CN101771963A - Method and system for recovering disaster in multimedia information international intercommunication gateway - Google Patents
Method and system for recovering disaster in multimedia information international intercommunication gateway Download PDFInfo
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- CN101771963A CN101771963A CN200910104829A CN200910104829A CN101771963A CN 101771963 A CN101771963 A CN 101771963A CN 200910104829 A CN200910104829 A CN 200910104829A CN 200910104829 A CN200910104829 A CN 200910104829A CN 101771963 A CN101771963 A CN 101771963A
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Abstract
The invention discloses a method for recovering a disaster in a multimedia information international intercommunication gateway. The method comprises the following steps of: detecting a state of a primary international intercommunication gateway by a number mapping domain name server or a third party platform and switching to a spare international intercommunication gateway if the primary international intercommunication gateway is in fault, wherein the detection is realized by sending a request to the primary international intercommunication gateway by an MM4 request message and then sending an MM4 response message by the primary international intercommunication gateway. The invention also discloses a system for recovering a disaster in a multimedia information international intercommunication gateway. The invention promotes the safety and the reliability of disaster recovery backup so as to increase the success rate of sending the international multimedia information. The invention efficiently utilizes the current network technique and is simple and convenient to realize.
Description
Technical field
The present invention relates to the multimedia messaging service, MMS in the mobile communication value-added service, relate in particular to and improve disaster recovery method and the system that international Multimedia Message transmits the international Interworking gateway of Multimedia Message of success rate.
Background technology
It is roughly as follows to relate to international multimedia message flow process:
(1) domestic message mails to the world
Domestic multimedia messaging service, MMS center (hereinafter to be referred as MMSC) is according to destination Mobile Station International ISDN Number query facility number domain name mapping server (hereinafter to be referred as EnumDNS), obtain relevant information such as the IP or the device id etc. of international Interworking gateway, thereby finally obtain the IP of international Interworking gateway, this message is mail to international Interworking gateway, and international Interworking gateway mails to message external third party's platform again;
(2) international message mails to domestic
External MMSC mails to external third party's platform with message earlier; The local configuration of external third party's platform inquiry obtains the IP of international Interworking gateway, message is mail to international Interworking gateway, thereby final message arrives the domestic user.
The backup scenario of the international Interworking gateway of Multimedia Message is not disaster tolerance strictly speaking at present, and be being equipped with of individual system node, the shortcoming of this scheme is if whole system breaks down as outage, physical network interruption etc., and professional normally providing just can't be provided.
Summary of the invention
The objective of the invention is in order to overcome the deficiencies in the prior art, the disaster recovery method and the system of the international Interworking gateway of a kind of Multimedia Message is provided, promote the fail safe and the reliability of disaster-tolerant backup, thereby improve the success rate that international Multimedia Message transmits.
Purpose of the present invention is realized by the following technical programs:
A kind of recovering disaster in multimedia information international intercommunication gateway method, detect the state of main international Interworking gateway by number domain name mapping server or third party's platform, when detecting main international Interworking gateway and break down, switch to and be equipped with international Interworking gateway, described detection is to send request by the MM4 request message to main international Interworking gateway, and realize by the MM4 response message by beaming back for main international Interworking gateway.
Said method, described detection continues to send a request message to main international Interworking gateway with predetermined transmission number of times according to preset time at interval, surpass pre-determined number if can not successfully obtain the response times of main international Interworking gateway, then be judged as fault, otherwise be judged as normal.
Said method, described MM4 request message is a MM4_Forward.REQ message, described MM4 response message is a MM4_Foward.RES message.
Said method, the message body of described MM4_Forward.REQ message are empty, and transmit leg and recipient's number are fixed and be different with the standard I SDN number of general flow, and MessageClass field value is Test.
Said method, after comprising that also switching use is equipped with international Interworking gateway, continue to send a request message with predetermined transmission number of times at interval according to preset time,, switch to the process of using the international Interworking gateway of master if in preset times, can both obtain response message continuously to main international Interworking gateway.
A kind of recovering disaster in multimedia information international intercommunication gateway system, comprise: the number domain name mapping server, third party's platform and main international Interworking gateway, described number domain name mapping server and third party's platform comprise detection module and handover module, and described detection module is used for sending request by the MM4 request message to main international Interworking gateway; Described handover module is used for when described detection module detects main international Interworking gateway and breaks down, and switches to be equipped with international Interworking gateway; The international Interworking gateway of described master comprises the detection respond module, and described detection respond module is used for beaming back the MM4 response message after receiving described MM4 request message.
