CN101977396B - System and method for realizing network element service switching in multimedia messaging service - Google Patents

System and method for realizing network element service switching in multimedia messaging service Download PDF

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Publication number
CN101977396B
CN101977396B CN201010517462.2A CN201010517462A CN101977396B CN 101977396 B CN101977396 B CN 101977396B CN 201010517462 A CN201010517462 A CN 201010517462A CN 101977396 B CN101977396 B CN 101977396B
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China
Prior art keywords
network element
opposite end
end network
request
quota
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CN101977396A (en
Inventor
曹俊勇
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Nantong Kai Wunong Products Co. Ltd.
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ZTE Corp
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Priority to CN201010517462.2A priority Critical patent/CN101977396B/en
Priority to PCT/CN2010/080453 priority patent/WO2012051778A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/12—Messaging; Mailboxes; Announcements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
    • H04L51/07—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail characterised by the inclusion of specific contents
    • H04L51/10—Multimedia information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
    • H04L51/21—Monitoring or handling of messages
    • H04L51/23—Reliability checks, e.g. acknowledgments or fault reporting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/12—Reselecting a serving backbone network switching or routing node

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

The invention discloses a system for realizing network element service switching in a multimedia messaging service. The system comprises a multimedia messaging service center (MMSC) and an opposite-end network element, wherein the multimedia messaging service center is used for transmitting a request to the opposite-end network element and waiting a response from the opposite-end network element; and the opposite-end network element is used for returning a successful or failed response to the multimedia messaging service center according to the normal or abnormal condition of the network element after receiving the request transmitted by the multimedia messaging service center. In the system and the method, automatic switching of the service to a standby opposite-end network element after the failure of main opposite-end network element can be immediately detected by the MMSC; and the MMSC can immediately detect the automatic completion of the service back operation after the restoration of main opposite-end network element. The entire process of operation is automatically finished without manual intervention, so that high success rate of the multimedia messaging service can still be guaranteed when the main opposite-end network element is suddenly failed.

Description

In multimedia messaging service, MMS, realize the system and method that net element business switches
Technical field
The present invention relates to multimedia messaging service, MMS (MMS, Multimedia Messaging Service) technology, relate in particular to the system and method for realizing net element business switching in MMS.
Background technology
Multimedia messaging service, MMS be a kind of can be between mobile phone and mobile phone, between service provider and mobile phone and transmit the messenger service of content of multimedia between other application such as mobile phone and Email server.Multimedia messaging service, MMS has obtained carrying out widely at present, and especially service provider, for abundant in content, service efficiently in time that cellphone subscriber provides, has enriched user's life.
Receive the request message that MMSC sends in multimedia messaging service, MMS flow process after, return to the network element of response message, the unified opposite end network element that is called, mainly comprise Service Provisioning Administration Core Environment (DSMP, DataService Management Platform), telephone number mapping domain name server (ENUM DNS, Domain Name System for storage of is E.164numbers) and SMS service center (SMSC, Short Message Service Center) etc.
Multimedia messaging service, MMS flow process is comparatively complicated, and opposite end network element is many.In operation flow, any one opposite end network element breaks down and all likely the success rate of multimedia messaging service, MMS is caused to serious impact.Generally need to opposite end for subsequent use network element be set to this type of network element (can be described as main opposite end network element), the latter is used for replacing the former that service is provided temporarily, causes the situation of service disconnection in case main opposite end network element breaks down.
In multimedia messaging service, MMS flow process, after main opposite end network element breaks down, MMS Relay/Server (MMSC, Multimedia Messaging Service Center) how can perceive as early as possible the malfunction of this network element, and business is switched to opposite end for subsequent use network element, be the unbroken comparatively crucial problem of guarantee business; Meanwhile, because opposite end for subsequent use network element is only used for providing service temporarily, therefore how can recover after normal condition, business to be switched back from opposite end for subsequent use network element at main opposite end network element, be also the problem that needs consideration.In existing multimedia messaging service, MMS flow process, not yet this is provided an intact solution.
Summary of the invention
Technical problem to be solved by this invention is to provide and in a kind of multimedia messaging service, MMS, realizes the system and method that net element business switches, and can automatic detection carries out in time business switching to the malfunction of opposite end network element.
In order to solve the problems of the technologies described above, the invention provides in a kind of multimedia messaging service, MMS and realize the system that net element business switches, comprise MMS Relay/Server and opposite end network element, wherein:
MMS Relay/Server, for sending request to opposite end network element, waits for opposite end network element response;
Opposite end network element, for receiving after the request of MMS Relay/Server transmission, normally or extremely returns successfully or failure response to MMS Relay/Server according to this network element state.
