A kind of short message disaster-tolerant backup method, device, system and relevant deviceTechnical field
The present invention relates to communication technical field, more particularly to a kind of short message disaster-tolerant backup method, device, system and correlationEquipment.
Background technology
VoLTE (Voice over LTE, the speech business based on IMS) user receives the operation flow of MT short messages at presentAs shown in figure 1, it can include：
S11, sender belong to SMSC and send looking into for short message routing iinformation to recipient's VoLTE user attachings HSS/HLRAsk request.
In this step, sender belongs to SMSC (SMS service center) using through No.7 Network STP (SignalTransfer Point, Signalling Transfer Point) quasi-associated mode send short message routing iinformation (SRI_ to recipient HSS/HLRFor SM) inquiry request.
The SRI_for SM message is transmitted to recipient's home IP _ SM_GW by S12, recipient HSS/HLR.
In this step, used for the SRI_for SM of sender SMSC transmissions, recipient HSS/HLR through No.7 NetworkLSTP (Low Signal Transfer Point, Low Level Signaling Transfer Point LSTP), HSTP (High-level SignalingTransfer Point, HSTP High Signaling Transport Point) quasi-associated mode by the SRI_for SM message be transmitted to recipient ownershipIP_SM_GW。
S13, recipient's home IP _ SM_GW belong to HSS/HLR transmission SRI_for SM inquiry request to recipient.
S14, recipient HSS/HLR return to the confirmation message of SRI_for SM inquiry request to recipient IP_SM_GW.
In this step, for IP_SM_GW short message route information query request, HSS/HLR returns to confirmation message, itsIn carry the current VMSC of recipient VoLTE user (Visited Mobile-services Switching Center, visitAsk mobile switching centre) GT (Global Title, global title) and IMSI (International Mobile SubscriberIdentification Number, international mobile subscriber identity) information, recipient HSS/HLR can be using through Signaling System Number 7The quasi-associated mode for netting LSTP, HSTP returns to the confirmation message of short message route information query request to recipient IP_SM_GW.
S15, recipient IP_SM_GW belong to SMSC transmission SRI_for SM confirmation message to sender.
In this step, recipient IP_SM_GW belongs to sender to be included in SMSC transmission SRI_for SM confirmation messageShort message routing iinformation, such as can be IP_SM_GW global title GT, wherein, recipient IP_SM_GW is used through Signaling System Number 7The quasi-associated mode for netting LSTP, HSTP belongs to SMSC transmission SRI_for SM confirmation message to sender.
S16, sender belong to SMSC and short message are sent into UE by recipient IP_SM_GW.
In this step, sender belongs to SMSC and used according to the short message routing iinformation received through No.7 NetworkLSTP, HSTP quasi-associated mode send short message to recipient IP_SM_GW.
IP_SM_GW is first attempted to issue IP short messages by IMS network, and MT short messages will be carried by being received by ISCSIPMESSAGE message delivers to during recipient (called) user's IMS registration S-CSCF (Serving CSCF, the service selectedCSCF)；S-CSCF is according to path information during recipient (called) user's IMS registration, to recipient VoLTEThe VoLTE SBC selected during user's IMS registration send SIP MESSAGE message；VoLTE SBC pass through recipient VoLTE userIMS APN (Access Point Name, access point) default bearing IP short messages are sent to recipient VoLTE user.
Fail if S17, IP_SM_GW issue IP short messages by IMS network, MT short messages are issued by circuit domain.
Specifically, IP_SM_GW is passed through MT short messages in a manner of MAP according to the VMSC addresses obtained in step S14VMSC is sent to VoLTE user.In this step, IP_SM_GW issues MT short messages by circuit domain and used through No.7 NetworkLSTP, HSTP quasi-associated mode.
