CN102917322B - A kind of method and device realizing multimedia information service system disaster recovery - Google Patents
A kind of method and device realizing multimedia information service system disaster recovery Download PDFInfo
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Abstract
The invention discloses a kind of method and the device that realize multimedia information service system disaster recovery, mainly comprise: domain name resolution server DNS sends detect-message to the first multimedia message central MMSC of the communication terminal service for corresponding setting messenger section determined, after not receiving the response message that a MMSC sends for detect-message, determine a MMSC fault; After determining a MMSC fault, from the information of each MMSC except the information of a MMSC corresponding with setting messenger section preserved, select the information of at least one MMSC, by the information of MMSC selected, be designated for replacing the information that a MMSC is the MMSC of the communication terminal service of corresponding setting messenger section.Adopt this technical scheme, the switching efficiency to fault MMSC in MMS system can be improved.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of method and the device that realize multimedia information service system disaster recovery.
Background technology
In Modern Communication System, multimedia messaging service, MMS (MMS, Multimedia Message Service) is one of standard be widely used in the exploitation of current sms technique.MMS is the SMS (Short Messaging Service) (SMS that continues, Short Messaging Service) and Enhanced Message Service (EMS, Enhanced MessageService Center) after third generation short message service, multimedia function can be realized, the Multimedia Messages such as video segment, picture, sound and word are transmitted with Wireless Application Protocol (WAP, Wireless Application Protocol) for carrier by high speed transmission technology.
Fig. 1 shows the logical construction schematic diagram of existing multimedia information service system, and as shown in Figure 1, in existing multimedia information service system, the network entity relating to multimedia messaging service, MMS realization mainly comprises:
Gateway 101, multimedia news service center (MMSC, Multimedia Message ServiceCentre) 102 and domain name system (DNS, Domain Name Server) 103, wherein:
Gateway 101, is specially different network entities according to different types of service, and such as, in the multimedia service of terminal-to-terminal service, gateway 101 is specially WAP gateway; In the multimedia messaging service, MMS of VAS application-to-terminal service, gateway 101 is specially MMS gateway; In Multimedia Message interworking service, gateway 101 is specially intercommunication of multimedia messages gateway;
MMSC 102, as the core of whole MMS system, mainly Storage and Processing is carried out to the Multimedia Message transmitted by gateway 101, comprise the input and output to message, receiver address parsing, notice, report etc., be responsible for the operations such as the transmission of Multimedia Message between different MMSC simultaneously;
DNS 103, telephone number mappings work group (ENUM mainly based on IETF in multimedia messaging service, MMS, Telephone Number Mapping working group) protocol realization multimedia messaging service, MMS, this DNS 103 is specially ENUM DNS, a data server is equivalent in MMS system, the management of addressing route data in IP network can be realized, such as, the increase of route data, delete, amendment and query function, the corresponding relation of the information of the MMSC of this messenger section of messenger Duan Yuwei service is preserved in ENUM DNS, the information of this MMSC can be the domain name of MMSC, mark or IP address etc.
Fig. 2 shows the logical construction schematic diagram of ENUM DNS, as shown in Figure 2, ENUM DNS comprises message codec unit 201, data recording and processing unit 202 and network management process unit 203, wherein: message codec unit 201, primary responsibility is decoded to the inquiry request received by query interface, and is sent by notification interface after being encoded by Query Result; Data recording and processing unit 202, is mainly used in the corresponding relation preserving messenger section and MMSC information, with the inquiry request of response external equipment; Webmaster processing unit 203, is mainly used in the management information sent by network management interface receiving network managing equipment, adds, revises and the operation such as deletion according to the management information received to the corresponding relation preserved in data recording and processing unit 202.
According to above-mentioned multimedia information service system of the prior art, Fig. 3 provides a kind of existing flow chart realizing multimedia messaging service, MMS, and as shown in Figure 3, this realizes the step of multimedia messaging service, MMS, mainly comprises:
Multimedia Message is sent to transmit leg gateway by the transmit leg of step 301, Multimedia Message.
Step 302, transmit leg gateway send to ENUM DNS the MMSC inquiry request that inquiry forwards the MMSC of this Multimedia Message.
Step 303, ENUM DNS return to the address of MMSC to transmit leg gateway.
The address of the MMSC that step 304, transmit leg gateway return according to ENUM DNS, sends this Multimedia Message to the MMSC corresponding with this address.
In this step 304, if the multimedia messaging service, MMS of current realization is the multimedia messaging service, MMS of Multimedia Message interworking service or VAS application-to-terminal service, then the MMSC that belongs to the recipient for this Multimedia Message that transmit leg gateway returns of ENUM DNS; If the multimedia messaging service, MMS of current realization is the multimedia messaging service, MMS of terminal-to-terminal service, the then MMSC that belongs to the transmit leg for this Multimedia Message that transmit leg gateway returns of ENUM DNS, and, when the transmit leg of this Multimedia Message belongs to different MMSC from recipient, the MMSC of transmit leg ownership also needs the MMSC that belonged to recipient by ENUM DNS query, and by MMSC that the forwarding multimedia message received belongs to recipient.