Further,
MMS Relay/Server is at set intervals according to the state of response statistical analysis opposite end network element of receiving opposite end network element, the foundation of switch net element business as whether.
Further, opposite end network element comprises main opposite end network element and opposite end for subsequent use network element, wherein:
Main opposite end network element, for bearer service in the time that state is normal;
Opposite end for subsequent use network element, for bear business temporarily in the time that abnormal state appears in main opposite end network element;
Or multiple opposite ends network element is main opposite end network element and opposite end for subsequent use network element each other.
Further, MMS Relay/Server comprises that the response processing module, time block and the request that connect successively issue module, wherein:
Response processing module, for the response accumulative total response success number of times returning according to every pair of end network element of receiving;
Time block, the request of adding up each opposite end network element for the business who issues number of times according to response success number of times and request in preset timing granularity responds into power; When the service success rate that has a statistics is during lower than default threshold value, corresponding opposite end network element state is set to extremely, and notice issues module to request;
Request issues module, issues request for normally whether determining according to the state of opposite end network element to main opposite end network element or to opposite end for subsequent use network element, and the request that accumulative total is issued the opposite end network element of request issues number of times.
Further,
Time block also responds into after power in the request of having added up described each opposite end network element, response success number of times and the request of reset opposite end network element issue number of times, and are predisposed to the detection quota of initial value for being set to the opposite end network element distribution of abnormal state under last time granularity; State is set to abnormal opposite end network element also to be notified to response processing module;
Response processing module also issues module with request and is connected, and in accumulative total response success number of times, accumulative total is in abnormality and return to the probe response number of success of the opposite end network element of success response for probe requests thereby; By in abnormality and return to the detection quota zero clearing corresponding to opposite end network element of failure response for probe requests thereby;
Request issue module at main opposite end network element state normal or abnormal state but while having the quota of detection, request is handed down to main opposite end network element; In the time that main opposite end network element state is surveyed quota extremely and not, request is handed down to the normal or abnormal state of state but has the opposite end for subsequent use network element of surveying quota; To be sent out the abnormal state of request but have the main opposite end network element of quota of detection and/or opposite end for subsequent use network element to survey accordingly quota and deduct 1, and be probe requests thereby by corresponding request mark; Having the quota of detection is that to survey the value of quota non-vanishing, does not survey quota and refers to that the value of surveying quota is zero.
Further, MMS Relay/Server also comprises the net element business handover module being connected with response processing module, wherein:
Response processing module is in the time equaling the initial value of described detection quota to the described probe response number of success adding up in the opposite end of abnormality network element, judge that this opposite end network element all returns to success response for all probe requests thereby that issue, this opposite end network element is set to state normal, simultaneously by detection quota corresponding zero clearing; The opposite end network element that is set to the opposite end network element of normal condition and/or the abnormal state of time block notice is pass on to net element business handover module;
Net element business handover module, in the time that the corresponding opposite end for subsequent use of network element, the main opposite end network element state that judges abnormal state is normal, is switched to the business of this main opposite end network element on this opposite end for subsequent use network element; Judging that the normal opposite end of state network element is main opposite end network element, by this main opposite end network element of business switchback operating on the network element of corresponding opposite end for subsequent use.
In order to solve the problems of the technologies described above, the invention provides in a kind of multimedia messaging service, MMS and realize the MMS Relay/Server that net element business switches, comprise that the response processing module, time block and the request that connect successively issue module, wherein:
Response processing module, for the response accumulative total response success number of times returning for the request that issues according to every pair of end network element of receiving;
Time block, the request of adding up each opposite end network element for the business who issues number of times according to response success number of times and request in preset timing granularity responds into power; When the service success rate that has a statistics is during lower than default threshold value, corresponding opposite end network element state is set to extremely, and notice issues module to request;
Request issues module, issues described request for normally whether determining according to the state of opposite end network element to main opposite end network element or to described opposite end for subsequent use network element, and the request that accumulative total is issued the opposite end network element of described request issues number of times.
Further,
Time block also responds into after power in the request of having added up each opposite end network element, response success number of times and the request of described opposite end network element of resetting issues number of times, and distributes the detection quota that is predisposed to initial value for the opposite end network element that has been set to abnormal state under last time granularity; State is set to abnormal described opposite end network element also to be notified to described response processing module;
Response processing module also issues module with described request and is connected, and in accumulative total response success number of times, accumulative total is in abnormality and return to the probe response number of success of the opposite end network element of success response for probe requests thereby; By in abnormality and return to the detection quota zero clearing corresponding to opposite end network element of failure response for probe requests thereby;
Request issue module at main opposite end network element state normal or abnormal state but while having the quota of detection, request is handed down to main opposite end network element; In the time that main opposite end network element state is surveyed quota extremely and not, request is handed down to the normal or abnormal state of state but has the opposite end for subsequent use network element of surveying quota; To be sent out the abnormal state of request but have the main opposite end network element of quota of detection and/or opposite end for subsequent use network element to survey accordingly quota and subtract 1, and be probe requests thereby by corresponding request mark; There is the quota of detection to refer to survey the value of quota non-vanishing, do not survey quota and refer to that the value of surveying quota is zero.