It can see from VoLTE user's short message MT flow above, when IP_SM_GW failures or SMSC and IP_SM_GW connectWhen connecing interruption, step S13, S14, S15 are not carried out, or are performed unsuccessful.At this moment SMSC can not receive IP_SM_GW transmissionsSRI_for SM confirmation messages, therefore be not carried out step S16 and user's short message is given to IP_SM_GW, cause short message to send and loseLose；Because SMSC do not have disaster tolerance mechanism, does not know user CS domains VMSC addresses, also short message will not be given to VMSC passes through 2/3GNetwork issues, and causes no matter VoLTE user by 4G networks or 2/3G networks can not receive short message, service disconnection, to industryBusiness, which perceives, produces baneful influence.
The content of the invention
The invention provides a kind of short message disaster-tolerant backup method, device, system and relevant device, to work as IP_SM_GWWhen breaking down, realize to change VoLTE short messages and issued by 2/3G networks, solve VoLTE user and can not receive asking for short messageTopic.
The embodiments of the invention provide a kind of short message disaster-tolerant backup method, including：
Receive the short message route information query request that sender's SMS service center SMSC is sent；
If determining the IP_SM_GW abnormal states according to pre-recorded IP_SM_GW state flag bits, directly toThe SMSC returns to the response message of the short message route information query request, and short message road is carried in the response messageBy information, short message to be sent is sent to by recipient according to the short message routing iinformation by the SMSC.
The embodiments of the invention provide a kind of short message disaster-tolerant backup device, including：
Receiving unit, the short message route information query for receiving sender's SMS service center SMSC transmissions pleaseAsk；
Returning unit, if for determining the IP_SM_GW states according to pre-recorded IP_SM_GW state flag bitsIt is abnormal, the response message of the short message route information query request is directly returned to the SMSC, is taken in the response messageWith short message routing iinformation, short message to be sent is sent to by reception according to the short message routing iinformation by the SMSCSide.
The embodiments of the invention provide a kind of home signature user server HSS/ attaching position register HLR, including it is upperThe short message disaster-tolerant backup device stated.
The embodiments of the invention provide a kind of short message disaster tolerant backup system, including：
Sender's SMS service center SMSC and short message receiving debit's home signature user server HSS/ homing positionsRegister HLR, wherein：
The SMSC, for sending short message route information query request to the HSS/HLR；And according to the HSS/The short message routing iinformation carried in the response message that HLR returns when determining the IP_SM_GW abnormal states will be to be sentShort message be sent to recipient；
The HSS/HLR, if for determining the IP_SM_GW according to pre-recorded IP_SM_GW state flag bitsAbnormal state, then directly return to the response message of the short message route information query request to the SMSC, and the response disappearsThe short message routing iinformation carried in breath.
Beneficial effects of the present invention include：
Short message disaster-tolerant backup method, device, system and relevant device provided in an embodiment of the present invention, short message receiving debitHSS/HLR receives the short message route information query request that sender's SMS service center SMSC is sent, if according to advanceThe IP_SM_GW state flag bits of record determine IP_SM_GW abnormal states, then directly returning to short message routing iinformation to SMSC looks intoThe response message of request is ask, short message routing iinformation is carried in the response message, will according to short message routing iinformation by SMSCShort message to be sent is sent to recipient.It is achieved thereby that when IP_SM_GW breaks down, VoLTE short messages are changed by 2/3G network issues, and solves the problems, such as that VoLTE user can not receive short message.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specificationObtain it is clear that or being understood by implementing the present invention.The purpose of the present invention and other advantages can be by the explanations writeSpecifically noted structure is realized and obtained in book, claims and accompanying drawing.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the present invention, this hairBright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is in the prior art, VoLTE user receives the operation flow of MT short messages；
Fig. 2 a are the General Implementing schematic flow sheet of short message disaster-tolerant backup method in the embodiment of the present invention；
Fig. 2 b are the IP_SM_GW state information updating streams that are recorded in IP_SM_GW state flag bits in the embodiment of the present inventionJourney schematic diagram；
Fig. 2 c are in the embodiment of the present invention, and the flow that the IP_SM_GW states are monitored using heartbeat inspecting mechanism is illustratedFigure；
Fig. 3 is the specific implementation schematic flow sheet of short message disaster-tolerant backup method in the embodiment of the present invention；
Fig. 4 is the structural representation of short message disaster-tolerant backup device in the embodiment of the present invention；
Fig. 5 is the structural representation of short message disaster tolerant backup system in the embodiment of the present invention.
