB), box commonly referred to as on set-top box or machine is the equipment of connection a television set and outside source, it can be by compressionDigital signal changes into television content, and shows on a television set.
In general, set-top box can connect camera and microphone, it is more for acquiring video data and audio data etc.Media data also can connect television set, for multi-medium datas such as playing video data and audio datas.
In the application scenarios such as video on demand, if program request second regards the money on networked terminals on the first view networked terminalsSource then inputs the domain-name information of the second view networked terminals on the first view networked terminals, receives domain depending on networked node serverName information.It is defeated on the second view networked terminals if program request first regards the resource on networked terminals on the second view networked terminalsThe domain-name information for entering the first view networked terminals receives domain-name information depending on networked node server.The embodiment of the present invention only withFirst depending on program request second on networked terminals depending on being illustrated for the resource on networked terminals, in practical applications, first view connectionNetwork termination can be converted mutually with second depending on networked terminals, and the embodiment of the present invention is without limitation.
Step 502, it depending on networked node server according to domain-name information, is searched from preset mapping table and obtains believing with domain nameCease corresponding virtual terminal information.
In the embodiment of the present invention, mapping table can be the corresponding relationship being stored between domain-name information and virtual terminal informationStorage medium etc., mapping table can be preset in view networked node server.
In the preferred embodiment of the invention, preset mapping table can be generated by following sub-step:
Sub-step S11 receives the registration information for the second view networked terminals depending on networked node server.
In some alternative embodiments, registration information can include at least domain-name information and at least one virtual terminalInformation.For example, depending on the registration information of networked terminals Z2 including domain-name information " Guangxi comprehensive improvement " and virtual terminal information for second"25032".Wherein, domain-name information " Guangxi comprehensive improvement " can carry out customized, example according to relevant domain name registration rule for userSuch as, increase dedicated view networking domain name before domain-name information " Guangxi comprehensive improvement ", increase after domain-name information " Guangxi comprehensive improvement "Suffix name etc. for classifying to business.Virtual terminal information " 25032 " can be user according to relevant virtual terminalRegistration rule progress is customized, for example, utilizing different numbers to carry out according to the classification of the corresponding resource of the second view networked terminalsIt distinguishes.Alternatively, virtual terminal information " 25032 " can also be by view networked node sequence server or random generation.The present invention is realApply example to domain name registration rule and virtual terminal registration rule particular content with no restrictions.
Sub-step S12 believes the domain-name information in registration information at least one virtual terminal depending on networked node serverBreath establishes mapping relations one by one, and mapping relations are stored into mapping table.
Example is connected, depending on the registration information of networked terminals Z2 includes domain-name information " Guangxi comprehensive improvement ", virtual terminal for secondInformation " 25031 " and virtual terminal information " 25032 ".It, can will be domain-name information " Guangxi comprehensive improvement " and empty in this sub-step S12Quasi- end message " 25031 " establish a mapping relations, and by domain-name information " Guangxi comprehensive improvement " and virtual terminal information " 25032 "Another mapping relations are established, then above-mentioned mapping relations are stored into mapping table.
In the case where including two or two virtual terminal information in registration information, if the first view networked terminals are according to itIn a virtual terminal information can not establish the network connection between the second view networked terminals, then can be virtual eventually according to otherClient information attempts the network connection established between the second view networked terminals, guarantees the connectivity of the second view networked terminals as far as possible.
The corresponding relationship of domain-name information and virtual terminal information in mapping table is not by the operation shape of the second view networked terminalsState influences, moreover, searching the implementation procedure of virtual terminal information from mapping table also not by the operation shape of the second view networked terminalsState influences.For example, second regards networked terminals Z2 delay machine or suspension, the domain-name information " Guangxi of the second view networked terminals Z2Still there is corresponding relationship in comprehensive improvement " and virtual terminal information " 25031 ", moreover, it is also possible to the root from mapping table in the mapping tableAccording to second depending on networked terminals Z2 domain-name information " Guangxi comprehensive improvement " lookup obtain the virtual terminal information of the second view networked terminals Z2“25031”。
Step 503, depending on networked node server according to the first downstream communications link, virtual terminal information is sent to firstDepending on networked terminals, first is used to establish connection depending on networked terminals according to virtual terminal information and second depending on networked terminals.