Step 305, MMSC process the Multimedia Message that transmit leg gateway sends.
In this step 305, MMSC processes the Multimedia Message that transmit leg gateway sends, mainly comprise and send multi-media message notification by recipient's gateway to the recipient of Multimedia Message, and extracting request according to the Multimedia Message from Multimedia Message recipient of recipient's gateway forwards, the recipient to this Multimedia Message sends this Multimedia Message.
So far, in prior art, the flow process of transferring multimedia message business terminates.
In above-mentioned flow process, according to the different implementations of multimedia messaging service, MMS, the transmit leg of this Multimedia Message is also different, and particularly, in the multimedia messaging service, MMS of terminal-to-terminal service, the transmit leg of this Multimedia Message can be terminal; In the multimedia messaging service, MMS of VAS application-to-terminal service, the transmit leg of this Multimedia Message can be service provider (SP, Service Provider); In Multimedia Message interworking service, the transmit leg of this Multimedia Message can be the multimedia message sending entity in other network type.Further, according to the different implementations of multimedia messaging service, MMS, transmit leg gateway is also different, and particularly, in the multimedia messaging service, MMS of terminal-to-terminal service, transmit leg gateway is WAP gateway; In the multimedia messaging service, MMS of VAS application-to-terminal service, transmit leg gateway is MMS gateway; In Multimedia Message interworking service, transmit leg gateway is intercommunication of multimedia messages gateway.
According to the flow process realizing multimedia messaging service, MMS in the prior art that Fig. 3 provides, visible, MMSC is responsible for receiving and repeating multimedia news in the implementation procedure of multimedia messaging service, MMS, it is the key component of transmit leg and recipient's proper communication in multimedia messaging service, MMS, once MMSC breaks down, cannot process Multimedia Message, thus cause multimedia messaging service, MMS to realize.In prior art, mainly through realizing disaster tolerance mechanism in multimedia information service system, to solve the problem of the multimedia messaging service, MMS failure caused due to MMSC fault.In multimedia messaging service, MMS, realize disaster tolerance mechanism, mainly backup MMSC (or being called disaster tolerance MMSC) is set for MMSC, with when MMSC breaks down, the function that this MMSC realizes is switched in backup MMSC.At present, the method realizing MMSC disaster tolerance in prior art is as follows:
Network maintenance staff sends detect-message to the MMSC as detected object by network management server simulation Multimedia Message transmit leg (as SP) or backup MMSC, and timing is carried out to the time sending out detect-message, if exceed setting duration not receive MMSC as detected object for the response of this detect-message, then determine that this MMSC breaks down.
After determining that MMSC breaks down by above-mentioned testing process, start disaster tolerance processing scheme, that is: network maintenance staff's logging in network management system, send address amendment instruction by network management system to ENUM DNS, the amendment instruction of this IP address comprises the address of the MMSC determining fault and the address of backup MMSC; After ENUM DNS receives the address amendment instruction of network management system transmission, determine the corresponding relation of the messenger section of preservation and the MMSC information of this fault, the address of backup MMSC is utilized to replace the address of this fault MMSC, so that fault MMSC is switched to redundancy MMSC.
According to above-mentioned prior art, the disaster tolerance mechanism in MMS system can be realized, but in above-mentioned prior art, the detection to MMSC is completed mainly through network entities such as manual simulation SP or backup MMSC, and after detecting that MMSC breaks down, need logging in network management system to send address amendment instruction to ENUM DNS.Visible, this process need manually participates in and needs to realize disaster tolerance mechanism alternately between network management device and ENUMDNS, therefore, exists due to mutual between artificial incorrect operation or network entity and time delay that is that cause, low to the switching efficiency of fault MMSC, thus affect MMS systematic function.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of method and the device that realize multimedia information service system disaster recovery, adopts this technical scheme, can improve the switching efficiency to fault MMSC in MMS system.
The embodiment of the present invention is achieved through the following technical solutions:
According to an aspect of the embodiment of the present invention, provide a kind of method realizing multimedia information service system disaster recovery, comprising:
Domain name resolution server DNS sends detect-message to the first multimedia message central MMSC of the communication terminal service for corresponding setting messenger section determined;
After not receiving the response message that a described MMSC sends for described detect-message, determine a described MMSC fault;
After determining a described MMSC fault, from the information of each MMSC except the information of a described MMSC corresponding with described setting messenger section preserved, select the information of at least one MMSC;
By the information of MMSC selected, be designated for replacing the information that a described MMSC is the MMSC of the communication terminal service of corresponding described setting messenger section.