Further, also comprise the net element business handover module being connected with answered processing module, wherein:
Response processing module is in the time equaling to survey the described initial value of quota to the probe response number of success adding up in the opposite end of abnormality network element, judge that this opposite end network element all returns to success response for all probe requests thereby that issue, this opposite end network element is set to state normal, simultaneously by detection quota corresponding zero clearing; The opposite end network element that is set to the opposite end network element of normal condition and/or the abnormal state of time block notice is pass on to net element business handover module;
Net element business handover module, in the time that the corresponding opposite end for subsequent use of network element, the main opposite end network element state that judges abnormal state is normal, is switched to the business of this main opposite end network element on this opposite end for subsequent use network element; Judging that the normal opposite end of state network element is main opposite end network element, by this main opposite end network element of business switchback operating on the network element of corresponding opposite end for subsequent use.
In order to solve the problems of the technologies described above, the invention provides in a kind of multimedia messaging service, MMS and realize the method that net element business switches, relate to MMS Relay/Server and opposite end network element, the method comprises:
MMS Relay/Server sends request to opposite end network element, waits for the response of opposite end network element;
Opposite end network element, receiving after the request of MMS Relay/Server transmission, normally or extremely returns successfully or failure response to MMS Relay/Server according to this network element state.
Further, the method also comprises:
MMS Relay/Server at set intervals according in the success of returning of every pair of end network element or the state of the every pair of end network element of failure response statistical analysis received, the foundation of switch net element business as whether.
Further, opposite end network element comprises main opposite end network element and opposite end for subsequent use network element, wherein:
Main opposite end network element bearer service in the time that state is normal, opposite end for subsequent use network element is born business in the time that abnormal state appears in main opposite end network element temporarily; Or multiple opposite ends network element is main opposite end network element and opposite end for subsequent use network element each other.
Further, the method specifically comprises: MMS Relay/Server,
Receive the response that opposite end network element returns in a predetermined timing granularity time, the response success number of times of this opposite end network element of accumulative total; The request that the business who issues number of times according to response success number of times and request in timing granularity adds up each opposite end network element responds into power; When the service success rate that has a statistics is during lower than default threshold value, corresponding opposite end network element is set to abnormal state; Normally whether determine to issue request to main opposite end network element or opposite end for subsequent use network element according to the state of opposite end network element;
Be set to the abnormal corresponding opposite end for subsequent use of network element, main opposite end network element state when normal at judgement state, the business of this main opposite end network element is switched on this opposite end for subsequent use network element.
Further, MMS Relay/Server
In accumulative total response success number of times, also add up in abnormality and return to the probe response number of success of the opposite end network element of success response for probe requests thereby, and by abnormality and return to the detection quota zero clearing corresponding to opposite end network element of failure response for probe requests thereby;
Respond into after power in the request of having added up each opposite end network element, response success number of times and the request of the opposite end network element that also resets issue number of times, and are predisposed to the detection quota of initial value for being set to the opposite end network element distribution of abnormal state under last time granularity.
Further, whether MMS Relay/Server normally determines to issue request to main opposite end network element or described opposite end for subsequent use network element according to the state of opposite end network element, refers to:
Normal or the abnormal state at main opposite end network element state but while having the quota of detection, request is handed down to main opposite end network element; In the time that main opposite end network element state is surveyed quota extremely and not, request is handed down to the normal or abnormal state of state but has the opposite end for subsequent use network element of surveying quota; To be sent out the abnormal state of request but have the main opposite end network element of quota of detection and/or opposite end for subsequent use network element to survey accordingly quota and deduct one, and be probe requests thereby by corresponding request mark; There is the quota of detection to refer to that the detection quota of distribution is non-vanishing, do not survey quota and refer to that not yet distributing the detection quota of detection quota or distribution is zero.
Further, the method also comprises:
MMS Relay/Server is in the time that the probe response number of success of the opposite end of abnormality network element accumulative total equals to survey the described initial value of quota, judge that this opposite end network element all returns to success response for all probe requests thereby that issue, the state that this opposite end network element reset to is normal;
When judging that the normal opposite end of the state of resetting to network element is main opposite end network element, by this main opposite end network element of business switchback operating on the network element of corresponding opposite end for subsequent use.