In this practical application, networking is regarded as the network with centralized control functions, including main control server and undernetEquipment, which includes terminal, and one of the core idea depending on networking is, by notifying to exchange by main control serverEquipment is directed to when time downstream communications link of service matches table, and the table for being then based on the configuration carries out the transmission of data packet.
That is, including: depending on the communication means in networking
Main control server configuration is when time downstream communications link of service;Work as time data packet of service for what source terminal was sent,Target terminal (the such as first view networked terminals) are sent to according to downstream communications link.
In embodiments of the present invention, it includes: notice when the downlink of secondary service is logical that time downstream communications link of service is worked as in configurationBelieve that switching equipment involved in link matches table.
It furthermore, include: the configured table of inquiry according to downstream communications link transmission, switching equipment is received to instituteData packet is transmitted by corresponding port.
As previously mentioned, view networking includes access mesh portions, in access net, which is node server, underThe grade network equipment includes access switch and terminal.
In the concrete realization, service includes unicast communication service and Multicast Communication Service.It is logical for the unicast in access netFor telecommunications services, main control server configuration may comprise steps of when the step of downstream communications link of time service:
Sub-step S21, the service request protocol package that main control server is initiated according to source terminal are obtained when time downlink of serviceCommunication link information, downstream communications link information include participating in when time downlink of the main control server of service and access switchCommunication port information.
Sub-step S22, main control server are arranged according to downstream communication ports information in data packet addressed table inside itWhen the downlink port that the data packet of secondary service is oriented to;And the downstream communication ports information according to access switch, to correspondingAccess switch sending port configuration order.
Sub-step S23, access switch according in port configuration command data packet addressed table inside it, setting when timeThe downlink port that the data packet of service is oriented to.
For the Multicast Communication Service (such as video on demand) in access net, main control server is obtained when under time serviceThe step of row communication link information may include following sub-step:
Sub-step S31, main control server obtain the service request agreement for the application Multicast Communication Service that target terminal is initiatedIt wraps, includes the access net address of service type information, service content information and target terminal in service request protocol package;Wherein,It include service number in service content information.
Sub-step S32, main control server in preset content-address mapping table, extract source terminal according to service numberAccess net address.
Sub-step S33, main control server obtains the corresponding multicast address of source terminal, and distributes to target terminal;And according toAccording to the access net address of service type information, source terminal and target terminal, the communication link information when time multicast services is obtained.
In the embodiment of the present invention, first has depending on networked terminals and builds depending on networked terminals (such as second depending on networked terminals) with otherThe ability of vertical connection, can specifically build with other depending on networked terminals according to other depending on unique virtual terminal information of networked terminalsVertical connection, specifically establishes the connection type of establishing that connection procedure is referred between any terminal, the embodiment of the present invention is to thisWith no restrictions.
It in a preferred embodiment of the invention, will be virtual in view networked node server according to the first downstream communications linkEnd message is sent to after the first view networked terminals, can receive the transmission of the first view networked terminals depending on networked node serverFor the process instruction of the second corresponding resource of view networked terminals, depending on networked node server according to the second downstream communications link,Process instruction is sent to the second view networked terminals, the second view networked terminals are used to join according to process instruction starting to the second viewThe operation that the corresponding resource of network termination is handled.
About the second downstream communications link configuration and/or obtain information the step of, be referred to above-mentioned sub-step S21-Related introduction in S23, sub-step S31-S33, details are not described herein.
The process instruction for regarding the corresponding resource of networked terminals for second can be the instruction of any operation of expression, including butIt is not limited to: program request, downloading, upload, recording, browsing etc..Second depending on networked terminals corresponding resource can according to second view networkThe type of terminal is divided, and real time resources and Time resources can be specifically divided into.If second regards networked terminals as contentPlatform or storage gateway are managed, then second regards the corresponding resource of networked terminals as Time resources, is such as stored in the networking of the second viewVideo file in terminal.If second regards networked terminals as camera or live source, second regards the corresponding resource of networked terminalsFor real time resources, such as camera collected video flowing in real time.