According to another aspect of the embodiment of the present invention, additionally provide a kind of device realizing multimedia information service system disaster recovery, comprising:
MMSC fault detection unit, for sending detect-message to the first multimedia message central MMSC of the communication terminal service for corresponding setting messenger section determined, after not receiving the response message that a described MMSC sends for described detect-message, determine a described MMSC fault;
Fault MMSC replacement unit, after determining a described MMSC fault at described MMSC fault detection unit, from the information of each MMSC except the information of a described MMSC corresponding with described setting messenger section preserved, select the information of at least one MMSC, by the information of MMSC selected, be designated for replacing the information that a described MMSC is the MMSC of the communication terminal service of corresponding described setting messenger section.
According to another aspect of the embodiment of the present invention, additionally provide a kind of domain name resolution server, comprise the above-mentioned device realizing multimedia information service system disaster recovery.
By at least one technical scheme above-mentioned that the embodiment of the present invention provides, DNS sends detect-message to the first multimedia message central MMSC of the communication terminal service for corresponding setting messenger section determined, if do not receive the response message that this MMSC sends for this Detection Information, then determine that this MMSC breaks down, and from the information of each MMSC except the information of a MMSC corresponding with setting messenger section preserved, select the information of at least one MMSC, be for replacing the information that a MMSC is the MMSC to the communication terminal service that should set messenger section by the message identification of this MMSC selected, according to this technical scheme, control all to be completed by DNS to the fault detect of MMSC and the disaster tolerance that realizes when detecting MMSC and breaking down, compared with prior art, avoid due to mutual between artificial incorrect operation or network entity and time delay that is that cause, thus the switching efficiency that improve fault MMSC, improve MMS systematic function.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from specification, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in write specification, claims and accompanying drawing and obtain.
Accompanying drawing explanation
Fig. 1 is the logical construction schematic diagram of multimedia information service system in background technology;
Fig. 2 is the logical construction schematic diagram of ENUM DNS in background technology;
Fig. 3 is the schematic flow sheet realizing multimedia messaging service, MMS in background technology;
A kind of schematic flow sheet realizing multimedia information service system disaster recovery that Fig. 4 provides for the embodiment of the present invention one;
A kind of schematic flow sheet realizing multimedia information service system disaster recovery that Fig. 5 provides for the embodiment of the present invention two;
A kind of structural representation realizing the device of multimedia information service system disaster recovery that Fig. 6 provides for the embodiment of the present invention three;
Fig. 7 provide for the embodiment of the present invention three another realize the structural representation of the device of multimedia information service system disaster recovery;
The logical construction schematic diagram of the ENUM DNS that Fig. 8 provides for the embodiment of the present invention three.
Embodiment
In order to provide the implementation that can improve to the switching efficiency of fault MMSC in MMS system, embodiments provide a kind of method and the device that realize multimedia information service system disaster recovery, below in conjunction with Figure of description, the preferred embodiments of the present invention are described, be to be understood that, preferred embodiment described herein, only for instruction and explanation of the present invention, is not intended to limit the present invention.And when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
Embodiment one
The embodiment of the present invention one provides a kind of method realizing multimedia information service system disaster recovery, and the method is applied to the multimedia messaging service, MMS in communication system, as the multimedia messaging service, MMS of terminal-to-terminal service, the multimedia messaging service, MMS etc. of VAS application-to-terminal service.What this embodiment one provided realizes in the method for multimedia information service system disaster recovery, and DNS saves the information of multiple MMSC for same setting messenger section, and each MMSC information is a corresponding priority respectively.
Fig. 4 shows a kind of schematic flow sheet realizing multimedia information service system disaster recovery that the embodiment of the present invention one provides, and as shown in Figure 4, realizes the process of multimedia information service system disaster recovery, mainly comprises the steps:
Step 401, DNS send detect-message to a MMSC of the communication terminal service for corresponding setting messenger section determined.
In this step 401, DNS can be specially the ENUM DNS based on ENUM protocol, but is not limited to ENUM DNS.Wherein, DNS carries out detection to a MMSC and can periodically carry out, and such as, carry out one-time detection through setting duration, this setting duration can be determined according to actual needs flexibly.
Step 402, after not receiving the response message that a MMSC sends for detect-message, determine a MMSC fault.
In practical application, may there is the situation of the response message that cannot receive a MMSC transmission due to situations such as Network Abnormals, a MMSC may be in normal operating conditions in the case, thus may cause the erroneous judgement to a MMSC.Therefore, in order to improve the accuracy of detection the one MMSC, the number of times detected MMSC can be set, namely send detect-message to this MMSC and do not receive this MMSC for after the response message of this detect-message, continue to send detect-message to this MMSC, until to a MMSC send detect-message number of times and do not receive a MMSC all reach the number of times of this setting for the number of times of the response message of each detect-message feedback sent time, just determine a MMSC fault.According to this processing mode, determined the operating state of a MMSC by repeated detection, avoid due in the situations such as Network Abnormal to the erroneous judgement of a MMSC operating state, improve the accuracy of a MMSC being carried out to fault detect.
Step 403, after determining a MMSC fault, from the information of each MMSC except the information of a MMSC corresponding with this setting messenger section preserved, select the information of at least one MMSC (for ease of describing, the follow-up MMSC this selected is called the 2nd MMSC).