Said system, described detection module also comprise timer, send number of times setting apparatus sum counter, and described timer is used to set the time interval that sends a request message to main international Interworking gateway; Described transmission number of times setting apparatus is used to set the number of times that sends a request message to main international Interworking gateway; Described counter is used to write down the response message number of times that can not successfully receive autonomous international Interworking gateway to beam back, described detection module is used for also then judging that main international Interworking gateway is a fault when the counting of described counter surpasses predetermined value, otherwise judges that main international Interworking gateway is normal.
Said system, described MM4 request message is a MM4_Forward.REQ message, described MM4 response message is a MM4_Foward.RES message.
Said system, the message body of described MM4_Forward.REQ message are empty, and transmit leg and recipient's number are fixed and be different with the standard I SDN number of general flow, and MessageClass field value is Test.
Said system, described detection module also be used for main international Interworking gateway break down use be equipped with international Interworking gateway after, continue to detect the state of judging main international Interworking gateway, if in preset times, can both obtain response message continuously, judge that then main international Interworking gateway recovers normal, send main international Interworking gateway to handover module and recover normal message; After described handover module is used to also receive that the international Interworking gateway of described master recovers normal message, switches to and use main international Interworking gateway.
The present invention's beneficial effect compared with prior art is:
(1) detects main international Interworking gateway by number domain name mapping server or third party's platform, when main international Interworking gateway breaks down, return the address that is equipped with international Interworking gateway, so just can switch to use and be equipped with international Interworking gateway, improved fail safe and reliability that disaster tolerance is equipped with, and do not needed the topological structure of existing network is done any change; Utilize the MM4_Forward.REQ of existing Multimedia Message and the operation conditions that MM4_Forward.RES request response mechanism is judged main international Interworking gateway, effectively utilized the existing network technology, simple, be easy to realize.
(2) by continuing detection, after main international Interworking gateway recovery was normal, the international Interworking gateway of master was used in switching in time, has improved the robustness of system.
Description of drawings
Fig. 1 is a specific embodiment of the invention system configuration schematic diagram;
Fig. 2 is specific embodiment of the invention method flow diagram figure.
Embodiment
In conjunction with the accompanying drawings the present invention is described in further details with embodiment below.
Based on the process analysis that international Multimedia Message is transmitted as can be seen, realize the disaster-tolerant backup of international Interworking gateway, the problem that the present invention need solve comprises: (1) domestic MMSC does not need to know present international Interworking gateway in usefulness (main international Interworking gateway) fault, the IP that only need obtain the international Interworking gateway that EnumDNS returns get final product, and the disaster tolerance switching of international Interworking gateway can be realized by EnumDNS; (2) external third party's platform needs to obtain main international Interworking gateway fault, thereby message is mail to the international Interworking gateway that is equipped with.
By above analysis, need to guarantee that EnumDNS and these two equipment of third party's platform can in time obtain the ruuning situation of main international Interworking gateway.When main international Interworking gateway breaks down when service can't be provided, EnumDNS and third party's platform can be known this situation at once, switch thereby in time carry out equipment.When EnumDNS MMSC at home inquires about the IP (or device id) of international Interworking gateway, what return will be to be equipped with international Interworking gateway but not the information of main international Interworking gateway; In like manner, third party's platform directly mails to this message and is equipped with international Interworking gateway but not main international Interworking gateway when transmitting message.Can realize the disaster-tolerant backup of international Interworking gateway like this.
After disaster tolerance switched, EnumDNS and third party's platform still continued to detect the situation of main international Interworking gateway.If main international Interworking gateway recovers normal, then will professional switch back main international Interworking gateway.
As shown in Figure 1, recovering disaster in multimedia information international intercommunication gateway of the present invention system, its a kind of embodiment comprises number domain name mapping server EnumDNS, is used to provide international Interworking gateway address; Third party's platform is used to repeat multimedia news; Main international Interworking gateway be equipped with international Interworking gateway, be used to repeat multimedia news; Here main be equipped with international Interworking gateway just comparatively speaking.At existing network, their real network position is an equality and independently, and promptly each Interworking gateway on-line operation and serve all regions and country is all only taking place just to occur active and standby notion when disaster-tolerant backup is switched.