It is regarded on networked terminals for example, regarding the process instruction C1 of the corresponding resource of networked terminals Z2 for second as program request secondThe video file a of storage, second receives process instruction C1 depending on networked terminals Z2, starts order video text according to process instruction C1The operation of part a, specific start-up operation process can be with are as follows: the second view networked terminals Z2 is instructed to vod server D forward processC1, vod server D pull real-time messages transport protocol (the Real Time Messaging comprising video file aProtocol, RTMP) stream, and it is sent to the second view networked terminals Z2, second parses RTMP stream depending on networked terminals Z2, obtainsTo video file a, video file a is then pushed to the first view networked terminals Z1 and carries out program request.
Referring to Fig. 6, the step flow chart of another terminal connection method embodiment of the invention is shown, this method can be withApplied to view networking in, view networking in include view networked node server, view networking main control server, and, with view networking saveThe the first view networked terminals and the second view networked terminals that point server is connected, are used to network to the first view depending on networking main control serverTerminal configures the first downstream communications link, and, the second downstream communications link is configured to the second view networked terminals, below with firstNetworked terminals are regarded as executing subject, introduce this method from first depending on networked terminals side, this method can specifically include following steps:
Step 601, the first view networked terminals send domain-name information to view networked node server.
In the preferred embodiment of the invention, the first view networked terminals are sending domain-name information to view networked node serverBefore, first the URL received is parsed depending on networked terminals, obtains domain-name information.In a particular application, user can beFirst depending on inputting URL on networked terminals, alternatively, user can be first depending on selecting certain money in the Resources list on networked terminalsSource generates URL by selecting the operation of resource.Wherein, the Resources list can be obtained depending on networked terminals from storage gateway by firstIt takes, may include information and resource self-information of the second view networked terminals where resource etc. in the Resources list.
In the present embodiment, URL mainly includes protocol information, terminal domain-name information, resource path and resource number, according toURL can position unique resource in view networking, and execute relevant treatment to the resource of positioning.For example, user is in the first view connectionThe above-mentioned incoming call URL of network termination Z1 " vod: the //Guangxi v2v. comprehensive improvement .zz/record/96888 ", wherein " vod " is demand protocolInformation, in addition to this it is possible to be " get " download protocol information, " put " uploading protocol information, " record " record agreement letterBreath and " http " viewing protocol information etc.." v2v " is dedicated view networking domain name, and " Guangxi comprehensive improvement " is specific second view networkingThe domain-name information of terminal, " zz " are suffix name, and " record " is resource path, and " 96888 " are resource number.Entire URL is indicatedProgram request second regards the number in networked terminals (Guangxi comprehensive improvement) under the path record as 96888 resource.
It is used to search and obtain and domain-name information pair from preset mapping table according to domain-name information depending on networked node serverThe virtual terminal information answered, and according to the first downstream communications link, virtual terminal information is sent to the first view networked terminals.ThisDomain-name information, that is, specific second view networked terminals domain-name information in embodiment.
Step 602, first connection is established depending on networked terminals according to virtual terminal information and second depending on networked terminals.
In the preferred embodiment of the invention, virtual terminal information is being sent to the first view connection depending on networked node serverAfter network termination, first continues to parse URL depending on networked terminals, obtains protocol information and resource information, and resource information canTo include resource path and resource number etc..First view networked terminals are generated according to protocol information and resource information and are regarded to secondThe process instruction that the corresponding resource of networked terminals is handled, and process instruction is sent to view networked node server, depending on networkingNode server is also used to according to the second downstream communications link, and process instruction is sent to the second view networked terminals, the second view connectionNetwork termination be used for according to process instruction starting to the second operation that corresponding resource is handled depending on networked terminals.