The information of the 2nd MMSC that step 404, DNS will select, is designated for replacing the information that a MMSC is the MMSC of the communication terminal service of corresponding setting messenger section.
So far, the flow process realizing multimedia information service system disaster recovery terminates.
In the flow process that Fig. 4 is corresponding, DNS is after a MMSC transmission detect-message of the communication terminal service for corresponding setting messenger section, if do not receive the response message that a MMSC returns for detect-message, then determine a MMSC fault, then the information of the 2nd MMSC will selected, active identification is for replacing the information that a MMSC is the MMSC to the communication terminal service that should set messenger section, follow-up by the 2nd MMSC that the 2nd MMSC information is corresponding is to the communication terminal service that should set messenger section, this technical scheme to the fault detect of MMSC and detect MMSC break down time realize disaster tolerance control all complete in DNS, compared with prior art, avoid due to mutual between artificial incorrect operation or network entity and time delay that is that cause, thus the switching efficiency that improve to fault MMSC in MMS system.
After performing the step 404 in the corresponding flow process of Fig. 4, i.e. the information of the 2nd MMSC that will select of DNS, be designated for replacing after a MMSC is the information of the MMSC of the communication terminal service of corresponding setting messenger section, DNS can also perform following steps further:
Receive MMSC information inquiring request, setting messenger segment information is carried in this MMSC information inquiring request, DNS can inquire about the information of the MMSC into communication terminal service corresponding to this setting messenger segment information, owing to being be the information of MMSC to the communication terminal service that should set messenger section for replacing a MMSC by the message identification of the 2nd MMSC selected in above-mentioned steps 404, therefore, for this MMSC information inquiring request, the information of the 2nd MMSC can be sent to the transmit leg of this MMSC information inquiring request by DNS, by the 2nd MMSC for the transmit leg of this MMSC information inquiring request provides follow-up service.
In practical application, DNS can preserve the information of multiple MMSC for same setting messenger section, namely preserve same setting messenger section respectively with the corresponding relation of the information of multiple MMSC, in above-mentioned steps 401, DNS determines the process of a MMSC of the current communication terminal service for corresponding setting messenger section, comprising:
The priority corresponding respectively according to corresponding with this setting messenger section each MMSC information of preserving, MMSC corresponding to the information selecting to have the MMSC of limit priority is for the MMSC for serving the communication terminal that should set messenger section.
It is for for the MMSC of communication terminal service that should set messenger section that above-mentioned selection has MMSC corresponding to the information of the MMSC of limit priority, be only the preferred implementation realizing the embodiment of the present invention, in practical application, MMSC corresponding to the information of a MMSC also can be arbitrarily selected to be for the MMSC for serving the communication terminal that should set messenger section.
The priority corresponding respectively according to the information of each MMSC corresponding with setting messenger section of DNS preservation, the present embodiment one provides following preferred implementation to realize above-mentioned steps 403, namely from the information of each MMSC except the information of a MMSC corresponding with this setting messenger section preserved, the information of at least one MMSC is selected:
From the information of each MMSC except the information of a MMSC corresponding with this setting messenger section preserved, distinguish corresponding priority by high order on earth according to the information of each MMSC, select the information of at least one MMSC.
According to the embodiment of the present invention, can be pre-configured for replacing the quantity that a MMSC is the information of the MMSC of the communication terminal service of corresponding setting messenger section, this quantity should be set to be more than or equal to 1, value between the total quantity being less than each MMSC corresponding with this setting messenger section, the quantity of the information of the MMSC that will select of concrete configuration, can determine according to the traffic carrying capacity of a MMSC carrying, such as, if the traffic carrying capacity of a MMSC carrying is less, the quantity that then can arrange the information of the MMSC that will select is less, to save server resource, if the traffic carrying capacity of a MMSC carrying is larger, the quantity that then can arrange the information of the MMSC that will select is larger, with the load of each MMSC of equilibrium.
Above-described preferred implementation is only the optimal way realizing above-mentioned steps 403 of the present invention, according to the technical scheme that the embodiment of the present invention provides, also can from the information of each MMSC except the information of a MMSC corresponding with this setting messenger section preserved, Stochastic choice goes out the information of at least one MMSC.
In the step 404 that the corresponding flow process of Fig. 4 comprises, the information of the 2nd MMSC that DNS will select, being designated for replacing the concrete mode that a MMSC is the information of the MMSC of the communication terminal service of corresponding setting messenger section, comprising:
Adjust priority corresponding to the information of the 2nd MMSC selected higher than priority corresponding to the information of a MMSC.
According to above-mentioned processing mode, after the subsequently received MMSC information inquiring request of DNS, the information of the MMSC with limit priority can be selected from each MMSC information corresponding with the setting messenger section of this MMSC information inquiring request institute requesting query of preserving, after adjustment, priority corresponding to the information of this 2nd MMSC selected can higher than priority corresponding to the information of a MMSC, therefore, it is possible to MMSC corresponding to the information being reached through the 2nd MMSC replaces the object of a MMSC.