Embodiment
In order to solve the problems, such as that VoLTE user can not receive short message, the embodiment of the present invention when IP_SM_GW breaks downProvide a kind of short message disaster-tolerant backup method, device, system and relevant device.
The implementation principle of short message disaster-tolerant backup method provided in an embodiment of the present invention is：Short message receiving debit HSS/HLRThe short message route information query request that sender's SMS service center SMSC is sent is received, if according to pre-recordedIP_SM_GW state flag bits determine IP_SM_GW abnormal states, then directly return to short message route information query request to SMSCResponse message, carry short message routing iinformation in the response message, will be to be sent according to short message routing iinformation by SMSCShort message be sent to recipient.The short message disaster-tolerant backup method provided according to embodiments of the present invention, realizes and works as IP_SM_When GW breaks down, VoLTE short messages are changed and issued by 2/3G networks, solve the problems, such as that VoLTE user can not receive short message.
The preferred embodiments of the present invention are illustrated below in conjunction with Figure of description, it will be appreciated that described hereinPreferred embodiment is merely to illustrate and explain the present invention, and is not intended to limit the present invention, and in the case where not conflicting, this hairThe feature in embodiment and embodiment in bright can be mutually combined.
As shown in Figure 2 a, it illustrates for the General Implementing flow of short message disaster-tolerant backup method provided in an embodiment of the present inventionFigure, may comprise steps of：
S21, receive the short message route information query request that sender's SMS service center SMSC is sent.
In this step, short message receiving debit HSS/HLR receives the short message that sender's SMS service center SMSC is sentRoute information query request (SRI_for SM).Wherein, the short message route letter that sender's SMS service center SMSC is sentInquiry request (SRI_for SM) is ceased, the quasi-associated mode through No.7 Network STP can be used to send.
S22, if the IP_SM_GW abnormal states are determined according to pre-recorded IP_SM_GW state flag bits, directlyThe response message that the short message route information query request is returned to the SMSC is connect, short disappear is carried in the response messageRouting iinformation is ceased, short message to be sent is sent to by recipient according to the short message routing iinformation by the SMSC.
In this step, after VoLTE user registration success, IP_SM_GW and VMSC address can be stored in HSS/HLR simultaneously,The short message routing iinformation carried in response message can be IP_SM_GW and VMSC address.
Remember when it is implemented, HSS/HLR can be updated in IP_SM_GW state flag bits according to flow as shown in Figure 2 bThe IP_SM_GW status informations of record：
S211, utilize the heartbeat inspecting mechanism monitoring IP_SM_GW states.
When it is implemented, IP_SM_GW state flag bits can be increased in HSS/HLR databases, sh interfaces (HSS withInterface between IP_SM_GW) using existing Diameter heartbeat inspecting mechanism (mutually sending out DWR/DWA), realize the HSS/HLR cyclesProperty detection IP_SM_GW states, and preserve IP_SM_GW state flag bits, handled according to heartbeat returning result.
S212, if it is determined that the IP_SM_GW abnormal states, then update and recorded in the IP_SM_GW state flag bitsIP_SM_GW status informations be abnormal.
S213, if it is determined that the IP_SM_GW states are normal, then update and recorded in the IP_SM_GW state flag bitsIP_SM_GW status informations be normal.
When it is implemented, in step S211, the state that the IP_SM_GW is monitored using heartbeat inspecting mechanism can be byRealized according to flow as shown in Figure 2 c：
S2111, according to predetermined period to the IP_SM_GW send heartbeat message.
If S2112, the response message that the IP_SM_GW is returned is received in preset duration, it is determined that the IP_SM_GW states are normal.