In the present embodiment, about view networked node server, mapping table, process instruction, downstream communications link, and, theThe introduction of two view networked terminals, is referred to the related content of embodiment corresponding to above-mentioned Fig. 5, details are not described herein.
A kind of side for accessing the resource in view networking is described below in the content of embodiment based on above-mentioned terminal connection methodMethod.This method is applied to view networking, and view networking includes that view networked terminals, view are networked dns server, Content Management Platform 1 and interiorHold management platform 2, the structural block diagram of view networking is as shown in Figure 7.Referring to Fig. 8, this method can specifically include following steps:
Step 801, user inputs URL on depending on networked terminals, parses the URL depending on networked terminals, obtains domain-name information, hairSend domain-name information to view networking dns server.
For example, user inputs URL " vod: the //Guangxi v2v. comprehensive improvement .zz/record/96888 ", depending on networked terminals to thisURL is parsed, and is obtained domain-name information " Guangxi comprehensive improvement ", sends domain-name information " Guangxi comprehensive improvement " to view networking dns server.
Step 802, it is searched from preset mapping table depending on networking dns server and obtains virtual end corresponding with domain-name informationClient information, and virtual terminal information is back to view networked terminals.
Example is connected, is found from mapping table depending on networking dns server corresponding with domain-name information " Guangxi comprehensive improvement " virtualEnd message " 25032 ", and virtual terminal information " 25032 " are sent to view networked terminals.
Step 803, virtual terminal information is received depending on networked terminals, continues to parse URL, obtain protocol information and resource letterBreath, and process instruction is generated according to protocol information and resource information, then built according to virtual terminal information with Content Management PlatformVertical connection sends process instruction to Content Management Platform.
Chestnut is connected, receives virtual terminal information " 25032 " depending on networked terminals, continues to parse URL " vod: the //Guangxi v2v.Comprehensive improvement .zz/record/96888 " obtains protocol information " vod " and resource information " record/96888 ", according to protocol information" vod " and resource information " record/96888 " generate on-demand assets path be " record ", the place that resource number is " 96888 "Then reason instruction c according to virtual terminal information " 25032 " and the vertical connection of Content Management Platform 1, sends process instruction c Content ManagementPlatform 1.
Step 804, Content Management Platform starts process flow according to process instruction.
Example is connected, Content Management Platform 1 starts program request process according to process instruction c.
In a preferred embodiment of the invention, the method accessed depending on the resource in networking can also be applied to the networking of another viewIn, view networking includes the first view networked terminals, the second view networked terminals, thin cloud server, autonomous server, view networking DNSServer, storage gateway, vod server and streaming media server, the structural block diagram of view networking are as shown in Figure 9.Wherein, micro-The forwarding of data in same thin cloud server not only may be implemented in Cloud Server, also may be implemented between different thin cloud serversData forwarding can pass through thin cloud service depending on the data in networking depending on that can communicate between any two equipment in networkingDevice successively forwards, and is finally reached destination.Autonomous server is there are two interface, and one is view connecting port, and one is management interface.Autonomous server realizes the service logic of view networking by being communicated depending on connecting port and depending on the equipment in networking.Autonomy serviceDevice receives and executes the order come in Self management network by management interface and managing network communication, realize the management of higher.Storing gateway is a kind of storage equipment, can establish connection, such as NAS, SAN etc. with the storage equipment outside view networking.Pass throughGateway is stored, directly these external equipments can be written and read depending on the equipment in networking, realize the storage of various resourcesAnd extraction.For media data, the recording and playback function of media file is may be implemented in storage gateway.Gateway is stored to supportMultiple virtual channels are handled simultaneously.Vod server is used to receive the program request instruction that the second view networked terminals are sent, and passes throughStreaming media server pulls video flowing, and sends video flowing to the second view networked terminals, and the second view networked terminals parse video flowingAfter push to the first view networked terminals.