According to the embodiment of the present invention one, can flow process as corresponding in Fig. 4 mainly detect a MMSC of the current communication terminal for the service of corresponding setting messenger section, can also detect other MMSC corresponding with this messenger section, concrete testing process is as follows:
To preserve each MMSC except the information of a MMSC except corresponding with this setting messenger section information corresponding to each MMSC send detect-message.
Said process can after above-mentioned steps 402 determines a MMSC fault, and perform before the information selecting at least one MMSC in step 403, correspondingly, in above-mentioned steps 403, from the information of each MMSC except the information of a MMSC corresponding with setting messenger section preserved, select the information of at least one MMSC, specifically comprise:
From the information of MMSC having fed back response message for this detect-message, select the information of at least one MMSC.
According to above-mentioned processing mode, by carrying out fault detect to other MMSC except a MMSC corresponding with this setting messenger section, thus go out selected by can guaranteeing can for providing normal service to the communication terminal that should set messenger section for the MMSC after replacing a MMSC, avoiding what select may be the situation of fault MMSC for replacing the 2nd MMSC of a MMSC.
Embodiment two
In order to understand the technical scheme that the embodiment of the present invention one provides better, the embodiment of the present invention two provides an embody rule scene of the technical scheme that above-described embodiment one provides.
Fig. 5 shows schematic flow sheet corresponding to the method realizing multimedia information service system disaster recovery that the embodiment of the present invention two provides, as shown in Figure 5, realize multimedia information service system disaster recovery process, mainly comprise the steps:
Step 501, ENUM DNS send Detection Information to a MMSC of the communication terminal service for corresponding setting messenger section determined.
In this step 501, ENUM DNS determines that the process of a MMSC is described in detail in the above-described embodiments, repeats no more herein.
Step 502, ENUM DNS determine a MMSC fault after not receiving the response message that a MMSC feeds back for this Detection Information, and utilizing the 2nd MMSC selected to replace a MMSC is communication terminal service to setting messenger section.
This step 502, selects to describe in detail in the corresponding description of process step 403 correspondence in the above-described embodiments of the 2nd MMSC, repeats no more herein.Wherein, utilizing the 2nd MMSC selected to replace a MMSC, be about to the information of the 2nd MMSC selected, being designated for replacing the information that a MMSC is the MMSC to the communication terminal service that should set messenger section.
Above-mentioned steps 501 and step 502 form ENUM DNS carries out fault detect and MMSC switching process to MMSC independently.
Multimedia Message is sent to transmit leg gateway by the transmit leg of step 503, Multimedia Message, carries the communicating number comprising above-mentioned setting messenger section in this Multimedia Message.
The execution of above-mentioned steps 503, the process described with above-mentioned steps 501 and step 502 is separate, there is no strict priority and performs relation.If executed above-mentioned steps 501 and step 502, then the current MMSC for the service of this setting messenger section is the 2nd MMSC, if do not perform above-mentioned steps 501 and step 502, then the current MMSC for the service of this setting messenger section is a MMSC.For executed, above-mentioned steps 501 and step 502 illustrate follow-up implementation to subsequent step.
Step 504, transmit leg gateway send MMSC inquiry request to ENUM DNS, carry the communicating number comprising above-mentioned setting messenger section in this MMSC inquiry request.
Step 505, ENUM DNS, according to the communicating number comprising above-mentioned setting messenger section, are defined as the information of the 2nd MMSC to the communication terminal service that should set messenger section, and return the message of the 2nd MMSC to transmit leg gateway.
Step 506, transmit leg gateway are according to the 2nd MMSC information received, and MMSC corresponding to the information to the 2nd MMSC sends multimedia messages.
Step 507, the 2nd MMSC process the Multimedia Message that transmit leg gateway sends.
In this step 507,2nd MMSC processes the Multimedia Message that transmit leg gateway sends, mainly comprise and send multi-media message notification by recipient's gateway to the recipient of Multimedia Message, and extracting request according to the Multimedia Message from Multimedia Message recipient of recipient's gateway forwards, the recipient to this Multimedia Message sends this Multimedia Message.
So far, the flow process that the present embodiment two realizes multimedia information service system disaster recovery terminates.
In the flow process that Fig. 5 is corresponding, ENUM DNS goes out after a MMSC breaks down in active detecting, adjust priority corresponding to the information (address as the 2nd MMSC) of the 2nd MMSC selected higher than priority corresponding to the information of a MMSC, and after receiving MMSC information inquiring request, the information of the 2nd MMSC after adjustment priority is returned to transmit leg gateway, the information of the 2nd MMSC that this transmit leg gateway returns according to ENUM DNS, multimedia messages is sent to the 2nd MMSC that the information of the 2nd MMSC is corresponding, then by the 2nd MMSC, multimedia messages is processed.The flow process of the above-mentioned multimedia information service system disaster recovery that Fig. 5 is corresponding, the network element being responsible for detection and treatment MMSC fault is ENUM DNS, therefore, avoid in above-mentioned flow process due to mutual between artificial incorrect operation or network entity and the problem of time delay that is that cause in prior art, thus improve the switching efficiency to fault MMSC in MMS system.