System and method of the present invention, is automatically switched to business for subsequent use opposite end network element after can being detected in time main opposite end network element and broken down by MMSC; And, can detect in time main opposite end network element and recover the operation of normal rear finishing service switchback automatically.The whole process of the inventive method is all automatically to complete, and without manual intervention, can ensure that multimedia messaging service, MMS still has higher success rate in the time that catastrophic failure appears in main opposite end network element.
Brief description of the drawings
Fig. 1 is the structural representation of the system embodiment that realizes net element business switching of the present invention;
Fig. 2 is the structural representation of net element business switching device shifter embodiment in the MMSC shown in Fig. 1;
Fig. 3 is the flow chart of the embodiment of the method that realizes net element business switching of the present invention;
Fig. 4 is that in the embodiment of the method that realizes net element business switching of the present invention, timing granularity arrives process chart;
Fig. 5 issues request processing flow figure in the embodiment of the method that realizes net element business switching of the present invention;
Fig. 6 receives response process chart in the embodiment of the method that realizes net element business switching of the present invention.
Embodiment
Explain technical scheme of the present invention below in conjunction with accompanying drawing and preferred embodiment.The embodiment below exemplifying is only for description and interpretation the present invention, and do not form the restriction to technical solution of the present invention.
The structure of the system embodiment that realizes net element business switching of the present invention as shown in Figure 1, comprises MMSC and opposite end network element, wherein:
MMSC, for sending request to opposite end network element, waits for the response of opposite end network element;
Opposite end network element, after the request receiving MMSC, if this network element state normally returns to success response to MMSC, otherwise returns to failure response to MMSC.
MMSC sends request to opposite end network element, at set intervals according to the running status of the response statistical analysis opposite end network element of the opposite end network element received, and the foundation of switch net element business as whether.Be preferably in timing granularity according to the running status of the response statistical analysis opposite end network element of the opposite end network element of receiving.
Opposite end network element comprises main opposite end network element and opposite end for subsequent use network element.Generally speaking, by main opposite end network element bearer service; Occur when abnormal, bearing business by opposite end for subsequent use network element at it temporarily.Certainly, also can multiple opposite ends network element active and standby network element each other.
In addition, MMSC is responsible for preservation and the forwarding of multimedia service message, receive the multimedia service message of being submitted to by user, value-added service platform (VASP) or other MMSC, then carry out authentication by DSMP network element, or by ENUM DNS inquiring user ownership MMSC information, or issue notice message and user's delivery report message to SMSC.
Opposite end network element comprises DSMP, one or more in ENUM DNS and SMSC.
Before going on to say technical scheme of the present invention, be first described as follows realizing the term that this technical scheme uses:
Request issues number of times, and the request message that each opposite end network element is issued is counted, and responds into power for the request of adding up in timing granularity.
Response success number of times, the success response that each opposite end network element is issued to request message is counted, and responds into power for the request of adding up in timing granularity.
Survey quota, whether recover normal parameter for surveying opposite end network element, its initial value is by system intialization.
Probe response number of success, the success response that each opposite end network element is issued to probe request message is counted, and responds into power for the probe requests thereby of adding up in timing granularity.
When timing granularity starts timing, if opposite end network element state is abnormality, for distributing, it surveys quota.
When opposite end network element is abnormality, but its detection quota is non-vanishing, is probe message still to its transmission business, and by this service identification, and every to a probe message of its transmission, it is surveyed quota and subtracts 1.
Receive after the failure response of probe message, think that opposite end network element is still abnormal, will survey quota zero setting, stop its detection; Receive the success response of probe message, by cumulative probe message number of success 1, when this probe message number of success equals to survey the initial value of quota, judge all response success of all probe message, think that this end network element recovers normal, is set to the state of this opposite end network element normally.
Normal condition, in the time knowing opposite end network element in normal condition by statistical analysis, all service messages that should be sent to this opposite end network element directly send to this opposite end network element.
Abnormality, in the time knowing opposite end network element in abnormality by statistical analysis, if there is service message should be sent to this opposite end network element,, in the time judging that it has the quota of detection, is sent to this opposite end network element by service message; Otherwise need check whether its opposite end for subsequent use network element can be used, be its opposite end for subsequent use network element in normal condition or in abnormality but have in the situation of surveying quota, if available, service message is sent to this opposite end for subsequent use network element, if unavailable, service message is still sent to main opposite end network element.