EnumDNS and third party's platform comprise detection module and handover module.Detection module is used to detect the state of judging main international Interworking gateway.Detection module also further comprises timer, sends number of times setting apparatus sum counter.Timer is used to set the time interval that sends a request message to main international Interworking gateway.Send the number of times setting apparatus and be used to set the number of times that sends a request message to main international Interworking gateway, can detection module judge the state of international Interworking gateway according to the response message that normally receive main international Interworking gateway.Counter is used to write down the response message number of times that can not successfully receive autonomous international Interworking gateway to beam back, and detection module also is used for when the counting of counter surpasses predetermined value, judges that main international Interworking gateway is a fault, otherwise judges that main international Interworking gateway is normal.Detection module switch to use be equipped with international Interworking gateway after, continue to detect the state of main international Interworking gateway, if in preset times, can both obtain response message continuously, judge that then main international Interworking gateway recovers normal, sends the message that main international Interworking gateway recovers to handover module.Handover module is used for when described detection module detects main international Interworking gateway and breaks down, and switches to use to be equipped with international Interworking gateway.The handover module of EnumDNS is to send to domestic Multimedia Message center to comprise the message that is equipped with international Interworking gateway information and switch to use and be equipped with international intercommunication net; The handover module of third party's platform then is Multimedia Message to be mail to be equipped with international Interworking gateway and switch to use and be equipped with international Interworking gateway.When receiving that the international Interworking gateway of master that detection module is sent recovers normal message, handover module switches to and uses main international Interworking gateway, particularly, the handover module of EnumDNS is to send the message comprise main international Interworking gateway information to domestic Multimedia Message center to switch to that to use main international intercommunication net, the handover module of third party's platform then be Multimedia Message to be mail to main international Interworking gateway switch to and use main international Interworking gateway.Zhu is equipped with international Interworking gateway information and comprises that Zhu is equipped with the address or the device id of international Interworking gateway.
As a kind of execution mode, detection module sends request by the MM4 request message of existing multimedia message to main international Interworking gateway, the MM4 request message adopts MM4_Forward.REQ message, message body is made as sky, transmit leg is fixed with the reciever number and is different with the standard I SDN number of general flow, so that international Interworking gateway, EnumDNS or third party's platform can be distinguished this message, MessageClass field value is Test.Main international Interworking gateway be equipped with international Interworking gateway and comprise the detection respond module, be used to respond the detection request that detection module is sent, a kind of execution mode, after receiving the request of detection module by the MM4_Forward.REQ message transmission of existing multimedia message, MM4 response message by correspondence is beamed back, and the MM4 response message comprises MM4_Foward.RES message.As a kind of execution mode, the detection module of EnumDNS sends MM4_Forward.REQ message by http protocol, detects respond module and sends the MM4_Foward.RES response message by http protocol; The detection module of third party's platform sends MM4_Forward.REQ message by smtp protocol, detects respond module and sends the MM4_Foward.RES response message by smtp protocol.
Recovering disaster in multimedia information international intercommunication gateway method of the present invention, technological core is: carry out status monitoring by EnumDNS and third party's platform active initial request messages bag to international gateways, detect-message is used the MM4_Forward.REQ message of existing multimedia message.Internet closes presses the processing of regular traffic flow process to this message, and returns MM4_Forward.RES message and give EnumDNS and third party's platform.The time interval that EnumDNS and third party's platform are initiated the request that detects is defaulted as T (unit second, can dispose as required), if continue to send N1 time (can dispose as required), can detection normally return response message, if the number of times that can not obtain normally to return has surpassed default switching upper limit number of times, think that then this gateway is unusual, and business is switched to standby gateway.Simultaneously, EnumDNS and third party's platform continue to detect unusual international gateways, if N continuous 2 times (can dispose as required) can both obtain normal response message, think that then gateway recovers, and can switch to main international Interworking gateway.EnumDNS will announce relevant device such as all MMSC and empty the ENUM buffer memory after route is switched, same this notice message also needs the continuous several times generation, can successfully receive to guarantee opposite equip..
Its a kind of embodiment, for EnumDNS switches the flow process that Zhu is equipped with international Interworking gateway, this state-detection flow process is independent of outside the operation flow, as shown in Figure 2, comprises the steps:
Step 201:EnumDNS periodically transmit status detect-message gives main international Interworking gateway, and regularly strategy has read the Service Processing Module of EnumDNS by configuration platform;
Step 202: judge whether main international Interworking gateway has responded the detection response message.If responded, then continue to send detect-message according to the timing strategy; If do not respond, then enter step 203;
Step 203: the counter of detect-message processing module adds one;
Step 204: whether the numerical value of judging current counter surpasses or equals to switch higher limit.If do not surpass, then change step 201 over to, proceed the timed sending detect-message; If surpass, then enter step 205;
Step 205:EnumDNS carries out the active and standby handover operation of international Interworking gateway, notifies other relevant devices renewal cache informations such as MMSC simultaneously;
In addition, EnumDNS still continues to detect the international Interworking gateway of master that breaks down after carrying out switching.If normal through finding main international Interworking gateway behind certain detection strategy, then carry out once more immediately and switch, business is switched to the international Interworking gateway of original master.The detection of third party's platform, handoff procedure and EnumDNS are similar.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention/utility model is done, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. recovering disaster in multimedia information international intercommunication gateway method, it is characterized in that: the state that detects main international Interworking gateway by number domain name mapping server or third party's platform, when detecting main international Interworking gateway and break down, switch to and be equipped with international Interworking gateway, described detection is to send request by the MM4 request message to main international Interworking gateway, and realize by the MM4 response message by beaming back for main international Interworking gateway.