In the flow process that Fig. 5 is corresponding, if the multimedia messaging service, MMS of current realization is the multimedia messaging service, MMS of Multimedia Message interworking service or VAS application-to-terminal service, then in above-mentioned steps 506, the 2nd MMSC that the recipient for this Multimedia Message that ENUM DNS returns to transmit leg gateway belongs to; If the multimedia messaging service, MMS of current realization is the multimedia messaging service, MMS of terminal-to-terminal service, then in above-mentioned steps 506, the 2nd MMSC that the transmit leg for this Multimedia Message that ENUM DNS returns to transmit leg gateway belongs to, and, when the transmit leg of this Multimedia Message belongs to different MMSC from recipient, 2nd MMSC of transmit leg ownership also needs the MMSC that belonged to recipient by ENUM DNS query, and by MMSC that the forwarding multimedia message received belongs to recipient.
The flow process corresponding according to Fig. 5, select ENUM DNS detection and treatment fault MMSC, can reach the object improved to the switching efficiency of fault MMSC in MMS system, mainly because in multimedia service, ENUM DNS has following advantage:
First, in the flow process of multimedia information service system disaster recovery, there is connecting interface in ENUM DNS and MMSC, avoid MMSC refuses the information that non-connected network element sends problem because preventing from attacking, secondly, ENUM DNS is responsible for preserving messenger Duan Yuwei to should the corresponding relation of information of each MMSC of communication terminal service of messenger section, therefore, in the process of multimedia messaging service, MMS transmission, ENUMDNS can after detecting MMSC fault, the directly corresponding relation of the local messenger section of preservation of adjustment and the information of MMSC, namely the information of the MMSC selected is utilized to replace with the information of the MMSC of the fault of the communication terminal service of corresponding messenger section.
Although transmit leg gateway and recipient's gateway also can as the network elements of MMSC fault detect, but, for different multimedia service transmit leg gateways and recipient's gateway gateway that correspondence is different respectively, such as, in the multimedia messaging service, MMS of terminal-to-terminal service, transmit leg gateway is WAP gateway, in the multimedia messaging service, MMS of VAS application-to-terminal service, transmit leg gateway is MMS gateway, in Multimedia Message interworking service, transmit leg gateway is intercommunication of multimedia messages gateway, if select above-mentioned arbitrary gateway as the network element of MMSC fault detect, MMSC in multimedia messaging service, MMS corresponding to selected gateway can only be detected, accordingly, other multimedia messaging service, MMSs can not adopt the gateway of above-mentioned selection to carry out MMSC fault detect.
In sum, the present invention selects ENUM DNS as the network element of detection and treatment fault MMSC.
Embodiment three
The embodiment of the present invention three provides a kind of device realizing multimedia information service system disaster recovery, this device can be applied to the multimedia messaging service, MMS of communication system, such as, the multimedia messaging service, MMS of terminal-to-terminal service, the multimedia messaging service, MMS etc. of VAS application-to-terminal service.
Fig. 6 for the present invention be a kind of structural representation realizing multimedia information service system disaster recovery that example three provides, as shown in Figure 6, this realizes the device of multimedia information service system disaster recovery, mainly comprises:
MMSC fault detection unit 601 and fault MMSC replacement unit 602;
Wherein:
MMSC fault detection unit 601, for sending detect-message to the first multimedia message central MMSC of the communication terminal service for corresponding setting messenger section determined, after not receiving the response message that a described MMSC sends for described detect-message, determine a described MMSC fault;
Fault MMSC replacement unit 602, after determining a described MMSC fault at described MMSC fault detection unit 601, from the information of each MMSC except the information of a described MMSC corresponding with described setting messenger section preserved, select the information of at least one MMSC, by the information of MMSC selected, be designated for replacing the information that a described MMSC is the MMSC of the communication terminal service of corresponding described setting messenger section.
In the preferred implementation that the embodiment of the present invention three provides, the MMSC fault detection unit 601 that Fig. 6 shown device comprises, specifically for after not receiving the response message that a described MMSC sends for described detect-message, and before determining a described MMSC fault, the number of times again sending detect-message to a described MMSC and the number of times not receiving the response message that a described MMSC sends for described detect-message reach setting time respectively.
In the preferred implementation that the embodiment of the present invention three provides, the MMSC fault detection unit 601 that Fig. 6 shown device comprises, specifically for the priority respectively corresponding according to the information of each MMSC corresponding with described setting messenger section preserved, it is a MMSC for serving for the communication terminal of corresponding described setting messenger section that selection has MMSC corresponding to the information of the MMSC of limit priority.