The structure of net element business switching device shifter embodiment in MMSC as shown in Figure 2, comprises that the response processing module, time block and the request that connect successively issue module, wherein:
Time block, in preset timing granularity, the request of adding up each opposite end network element responds into power, and response success number of times and the request of each opposite end network element that resets issue number of times; , corresponding opposite end network element state is set to extremely during lower than default threshold value in the service success rate that has a statistics, and notifies respectively to request and issue module and response processing module; Distribute detection quota for being set to the opposite end network element of abnormal state under last time granularity;
The request that time block is added up each opposite end network element in timing granularity responds into power, equals response success number of times/request and issues number of times.
Request issues module, for normally whether determining according to the state of opposite end network element sends a request message to main opposite end network element or to opposite end for subsequent use network element;
Request issue module at main opposite end network element state normal or abnormal state but while having the quota of detection, request message is handed down to main opposite end network element; In the time that main opposite end network element state is surveyed quota extremely and not, request message is handed down to the normal or abnormal state of state but has the opposite end for subsequent use network element of surveying quota; To be sent out the abnormal state of request message but have the main opposite end network element of quota of detection and/or opposite end for subsequent use network element to survey accordingly quota and deduct 1, and corresponding request message is designated to probe requests thereby; The request that accumulative total is issued the opposite end network element of request message issues number of times.
Judge whether opposite end network element has detection quota, for example judge whether the detection quota of this opposite end network element is greater than zero.
In addition, the present invention can also adopt otherwise processed to survey quota in other embodiments, for example: 1) when unallocated detection quota, the value of this detection quota is negative integer; 2) distribute while surveying quota, the initial value of this detection quota is one and is greater than zero positive integer; 3) judge when whether opposite end network element has the quota of detection, judge that whether the detection quota of this opposite end network element is for equalling zero or minus integer.
Request issues module in the time that opposite end for subsequent use network element state is surveyed quota extremely and not, will ask message to be handed down to main opposite end network element.
Response processing module, issues module with request and is connected, and adds up the response success number of times of this opposite end network element for the response message returning according to every pair of end network element of receiving; , surveyed quota zero clearing, and stop it continuing to survey in abnormality and return to the opposite end network element of probe message failure response for; For all returning to successful opposite end network element in abnormality and all probe message, be set to normal condition, zero clearing is surveyed to quota simultaneously and issued module with the opposite end network element notice request that is set to normal condition.
Net element business switching device shifter embodiment shown in Fig. 2 also comprises the net element business handover module being connected with response processing module, wherein:
Response processing module passs on the opposite end network element that is set to the opposite end network element of normal condition and/or the abnormal state of time block notice to net element business handover module;
Net element business handover module, in the time that the corresponding opposite end for subsequent use of network element, the main opposite end network element state that judges abnormal state is normal, is switched to the business of this main opposite end network element on this opposite end for subsequent use network element; Judging that the opposite end network element that is set to normal condition is main opposite end network element, by this main opposite end network element of business switchback operating on the network element of corresponding opposite end for subsequent use.
The present invention is directed to said system embodiment, correspondingly also provide and realize the embodiment of the method that net element business switches, its flow process as shown in Figure 3, comprises the steps:
310:MMSC sends request to opposite end network element, waits for the response of opposite end network element;
320: opposite end network element, receiving after MMSC request, normally or extremely returns successfully or failure response according to the state of this network element.
Opposite end network element comprises main opposite end network element and opposite end for subsequent use network element.Generally speaking, bear business by main opposite end network element; Occur when abnormal, bearing business by opposite end for subsequent use network element at it temporarily.Certainly, also can multiple opposite ends network element active and standby network element each other.
Flow process shown in Fig. 3 also comprises step:
330:MMSC is at set intervals according to the running status of response statistical analysis opposite end network element of receiving opposite end network element, the foundation of switch net element business as whether.
Be preferably the running status of statistical analysis opposite end network element in timing granularity.
Particularly, comprising:
MMSC is in the time sending request to opposite end network element, and the request of this opposite end network element of accumulative total issues number of times; In the time receiving the response that opposite end network element returns, the response success number of times of this opposite end network element of accumulative total; The request of adding up each opposite end network element in timing granularity responds into power, equals response success number of times/request and issues number of times; When the service success rate that has a statistics is during lower than default threshold value, corresponding opposite end network element state is set to extremely; Be set to the abnormal corresponding opposite end for subsequent use of network element, main opposite end network element state when normal at judgement state, the business of this main opposite end network element is switched on this opposite end for subsequent use network element.