It should be noted that after the first view networked terminals generate process instruction, can will be handled in the embodiment of the present inventionInstruction is sent to view networked node server, regards networked terminals by instructing depending on networked node server forward process to second, orProcess instruction is sent directly to the second view networked terminals by person.When process instruction is forwarded by view networked node server, depending on connectionNet node server can manage process instruction, such as record, statistics, classification processing instruction, and then grasp the first view networking eventuallyHold second view networked terminals between resource disposition, can also according to view networking system load situations such as, to forwardingThe timing node of process instruction is controlled, and is reduced the case where the second view networked terminals are lined up process resource, is reduced secondDepending on the processing pressure of networked terminals.
The characteristic of application view networking of the embodiment of the present invention receives the first view networked terminals depending on networked node server and sends, for the domain-name information of the second view networked terminals, depending on networked node server according to domain-name information, from preset mapping tableLookup obtains virtual terminal information corresponding with domain-name information, depending on networked node server according to view networking main control server to theVirtual terminal information is sent to the first view networked terminals, the first view by the first downstream communications link of one view networked terminals configurationNetworked terminals establish connection depending on networked terminals according to virtual terminal information and second.
Compared with the termination number of the second view networked terminals, for the second view networked terminals domain-name information it is more succinct,Be more easier to remember, can be searched from preset mapping table depending on networked node server obtain it is corresponding with domain-name information virtualEnd message, first can establish the second view networked terminals corresponding with domain-name information depending on networked terminals according to virtual terminal informationBetween network connection, without, in the termination number of the first complicated, difficult note of view networked terminals input, improving the first view by userNetworked terminals connect the accuracy rate and simplicity of correct second view networked terminals.
It should be noted that for simple description, therefore, it is stated as a series of action groups for embodiment of the methodIt closes, but those skilled in the art should understand that, embodiment of that present invention are not limited by the describe sequence of actions, because according toAccording to the embodiment of the present invention, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art also shouldKnow, the embodiments described in the specification are all preferred embodiments, and the related movement not necessarily present invention is implementedNecessary to example.
Referring to Fig.1 0, a kind of structural block diagram of server example of the invention is shown, which can be applied toDepending on networking in, view networking include view networked node server, view networking main control server, and, with regard networked node serverConnected the first view networked terminals and the second view networked terminals, are used for depending on networking main control server to the first view networked terminals configurationFirst downstream communications link, and, the second downstream communications link is configured to the second view networked terminals, services utensil depending on networked nodeBody may include following module:
Receiving module 1001 is believed for receiving the first view networked terminals transmission for the domain name of the second view networked terminalsBreath.
Searching module 1002, for according to domain-name information, lookup to be obtained corresponding with domain-name information from preset mapping tableVirtual terminal information.
Sending module 1003, for according to the first downstream communications link, virtual terminal information to be sent to the networking of the first viewTerminal, first is used to establish connection depending on networked terminals according to virtual terminal information and second depending on networked terminals.
In one preferred embodiment of the invention, receiving module 1001 are also used in sending module 1003 according to firstDownstream communications link after virtual terminal information is sent to the first view networked terminals, receives what the first view networked terminals were sentProcess instruction.
Sending module 1003, is also used to according to the second downstream communications link, and process instruction is sent to the networking of the second view eventuallyEnd, second view networked terminals be used for according to process instruction start to the second behaviour that corresponding resource is handled depending on networked terminalsMake.
In one preferred embodiment of the invention, receiving module 1001 are also used to receive for the second view networked terminalsRegistration information, registration information includes domain-name information and at least one virtual terminal information.
Depending on networked node server further include:
Generation module 1004, for establishing the domain-name information in registration information one by one at least one virtual terminal informationMapping relations, and mapping relations are stored into mapping table.
Referring to Fig.1 1, a kind of structural block diagram of terminal embodiment of the invention is shown, which can be applied to view connectionIn net, include view networked node server, view networking main control server depending on networking, and, it is connected with depending on networked node serverFirst view networked terminals and second view networked terminals, view networking main control server be used for first view networked terminals configure firstDownstream communications link, and, the second downstream communications link is configured to the second view networked terminals, first specifically can be with depending on networked terminalsIncluding following module:
Sending module 1101 is used for for sending domain-name information to view networked node server depending on networked node serverAccording to domain-name information, is searched from preset mapping table and obtain virtual terminal information corresponding with domain-name information, and according to firstVirtual terminal information is sent to the first view networked terminals by downstream communications link.