In the preferred implementation that the embodiment of the present invention three provides, the fault MMSC replacement unit 602 that Fig. 6 shown device comprises, specifically in the information from each MMSC except the information of a described MMSC corresponding with described setting messenger section preserved, distinguish corresponding priority by high order on earth according to the information of described each MMSC, select the information of at least one MMSC.
In the preferred implementation that the embodiment of the present invention three provides, the fault MMSC replacement unit 602 that Fig. 6 shown device comprises, specifically for adjusting priority corresponding to the information of MMSC selected higher than priority corresponding to the information of a described MMSC.
In the preferred implementation that the embodiment of the present invention three provides, the MMSC fault detection unit 601 that Fig. 6 shown device comprises is also for after determining a described MMSC fault, and described fault MMSC replacement unit 602 is from the information of each MMSC except the information of a described MMSC corresponding with described setting messenger section preserved, before selecting the information of at least one MMSC, to preserve each MMSC except the information of a described MMSC except corresponding with described setting messenger section information corresponding to each MMSC send detect-message;
Described fault MMSC replacement unit 602, specifically for from the information of MMSC having fed back response message for described detect-message, selects the information of at least one MMSC.
Fig. 7 show the embodiment of the present invention two and provide another realize the device of multimedia information service system disaster recovery, as shown in Figure 7, this device is on the basis of device described in Fig. 6, comprise MMSC information inquiring request processing unit 603 further, for the information of MMSC will selected at described fault MMSC replacement unit 602, be designated for replace a described MMSC be corresponding described setting messenger section communication terminal service MMSC information after, receive MMSC information inquiring request, in described MMSC information inquiring request, carry described setting messenger segment information; Be the transmit leg that the information of the MMSC of the communication terminal service of corresponding described setting messenger section sends to described MMSC information inquiring request by being identified as replacing a described MMSC.
Should be appreciated that the logical partitioning that unit that above device comprises is only the function that realizes according to this terminal and carries out, in practical application, superposition or the fractionation of said units can be carried out.And the method flow one_to_one corresponding of what the function that the device that this embodiment provides realizes and above-described embodiment provided realize multimedia information service system disaster recovery, for the handling process specifically that this device realizes, be described in detail in said method embodiment, be not described in detail herein.
Further, the device realizing multimedia information service system disaster recovery in the present embodiment three also has the functional module that can realize embodiment one and embodiment two scheme, repeats no more herein.
The above-mentioned device realizing multimedia information service system disaster recovery that the embodiment of the present invention three provides can be arranged in DNS, Fig. 8 shows the logical construction schematic diagram of this application of installation realizing multimedia information service system disaster recovery in ENUMDNS, as shown in Figure 8, the logical construction of this ENUM DNS comprises message codec unit, data recording and processing unit, fault MMSC replacement unit, MMSC fault detection unit and webmaster processing unit, wherein, message codec unit, data recording and processing unit and webmaster processing unit are the unit that in prior art, ENUM DNS comprises, query interface, notification interface and practical function corresponding to network management interface are existing in the introduction to be described, repeat no more herein.In Fig. 8, fault MMSC replacement unit is used for the MMSC information being retrieved as the service of corresponding setting messenger section communication terminal from data recording and processing unit, and the MMSC information of acquisition is sent to MMSC fault detection unit carries out fault detect, the MMSC information that MMSC fault detection unit provides according to fault MMSC replacement unit, the MMSC corresponding to this MMSC information carries out fault detect, when carrying out fault detect, specifically after source codec unit carries out the process of volume solution to detect-message, by fault detect interface, the detect-message after this coded treatment is sent to MMSC, to realize the object of initiatively MMSC being carried out to fault detect.When detecting that MMSC breaks down, fault MMSC information corresponding for fault MMSC is sent to fault MMSC replacement unit, the corresponding relation that fault MMSC replacement unit is preserved according to the fault MMSC information adjustment data recording and processing unit received, namely utilizes the MMSC selected to replace the communication terminal service of fault MMSC for correspondence setting messenger section.
Although described the preferred embodiment of the application, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the application's scope.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (13)
1. realize a method for multimedia information service system disaster recovery, it is characterized in that, comprising:
Domain name resolution server DNS sends detect-message to the first multimedia message central MMSC of the communication terminal service for corresponding setting messenger section determined;
After not receiving the response message that a described MMSC sends for described detect-message, determine a described MMSC fault;
After determining a described MMSC fault, from the information of each MMSC except the information of a described MMSC corresponding with described setting messenger section preserved, select the information of at least one MMSC;
By the information of MMSC selected, be designated for replacing the information that a described MMSC is the MMSC of the communication terminal service of corresponding described setting messenger section;
Wherein, by the information of MMSC selected, being designated for replacing the information that a described MMSC is the MMSC of the communication terminal service of corresponding described setting messenger section, specifically comprising:
Adjust priority corresponding to the information of MMSC selected higher than priority corresponding to the information of a described MMSC.