As shown in Figure 4, be the handling process that in said method embodiment of the present invention, MMSC starts timing granularity, it is the timing granularity (as being 1 minute) that a timer creating when the system initialization by MMSC is realized.The timing preset when timer arrives, and represents that new timing granularity starts, and comprises the steps:
401: the request of adding up each opposite end network element of a upper time granularity responds into power, equal response success number of times/request and issue number of times;
402: response success number of times and the request of each opposite end network element that resets issue number of times (as zero clearing), for the opposite end network element of abnormal state distributes the detection quota that is predisposed to initial value;
403: the request that judges opposite end network element responds into power and whether is less than setting threshold, is to perform step 404, otherwise process ends;
404: this opposite end network element is set to abnormal state, to postpone to its transmission business; Process ends.
As shown in Figure 5, be that in said method embodiment of the present invention, MMSC, according to the handling process that issues object of the Determines request message of opposite end network element, comprises the steps:
501: receive the request message that will be issued to opposite end network element;
502: judging that whether main opposite end network element state is normal, is to perform step 503, otherwise execution step 504;
503: request message is issued to this main opposite end network element, and this main opposite end request corresponding to network element of accumulative total issues number of times; Process ends;
504: judge whether this main opposite end network element has detection quota, is to perform step 505, otherwise execution step 506;
At this, judge whether this main opposite end network element has detection quota, for example judge whether the detection quota of this main opposite end network element is greater than zero.
505: this request message is designated to probe message, and corresponding detection quota subtracts 1; Execution step 503;
506: whether the state that judges opposite end for subsequent use network element is normal, be to perform step 507, otherwise execution step 508;
507: this request message is issued to this opposite end for subsequent use network element, and this opposite end for subsequent use request corresponding to network element of accumulative total issues number of times; Process ends;
508: judge whether this opposite end network element for subsequent use has detection quota, is to perform step 509, otherwise execution step 503;
At this, judge whether this opposite end for subsequent use network element has detection quota, for example judge whether the value of the detection quota of this opposite end for subsequent use network element is to be greater than zero integer.
509: this request message is designated to probe message, corresponding detection quota is subtracted to 1; Execution step 507.
As shown in Figure 6, be that in said method embodiment of the present invention, MMSC, according to receiving the operating process that opposite end network element response message carries out opposite end network element state switching, comprises the steps:
601: receive the response message that opposite end network element returns issuing request;
602: determining whether success response, is to perform step 603, otherwise execution step 608;
603: response success number of times corresponding to this opposite end network element of accumulative total;
604: judge this response message corresponding whether be probe requests thereby, be to perform step 605, otherwise process ends;
605: probe response number of success corresponding to this opposite end network element of accumulative total;
606: judge all probe message response success that this opposite end network element is corresponding whether all, whether whether this corresponding probe response number of success identical with detection quota initial value, is to perform step 607, otherwise process ends;
All probe message are all returned to success response, represent that this opposite end network element has recovered normally, and putting it is that state is normal, can be by business from its network element switchback for subsequent use.
607: this opposite end network element is made as to state normal, process ends;
608: judge this response message corresponding whether be probe requests thereby, be to perform step 609, otherwise process ends;
609: detection quota corresponding this opposite end network element is set to zero, process ends.
Survey in the opposite end of abnormality network element whether recover normal by probe request message, if return to failure response corresponding to probe request message, show that opposite end network element recovers not yet, continue to survey nonsensical, so survey quota zero clearing, stop in time granularity its detection.
The present invention, by said system and embodiment of the method, makes MMSC can judge in time that opposite end network element breaks down, and automatically completes according to this handover operation of net element business; Survey by timing the network element breaking down simultaneously, can find that it recovers normal rear finishing service rewind operations automatically.And whole operating process completes automatically without manual intervention, in the time that catastrophic failure appears in main opposite end network element, still can ensure that multimedia messaging service, MMS has higher success rate.