When it is implemented, if HSS/HLR sends DWR request messages by sh interfaces to IP_SM_GW, in preset durationThe DWA response messages of IP_SM_GW transmissions are inside received, then HSS/HLR determines that IP_SM_GW state flag bits are normal condition.Wherein, preset duration can be configured in HSS/HLR equipment by software.
If S2113, the response message that the IP_SM_GW is returned is not received in preset duration, it is determined that describedIP_SM_GW abnormal states.
When it is implemented, if HSS/HLR sends DWR request messages by sh interfaces to IP_SM_GW, in preset durationThe DWA response messages of IP_SM_GW transmissions are not received inside, then HSS/HLR determines that IP_SM_GW state flag bits are abnormal shapeState.
As shown in figure 3, it illustrates for the specific implementation flow of short message disaster-tolerant backup method provided in an embodiment of the present inventionFigure, may comprise steps of：
S31, sender SMSC send SRI_for SM inquiry requests to short message receiving debit HSS/HLR.
In this step, sender SMSC sends SRI_for SM inquiry requests to short message receiving debit HSS/HLR, can adoptSent with the quasi-associated mode through No.7 Network STP.
S32, recipient HSS/HLR inquire about the IP_SM_GW state flag bits of itself storage.
In this step, SRI_for SM are looked into if HSS/HLR determines that IP_SM_GW states are normal according to Query ResultAsk request and be transmitted to IP_SM_GW, follow-up process repeats no more compared with technology, step is performed if abnormal state hereS53。
S33, recipient HSS/HLR return to the SRI_for SM prestored to sender SMSC.
In this step, sent using the quasi-associated mode through No.7 Network LSTP, HSTP.
User's short message is sent to user by S34, SMSC by the SRI_for SM of acquisition by 2/3G networks.
So far, the implementing procedure of short message disaster-tolerant backup method provided in an embodiment of the present invention terminates.
Short message disaster-tolerant backup method provided in an embodiment of the present invention, it is short that short message receiving debit HSS/HLR receives senderThe short message route information query request that message service center SMSC is sent, if according to pre-recorded IP_SM_GW state marksWill position determines IP_SM_GW abnormal states, then the response message of short message route information query request is directly returned to SMSC, shouldShort message routing iinformation is carried in response message, is sent to short message to be sent according to short message routing iinformation by SMSCRecipient.The short message disaster-tolerant backup method provided according to embodiments of the present invention, realize when IP_SM_GW breaks down, willVoLTE short messages change to be issued by 2/3G networks, solves the problems, such as that VoLTE user can not receive short message.
Short message disaster-tolerant backup method provided in an embodiment of the present invention need to only do Software adapting to HSS/HLR, increase disaster toleranceTreatment mechanism can realize, other network elements are simple to operate, practicality is higher without transformation, are easy to rapid deployment.
Also each provided based on same inventive concept, in the embodiment of the present invention short message disaster-tolerant backup device, system andRelevant device, because said apparatus, system and relevant device solve the principle of problem and above-mentioned short message disaster-tolerant backup methodIt is similar, therefore the implementation of said apparatus may refer to the implementation of method, repeats part and repeats no more.
As shown in figure 4, it is the structural representation of short message disaster-tolerant backup device provided in an embodiment of the present invention, can wrapInclude：
Receiving unit 41, the short message route information query for receiving sender's SMS service center SMSC transmissions pleaseAsk；
Returning unit 42, if for determining the IP_SM_GW shapes according to pre-recorded IP_SM_GW state flag bitsState is abnormal, directly the response message to the SMSC returns short message route information query request, in the response messageShort message routing iinformation is carried, short message to be sent is sent to according to the short message routing iinformation by the SMSC and connectDebit.