2. the method for claim 1, is characterized in that, after not receiving the response message that a described MMSC sends for described detect-message, and before determining a described MMSC fault, also comprises:
The number of times again sending detect-message to a described MMSC and the number of times not receiving the response message that a described MMSC sends for described detect-message reach setting time respectively.
3. the method for claim 1, is characterized in that, DNS is defined as a MMSC of the communication terminal service setting messenger section, specifically comprises:
The priority that DNS is respectively corresponding according to the information of each MMSC corresponding with described setting messenger section preserved, it is a MMSC for serving for the communication terminal of corresponding described setting messenger section that selection has MMSC corresponding to the information of the MMSC of limit priority.
4. method as claimed in claim 3, is characterized in that, from the information of each MMSC except the information of a described MMSC corresponding with described setting messenger section preserved, selects the information of at least one MMSC, specifically comprises:
From the information of each MMSC except the information of a described MMSC corresponding with described setting messenger section preserved, distinguish corresponding priority by high order on earth according to the information of described each MMSC, select the information of at least one MMSC.
5. the method for claim 1, it is characterized in that, after determining a described MMSC fault, and from the information of each MMSC except the information of a described MMSC corresponding with described setting messenger section preserved, before selecting the information of at least one MMSC, also comprise:
To preserve each MMSC except the information of a described MMSC except corresponding with described setting messenger section information corresponding to each MMSC send detect-message;
From the information of each MMSC except the information of a described MMSC corresponding with described setting messenger section preserved, select the information of at least one MMSC, specifically comprise:
From the information of MMSC having fed back response message for described detect-message, select the information of at least one MMSC.
6. the method for claim 1, is characterized in that, by the information of MMSC selected, being designated for replacing after a described MMSC is the information of the MMSC of the communication terminal service of corresponding described setting messenger section, also comprising:
Described DNS receives MMSC information inquiring request, carries described setting messenger segment information in described MMSC information inquiring request;
Be the transmit leg that the information of the MMSC of the communication terminal service of corresponding described setting messenger section sends to described MMSC information inquiring request by being identified as replacing a described MMSC.
7. realize a device for multimedia information service system disaster recovery, it is characterized in that, comprising:
MMSC fault detection unit, for sending detect-message to the first multimedia message central MMSC of the communication terminal service for corresponding setting messenger section determined, after not receiving the response message that a described MMSC sends for described detect-message, determine a described MMSC fault;
Fault MMSC replacement unit, after determining a described MMSC fault at described MMSC fault detection unit, from the information of each MMSC except the information of a described MMSC corresponding with described setting messenger section preserved, select the information of at least one MMSC, by the information of MMSC selected, be designated for replacing the information that a described MMSC is the MMSC of the communication terminal service of corresponding described setting messenger section; Wherein, described fault MMSC replacement unit, specifically for adjusting priority corresponding to the information of MMSC selected higher than priority corresponding to the information of a described MMSC.
8. device as claimed in claim 7, it is characterized in that, described MMSC fault detection unit, specifically for after not receiving the response message that a described MMSC sends for described detect-message, and before determining a described MMSC fault, the number of times again sending detect-message to a described MMSC and the number of times not receiving the response message that a described MMSC sends for described detect-message reach setting time respectively.
9. device as claimed in claim 7, it is characterized in that, described MMSC fault detection unit, specifically for the priority respectively corresponding according to the information of each MMSC corresponding with described setting messenger section preserved, it is a MMSC for serving for the communication terminal of corresponding described setting messenger section that selection has MMSC corresponding to the information of the MMSC of limit priority.
10. device as claimed in claim 9, it is characterized in that, described fault MMSC replacement unit, specifically in the information from each MMSC except the information of a described MMSC corresponding with described setting messenger section preserved, distinguish corresponding priority by high order on earth according to the information of described each MMSC, select the information of at least one MMSC.
11. devices as claimed in claim 7, it is characterized in that, described MMSC fault detection unit is also for after determining a described MMSC fault, and described fault MMSC replacement unit is from the information of each MMSC except the information of a described MMSC corresponding with described setting messenger section preserved, before selecting the information of at least one MMSC, to preserve each MMSC except the information of a described MMSC except corresponding with described setting messenger section information corresponding to each MMSC send detect-message;
Described fault MMSC replacement unit, specifically for from the information of MMSC having fed back response message for described detect-message, selects the information of at least one MMSC.
12. devices as claimed in claim 7, is characterized in that, also comprise:
MMSC information inquiring request processing unit, for the information of MMSC will selected at described fault MMSC replacement unit, be designated for replace a described MMSC be corresponding described setting messenger section communication terminal service MMSC information after, receive MMSC information inquiring request, in described MMSC information inquiring request, carry described setting messenger segment information; Be the transmit leg that the information of the MMSC of the communication terminal service of corresponding described setting messenger section sends to described MMSC information inquiring request by being identified as replacing a described MMSC.
13. 1 kinds of domain name resolution servers, is characterized in that, comprise the device realizing multimedia information service system disaster recovery described in claim 7 to any one of claim 12.
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