CN100391169C - Service retention method and device when attribute being switched - Google Patents
Service retention method and device when attribute being switched Download PDFInfo
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- CN100391169C CN100391169C CNB2006100348015A CN200610034801A CN100391169C CN 100391169 C CN100391169 C CN 100391169C CN B2006100348015 A CNB2006100348015 A CN B2006100348015A CN 200610034801 A CN200610034801 A CN 200610034801A CN 100391169 C CN100391169 C CN 100391169C
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Abstract
The present invention relates to a method for keeping business when double attribution is switched. Two soft exchange devices which are used for managing different network ranges are arranged into a double attribution soft exchange device, and the main and sub attribution relationship between the double attribution soft exchange device and a media gateway is established. The method comprises steps: when the two soft exchange devices need to be switched, the sub attribution soft exchange device receives all media gateways of the main attribution soft exchange device; the sub attribution soft exchange device controls the main attribution soft exchange device to restore physical endpoints of an idle state of the media gateway. When the method is adopted to realize the double attribution, the smooth switching of the business is improved when a system is switched, and the problem of resource waste is solved.
Description
Technical field
The present invention relates to the communications field, method for holding business and device thereof when relating in particular to dual-homed the switching.
Background technology
Along with the user is more and more higher to the requirement of network security reliability and network throughput, operator must just introduce enough capacity and various diversity means in network when planned network, so that provide enough service ability to the user, reduce the influence that fault causes as far as possible, improve priority restores ability, dual access capability and multiple routing ability of network or the like.But then,, not only can cause the increase of networking cost and maintenance management cost if adopt the mode of active and standby usefulness for core control or treatment facility, even also can be owing to stand-by equipment idle caused the bigger wasting of resources.
Therefore, under the taking all factors into consideration of several respects factors such as device integration, cost, disaster tolerance ability and internet security, introduced dual-homed notion, its role is to prevent network large tracts of land paralysis machine or in the mechanism that communication occurs promptly to provide when the burst fire-disaster accident takes place, the rapid recovery capability of devices communicating when being provided at extreme abnormal conditions and taking place.Described here is dual-homed, actually be meant a kind of special terminal connection method, make each need Softswitch to provide the terminal of service to link to each other with two Softswitch simultaneously, be that same terminal belongs to two Softswitch, one is main, one is can provide service by in affiliated two Softswitch any one from, described terminal.Because between terminal and the Softswitch and main home soft exchange device and from utilizing core I P net or dedicated Internet access between the home soft exchange device, in order to reduce network bandwidth pressure, main home soft exchange device and from the real-time business datum of synchronous dynamic not between the home soft exchange device only keeps the static data configuration consistency.
When detecting main home soft exchange device and break down, take over all media gateway that described main home soft exchange device is managed from home soft exchange device, and to described media gateway initiation reset request, application resets with the synchronized repeated circuit state to all physics destination nodes of media gateway.
But, all physics destination nodes of described media gateway existing business that can cause carrying on the media gateway that resets is interrupted, can't realize professional smoothly switching, thereby reduce user satisfaction.
Summary of the invention
In view of this, method for holding business and device thereof when main purpose of the present invention is to provide a kind of dual-homed the switching, realize dual-homed in, business smoothly switched when the realization system was switched.
For achieving the above object, technical scheme of the present invention is achieved in that
Method for holding business during a kind of dual-homed switch, the Softswitch that two management heterogeneous networks scopes are set is a dual home soft switching device, and set up principal and subordinate's attaching relation between described dual home soft switching device and the media gateway, this method may further comprise the steps:
A, when two Softswitch need switch, take over the media gateway that main home soft exchange device is controlled from home soft exchange device;
B, send the first audit request to described media gateway of taking over from main home soft exchange device from home soft exchange device, and according to the first audit response message that media gateway is returned the physics destination node of idle condition is resetted, the described first audit response message carries physics destination node state information.
In the described first audit response message,, also carry the association identification of occupied destination node correspondence for the physics destination node of seizure condition;
Described method also comprises step C:
C1: obtain related physics destination node and non-physics destination node information down according to the association identification of carrying the first audit response message from home soft exchange device;
C2: IP address and the port numbers of obtaining the opposite end media gateway from home soft exchange device according to non-physics destination node information under the association;
C3: from home soft exchange device according to the IP address of the related information that obtains and opposite end media gateway and the loaded state of professional each side of port numbers reconstruct.
Described step C1 is specially:
Send second audit request according to the association identification of carrying the first audit response message to the media gateway of main home soft exchange device from home soft exchange device, and from the second audit response message that media gateway is returned, obtain related physics destination node and non-physics destination node information down.
Described step C2 is specially:
Send three audit request according to non-physics destination node information under the association to main home soft exchange device from home soft exchange device, and from the 3rd audit response message that media gateway is returned, obtain the IP address and the port numbers of opposite end media gateway.
A kind of Softswitch, described equipment comprises:
The switching services control module, all business that are used to take over another Softswitch;
The first audit module is used for all relayings and user's corresponding physical destination node of described another Softswitch management are audited, and obtains the state information of described physics destination node, wherein the state of physics destination node comprise take, free time and fault;
Reseting module, being used for the first audit module auditing result is that the physics destination node of idle condition resets.
The described first audit module also can be obtained the association identification of seizure condition physics destination node correspondence.
This Softswitch also comprises the second audit module, initiates audit for the second time according to the association identification that the first audit module is obtained, and obtains the information of all non-physics destination nodes under the described association.