The above is only the specific embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (8)

1. in multimedia messaging service, MMS, realize the system that net element business switches, comprise MMS Relay/Server and opposite end network element, it is characterized in that:
Described MMS Relay/Server, for sending request to described opposite end network element, waits for the network element response of described opposite end;
Described opposite end network element, for receiving after the request of described MMS Relay/Server transmission, normally or extremely returns successfully or failure response to described MMS Relay/Server according to this network element state;
Described opposite end network element comprises main opposite end network element and opposite end for subsequent use network element, wherein:
Described main opposite end network element, for bearer service in the time that state is normal;
Described opposite end for subsequent use network element, for bear business temporarily in the time that abnormal state appears in described main opposite end network element;
Or multiple opposite ends network element is described main opposite end network element and described opposite end for subsequent use network element each other;
Described MMS Relay/Server comprises that the response processing module, time block and the request that connect successively issue module, wherein:
Described response processing module, for the response accumulative total response success number of times returning according to every pair of end network element of receiving;
Described time block, the request of adding up each opposite end network element for the business who issues number of times according to described response success number of times and request in preset timing granularity responds into power; When the service success rate that has a statistics is during lower than default threshold value, corresponding opposite end network element state is set to extremely, and notice issues module to described request;
Described request issues module, issues described request for normally whether determining according to the state of described opposite end network element to described main opposite end network element or to described opposite end for subsequent use network element, and the described request that accumulative total is issued the opposite end network element of described request issues number of times;
Described time block also responds into after power in the request of having added up described each opposite end network element, response success number of times and the request of described opposite end network element of resetting issues number of times, and distributes the detection quota that is predisposed to initial value for the opposite end network element that has been set to abnormal state under last time granularity; State is set to abnormal described opposite end network element also to be notified to described response processing module;
Described response processing module also issues module with described request and is connected, and in the described response success number of times of accumulative total, accumulative total is in abnormality and return to the probe response number of success of the opposite end network element of success response for probe requests thereby; By in abnormality and return to the detection quota zero clearing corresponding to opposite end network element of failure response for probe requests thereby;
Described request issue module at described main opposite end network element state normal or abnormal state but while having the quota of detection, described request is handed down to main opposite end network element; In the time that described main opposite end network element state is surveyed quota extremely and not, described request is handed down to the normal or abnormal state of state but has the opposite end for subsequent use network element of surveying quota; To be sent out the abnormal state of described request but have the main opposite end network element of quota of detection and/or opposite end for subsequent use network element to survey accordingly quota and deduct 1, and be described probe requests thereby by corresponding request mark; Described to have the quota of detection be that the value of described detection quota is non-vanishing, and described not survey the value that quota refers to described detection quota be zero;
Described MMS Relay/Server also comprises the net element business handover module being connected with described response processing module, wherein:
Described response processing module is in the time equaling the described initial value of described detection quota to the described probe response number of success adding up in the opposite end of abnormality network element, judge that this opposite end network element all returns to success response for all probe requests thereby that issue, this opposite end network element is set to state normal, simultaneously by detection quota corresponding zero clearing; The opposite end network element that is set to the opposite end network element of normal condition and/or the abnormal state of described time block notice is pass on to net element business handover module;
Described net element business handover module, in the time that the corresponding opposite end for subsequent use of network element, the main opposite end network element state that judges abnormal state is normal, is switched to the business of this main opposite end network element on this opposite end for subsequent use network element; Judging that the normal opposite end of state network element is main opposite end network element, by this main opposite end network element of business switchback operating on the network element of corresponding opposite end for subsequent use.
2. according to system claimed in claim 1, it is characterized in that,
Described MMS Relay/Server is at set intervals according to the state of receiving opposite end network element described in the response statistical analysis of described opposite end network element, the foundation of switch net element business as whether.
3. in multimedia messaging service, MMS, realize the MMS Relay/Server that net element business switches, comprise that the response processing module, time block and the request that connect successively issue module, wherein:
Described response processing module, for the response accumulative total response success number of times returning for the request that issues according to every pair of end network element of receiving;
Described time block, the request of adding up each opposite end network element for the business who issues number of times according to described response success number of times and request in preset timing granularity responds into power; When the service success rate that has a statistics is during lower than default threshold value, corresponding opposite end network element state is set to extremely, and notice issues module to described request;
Described request issues module, issues described request for normally whether determining according to the state of described opposite end network element to main opposite end network element or to opposite end for subsequent use network element, and the described request that accumulative total is issued the opposite end network element of described request issues number of times;
Described time block also responds into after power in the request of having added up described each opposite end network element, response success number of times and the request of described opposite end network element of resetting issues number of times, and distributes the detection quota that is predisposed to initial value for the opposite end network element that has been set to abnormal state under last time granularity; State is set to abnormal described opposite end network element also to be notified to described response processing module;
Described response processing module also issues module with described request and is connected, and in the described response success number of times of accumulative total, accumulative total is in abnormality and return to the probe response number of success of the opposite end network element of success response for probe requests thereby; By in abnormality and return to the detection quota zero clearing corresponding to opposite end network element of failure response for probe requests thereby;
Described request issue module at described main opposite end network element state normal or abnormal state but while having the quota of detection, described request is handed down to main opposite end network element; In the time that described main opposite end network element state is surveyed quota extremely and not, described request is handed down to the normal or abnormal state of state but has the opposite end for subsequent use network element of surveying quota; To be sent out the abnormal state of described request but have the main opposite end network element of quota of detection and/or opposite end for subsequent use network element to survey accordingly quota and subtract 1, and be described probe requests thereby by corresponding request mark; Described have the quota of detection to refer to that the value of described detection quota is non-vanishing, and described not survey the value that quota refers to described detection quota be zero;
Described MMS Relay/Server also comprises the net element business handover module being connected with described response processing module, wherein:
Described response processing module is in the time equaling the described initial value of described detection quota to the described probe response number of success adding up in the opposite end of abnormality network element, judge that this opposite end network element all returns to success response for all probe requests thereby that issue, this opposite end network element is set to state normal, simultaneously by detection quota corresponding zero clearing; The opposite end network element that is set to the opposite end network element of normal condition and/or the abnormal state of described time block notice is pass on to net element business handover module;
Described net element business handover module, in the time that the corresponding opposite end for subsequent use of network element, the main opposite end network element state that judges abnormal state is normal, is switched to the business of this main opposite end network element on this opposite end for subsequent use network element; Judging that the normal opposite end of state network element is main opposite end network element, by this main opposite end network element of business switchback operating on the network element of corresponding opposite end for subsequent use.