2. recovering disaster in multimedia information international intercommunication gateway method according to claim 1, it is characterized in that: described detection continues to send a request message to main international Interworking gateway with predetermined transmission number of times according to preset time at interval, surpass pre-determined number if can not successfully obtain the response times of main international Interworking gateway, then be judged as fault, otherwise be judged as normal.
3. recovering disaster in multimedia information international intercommunication gateway method according to claim 1 is characterized in that: described MM4 request message is a MM4_Forward.REQ message, and described MM4 response message is a MM4_Foward.RES message.
4. recovering disaster in multimedia information international intercommunication gateway method according to claim 3, it is characterized in that: the message body of described MM4_Forward.REQ message is for empty, transmit leg and recipient's number are fixed and are different with the standard I SDN number of general flow, and MessageClass field value is Test.
5. according to the arbitrary described recovering disaster in multimedia information international intercommunication gateway method of claim 1 to 4, it is characterized in that: after comprising that also switching use is equipped with international Interworking gateway, continue to send a request message with predetermined transmission number of times at interval according to preset time to main international Interworking gateway, if in preset times, can both obtain response message continuously, switch to the process of using main international Interworking gateway.
6. recovering disaster in multimedia information international intercommunication gateway system, comprise: the number domain name mapping server, third party's platform and main international Interworking gateway, it is characterized in that: described number domain name mapping server and third party's platform comprise detection module and handover module, and described detection module is used for sending request by the MM4 request message to main international Interworking gateway; Described handover module is used for when described detection module detects main international Interworking gateway and breaks down, and switches to be equipped with international Interworking gateway; The international Interworking gateway of described master comprises the detection respond module, and described detection respond module is used for beaming back the MM4 response message after receiving described MM4 request message.
7. recovering disaster in multimedia information international intercommunication gateway according to claim 6 system, it is characterized in that: described detection module also comprises timer, sends number of times setting apparatus sum counter, and described timer is used to set the time interval that sends a request message to main international Interworking gateway; Described transmission number of times setting apparatus is used to set the number of times that sends a request message to main international Interworking gateway; Described counter is used to write down the response message number of times that can not successfully receive autonomous international Interworking gateway to beam back, described detection module is used for also then judging that main international Interworking gateway is a fault when the counting of described counter surpasses predetermined value, otherwise judges that main international Interworking gateway is normal.
8. recovering disaster in multimedia information international intercommunication gateway according to claim 6 system, it is characterized in that: described MM4 request message is a MM4_Forward.REQ message, described MM4 response message is a MM4_Foward.RES message.
9. recovering disaster in multimedia information international intercommunication gateway according to claim 8 system, it is characterized in that: the message body of described MM4_Forward.REQ message is for empty, transmit leg and recipient's number are fixed and are different with the standard I SDN number of general flow, and MessageClass field value is Test.
10. according to the arbitrary described recovering disaster in multimedia information international intercommunication gateway of claim 6 to 8 system, it is characterized in that: described detection module also be used for main international Interworking gateway break down use be equipped with international Interworking gateway after, continue to detect the state of judging main international Interworking gateway, if in preset times, can both obtain response message continuously, judge that then main international Interworking gateway recovers normal, send main international Interworking gateway to handover module and recover normal message; After described handover module is used to also receive that the international Interworking gateway of described master recovers normal message, switches to and use main international Interworking gateway.
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| CN200910104829A CN101771963A (en) | 2009-01-05 | 2009-01-05 | Method and system for recovering disaster in multimedia information international intercommunication gateway |
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| CN200910104829A CN101771963A (en) | 2009-01-05 | 2009-01-05 | Method and system for recovering disaster in multimedia information international intercommunication gateway |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101977396A (en) * | 2010-10-22 | 2011-02-16 | 中兴通讯股份有限公司 | System and method for realizing network element service switching in multimedia messaging service |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101977396A (en) * | 2010-10-22 | 2011-02-16 | 中兴通讯股份有限公司 | System and method for realizing network element service switching in multimedia messaging service |
| WO2012051778A1 (en) * | 2010-10-22 | 2012-04-26 | 中兴通讯股份有限公司 | System and method for realizing service switching of network element in multimedia message service |
| CN101977396B (en) * | 2010-10-22 | 2014-11-05 | 中兴通讯股份有限公司 | System and method for realizing network element service switching in multimedia messaging service |
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Application publication date: 20100707 |