Alternatively, short message disaster-tolerant backup device provided in an embodiment of the present invention can also include：
Monitoring unit, for monitoring the IP_SM_GW states using heartbeat inspecting mechanism；
First updating block, for if it is determined that the IP_SM_GW abnormal states, update the IP_SM_GW states markThe IP_SM_GW status informations recorded in will position are abnormal；
Second updating block, for if it is determined that the IP_SM_GW states are normal, updating the IP_SM_GW states markThe IP_SM_GW status informations recorded in will position are normal.
It is preferred that the monitoring unit specifically includes：
Transmission sub-unit, for sending heartbeat message to the IP_SM_GW according to predetermined period；And
First determination subelement, if the response message returned for receiving the IP_SM_GW in preset duration,Determine that the IP_SM_GW states are normal；
Second determination subelement, if disappeared for not receiving the response that the IP_SM_GW is returned in preset durationBreath, determines the IP_SM_GW abnormal states.
For convenience of description, above each several part is divided by function describes respectively for each module (or unit).Certainly, existThe function of each module (or unit) can be realized in same or multiple softwares or hardware when implementing of the invention.For example, Fig. 4Shown short message disaster-tolerant backup device can be arranged in HSS/HLR equipment.
As shown in figure 5, it is the structural representation of short message disaster tolerant backup system provided in an embodiment of the present invention, including hairThe side of sending SMSC 51 and short message receiving debit HSS/HLR 52, wherein：
The SMSC51, for sending short message route information query request to the HSS/HLR52；And according to describedThe short message routing iinformation carried in the response message that HSS/HLR52 returns when determining the IP_SM_GW abnormal states willShort message to be sent is sent to recipient；
The HSS/HLR52, if for determining the IP_SM_ according to pre-recorded IP_SM_GW state flag bitsGW abnormal states, then the response message of the short message route information query request is directly returned to the SMSC51, it is described to answerAnswer the short message routing iinformation carried in message.
When it is implemented, the HSS/HLR52, can be used for monitoring the IP_SM_GW shapes using heartbeat inspecting mechanismState；If it is determined that the IP_SM_GW abnormal states, then update the IP_SM_GW recorded in the IP_SM_GW state flag bitsStatus information is abnormal；If it is determined that the IP_SM_GW states are normal, then update and remember in the IP_SM_GW state flag bitsThe IP_SM_GW status informations of record are normal.
When it is implemented, the HSS/HLR52, can be also used for sending heartbeat to the IP_SM_GW according to predetermined periodMessage；And the IP_SM_GW states are determined in accordance with the following methods：If the IP_SM_GW is received in preset durationThe response message of return, it is determined that the IP_SM_GW states are normal；If the IP_SM_ is not received in preset durationThe response message that GW is returned, it is determined that the IP_SM_GW abnormal states.
It should be understood by those skilled in the art that, embodiments of the invention can be provided as method, system or computer programProduct.Therefore, the present invention can use the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardwareApply the form of example.Moreover, the present invention can use the computer for wherein including computer usable program code in one or moreThe computer program production that usable storage medium is implemented on (including but is not limited to magnetic disk storage, CD-ROM, optical memory etc.)The form of product.
The present invention is the flow with reference to method according to embodiments of the present invention, equipment (system) and computer program productFigure and/or block diagram describe.It should be understood that can be by every first-class in computer program instructions implementation process figure and/or block diagramJourney and/or the flow in square frame and flow chart and/or block diagram and/or the combination of square frame.These computer programs can be providedThe processors of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produceA raw machine so that produced by the instruction of computer or the computing device of other programmable data processing devices for realThe device for the function of being specified in present one flow of flow chart or one square frame of multiple flows and/or block diagram or multiple square frames.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spyDetermine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which produces, to be included referring toMake the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram orThe function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that countedSeries of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, so as in computer orThe instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram oneThe step of function of being specified in individual square frame or multiple square frames.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creationProperty concept, then can make other change and modification to these embodiments.So appended claims be intended to be construed to include it is excellentSelect embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present inventionGod and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologiesWithin, then the present invention is also intended to comprising including these changes and modification.