4. in multimedia messaging service, MMS, realize the method that net element business switches, relate to MMS Relay/Server and opposite end network element, the method comprises:
Described MMS Relay/Server sends request to described opposite end network element, waits for the response of opposite end network element;
Described opposite end network element, receiving after the described request of described MMS Relay/Server transmission, normally or extremely returns successfully or failure response to described MMS Relay/Server according to this network element state;
Receive the response that described opposite end network element returns in a predetermined timing granularity time, the response success number of times of this opposite end network element of accumulative total; The described request that the business who issues number of times according to described response success number of times and described request in described timing granularity adds up each opposite end network element responds into power; When the service success rate that has a statistics is during lower than default threshold value, corresponding opposite end network element is set to abnormal state; Normally whether determine to issue described request to main opposite end network element or opposite end for subsequent use network element according to the state of described opposite end network element;
Be set to the abnormal corresponding opposite end for subsequent use of network element, main opposite end network element state when normal at judgement state, the business of this main opposite end network element is switched on this opposite end for subsequent use network element;
Described MMS Relay/Server is in the described response success number of times of accumulative total, also add up in abnormality and return to the probe response number of success of the opposite end network element of success response for probe requests thereby, and by abnormality and return to the detection quota zero clearing corresponding to opposite end network element of failure response for probe requests thereby;
Respond into after power in the request of having added up described each opposite end network element, response success number of times and the request of the described opposite end network element that also resets issue number of times, and are predisposed to the detection quota of initial value for being set to the opposite end network element distribution of abnormal state under last time granularity.
5. in accordance with the method for claim 4, it is characterized in that, also comprise:
Described MMS Relay/Server at set intervals according in the success of returning of every pair of end network element or the state of the every pair of end network element of failure response statistical analysis received, the foundation of switch net element business as whether.
6. according to the method for claim 5, it is characterized in that, described opposite end network element comprises main opposite end network element and opposite end for subsequent use network element, wherein:
Described main opposite end network element bearer service in the time that state is normal, described opposite end for subsequent use network element is born business in the time that abnormal state appears in described main opposite end network element temporarily; Or multiple opposite ends network element is described main opposite end network element and described opposite end for subsequent use network element each other.
7. according to the method for claim 6, it is characterized in that, whether described MMS Relay/Server normally determines to issue described request to described main opposite end network element or described opposite end for subsequent use network element according to the state of described opposite end network element, refers to:
Normal or the abnormal state at described main opposite end network element state but while having the quota of detection, described request is handed down to main opposite end network element; In the time that described main opposite end network element state is surveyed quota extremely and not, described request is handed down to the normal or abnormal state of state but has the opposite end for subsequent use network element of surveying quota; To be sent out the abnormal state of request but have the main opposite end network element of quota of detection and/or opposite end for subsequent use network element to survey accordingly quota and deduct one, and be described probe requests thereby by corresponding request mark; Described have the quota of detection to refer to that the detection quota of distribution is non-vanishing, and the described quota of not surveying refers to that not yet distributing the detection quota of detection quota or distribution is zero.
8. according to the method for claim 7, it is characterized in that, also comprise:
Described MMS Relay/Server is in the time that the described probe response number of success of the opposite end of abnormality network element accumulative total equals the described initial value of described detection quota, judge that this opposite end network element all returns to success response for all probe requests thereby that issue, the state that this opposite end network element reset to is normal;
When judging that the normal opposite end of the state of resetting to network element is main opposite end network element, by this main opposite end network element of business switchback operating on the network element of corresponding opposite end for subsequent use.
CN201010517462.2A 2010-10-22 2010-10-22 System and method for realizing network element service switching in multimedia messaging service Expired - Fee Related CN101977396B (en)

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