Link block 1102, for establishing connection depending on networked terminals according to virtual terminal information and second.
In one preferred embodiment of the invention, the first view networked terminals further include:
Receiving module 1103, for connecing before sending module 1101 sends domain-name information to view networked node serverReceive the URL of input.
Parsing module 1104 obtains domain-name information for parsing to URL.
In one preferred embodiment of the invention, receiving module 1103 are also used to receive virtual terminal information.
Parsing module 1104 is also used to after receiving module 1103 receives virtual terminal information, parses to URL,Obtain protocol information and resource information.
First view networked terminals further include:
Generation module 1105, for being generated according to protocol information and resource information to money corresponding with the second view networked terminalsThe process instruction that source is handled.
In one preferred embodiment of the invention, sending module 1101 are also used to send process instruction to view networking sectionPoint server, is also used to depending on networked node server according to the second downstream communications link, and process instruction is sent to the second view connectionNetwork termination, second depending on networked terminals be used for according to process instruction starting to second, depending on networked terminals, corresponding resource is handledOperation.
For server example and terminal embodiment, since it is basically similar to the method embodiment, so descriptionIt is fairly simple, the relevent part can refer to the partial explaination of embodiments of method.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are withThe difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
It should be understood by those skilled in the art that, the embodiment of the embodiment of the present invention can provide as method, apparatus or calculateMachine program product.Therefore, the embodiment of the present invention can be used complete hardware embodiment, complete software embodiment or combine software andThe form of the embodiment of hardware aspect.Moreover, the embodiment of the present invention can be used one or more wherein include computer canWith in the computer-usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) of program codeThe form of the computer program product of implementation.
The embodiment of the present invention be referring to according to the method for the embodiment of the present invention, terminal device (system) and computer programThe flowchart and/or the block diagram of product describes.It should be understood that flowchart and/or the block diagram can be realized by computer program instructionsIn each flow and/or block and flowchart and/or the block diagram in process and/or box combination.It can provide theseComputer program instructions are set to general purpose computer, special purpose computer, Embedded Processor or other programmable data processing terminalsStandby processor is to generate a machine, so that being held by the processor of computer or other programmable data processing terminal devicesCapable instruction generates for realizing in one or more flows of the flowchart and/or one or more blocks of the block diagramThe device of specified function.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing terminal devicesIn computer-readable memory operate in a specific manner, so that instruction stored in the computer readable memory generates packetThe manufacture of command device is included, which realizes in one side of one or more flows of the flowchart and/or block diagramThe function of being specified in frame or multiple boxes.
These computer program instructions can also be loaded into computer or other programmable data processing terminal devices, so thatSeries of operation steps are executed on computer or other programmable terminal equipments to generate computer implemented processing, thusThe instruction executed on computer or other programmable terminal equipments is provided for realizing in one or more flows of the flowchartAnd/or in one or more blocks of the block diagram specify function the step of.
Although the preferred embodiment of the embodiment of the present invention has been described, once a person skilled in the art knows basesThis creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted asIncluding preferred embodiment and fall into all change and modification of range of embodiment of the invention.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to byOne entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operationBetween there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaningCovering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrapThose elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, articleOr the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limitedElement, it is not excluded that there is also other identical elements in process, method, article or the terminal device for including the element.
Above to a kind of terminal connection method provided by the present invention, a kind of server and a kind of terminal, carry out in detailIt introduces, used herein a specific example illustrates the principle and implementation of the invention, the explanation of above embodimentsIt is merely used to help understand method and its core concept of the invention;At the same time, for those skilled in the art, according to thisThe thought of invention, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification is not answeredIt is interpreted as limitation of the present invention.