This Softswitch also comprises the 3rd audit module, initiates audit for the third time according to the information of all non-physics destination nodes under the association of obtaining, and obtains the IP address and the port numbers of opposite end media gateway.
This Softswitch also comprises the carrying reconstructed module, set up all destination nodes and the IP address of opposite end media gateway and the corresponding relation between the port numbers related and that comprise according to the second audit module and the 3rd information obtained of audit module, and finish the reconstruct of each side loaded state of business.
After carrying out dual-homed switching, send the audit request by media gateway to main home soft exchange device, application is audited to all physics destination nodes of described media gateway, and reset according to the audit response message of the media gateway physics destination node to idle condition, thereby business smoothly switching and increasing customer satisfaction degree when realizing dual-homed the switching.
In addition, by the loaded state of professional each side of reconstruct, solved the dual-homed problem of switching the back resource from suspending.
Description of drawings
Fig. 1 is the networking schematic diagram of the double attaching system of an embodiment of the present invention;
Fig. 2 is the high-level schematic functional block diagram of the Softswitch of an embodiment of the present invention;
Fig. 3 is the high-level schematic functional block diagram of the Softswitch of another execution mode of the present invention;
Fig. 4 is the flow chart of the dual-homed implementation method of an embodiment of the present invention;
Fig. 5 is the flow chart of the dual-homed implementation method of another execution mode of the present invention.
Embodiment
See also Fig. 1, Fig. 1 is the networking schematic diagram of the double attaching system of an embodiment of the present invention, two Softswitch are set in dual-homed system, promptly main home soft exchange device and from home soft exchange device, can carry out the maintenance and the negotiation of state between described two Softswitch, and realize the non-real-time data backup or come Backup Data by maintenance command.
Similar entity and the function unanimity that provides are provided described two Softswitch, otherwise, will be inconsistent and do not support dual-homed function, each Softswitch to cover and control certain zone respectively owing to function, as: metropolitan area 1 and metropolitan area 2.In the present embodiment, main home soft exchange device is the main home soft exchange device of metropolitan area 1, for metropolitan area 2 from home soft exchange device; Equally, be the main home soft exchange device of metropolitan area 2 from home soft exchange device, for metropolitan area 1 from home soft exchange device.
Each media gateway in Softswitch lower floor all is respectively arranged with relatively independent passage and links to each other with two Softswitch.As: the passage when metropolitan area 1 and metropolitan area 2 and main home soft exchange device, solid line between home soft exchange device are operate as normal, dotted line are break down alternate channel when maybe needing to switch of current Softswitch.In other words be exactly, for each media gateway, all link to each other simultaneously with two Softswitch, respectively as the main home soft exchange device of oneself with from home soft exchange device, promptly at dual home soft switching device and media gateway, must there be two kinds of incidence relations: main ownership or from ownership, and irrelevant with concrete physical location.
Under normal condition, all the draw oneself up media gateway etc. of metropolitan area of each Softswitch, but when one of them Softswitch produces fault or user and needs, another Softswitch will be taken over the media gateway that described fault Softswitch is controlled.Two Softswitch can be positioned at different geographic areas physically, and in Beijing, another Softswitch is in Shanghai such as: Softswitch, so that the long-distance disaster ability of big capacity office to be provided.Wherein the detailed description of Softswitch is asked for an interview Fig. 2 explanation.
See also Fig. 2, Fig. 2 is the high-level schematic functional block diagram of the Softswitch of an embodiment of the present invention, and described Softswitch comprises switching services control module, audit module and reseting module, wherein:
Described switching services control module is used to take over all business of another Softswitch.
Described audit module is used for all relayings and user's corresponding physical destination node of described another Softswitch management are audited, and obtains the state information of described physics destination node, wherein the state of physics destination node comprise take, free time and fault.
Described reseting module is used for the physics destination node of idle condition is resetted.
See also Fig. 3, Fig. 3 is the high-level schematic functional block diagram of the Softswitch of another execution mode of the present invention, and described Softswitch comprises switching services control module, the first audit module, reseting module, alarm prompt module, the second audit module, the 3rd audit module, carrying reconstructed module wherein:
Described switching services control module is used to take over all business of another Softswitch.
The described first audit module is used for all relayings and user's corresponding physical destination node of described another Softswitch management are audited, and obtains the state information of described physics destination node, wherein the state of physics destination node comprise take, free time and fault.For the physics destination node of seizure condition, the first audit module also can be obtained the association identification Context ID of described physics destination node correspondence.
Described reseting module is used for the physics destination node of idle condition is resetted.
The physics destination node that described alarm prompt module is used for breaking down is designated malfunction and generates alarm prompt.
The association identification that the described second audit module is obtained according to the first audit module is initiated audit for the second time, and obtains the information of all non-physics destination nodes under the described association.
Described the 3rd audit module is initiated audit for the third time according to the information of all non-physics destination nodes under the association of obtaining, and obtains the IP address and the port numbers of opposite end.
Described carrying reconstructed module is set up all destination nodes and the IP address of opposite end media gateway and the corresponding relation between the port numbers related and that comprise according to the second audit module and the 3rd information obtained of audit module, and then finishes the reconstruct of loaded state.
See also Fig. 4, Fig. 4 is the flow chart of the dual-homed implementation method of an embodiment of the present invention, specifically comprises step:
(1) when detecting main home soft exchange device and breaks down, the media gateway of main home soft exchange device is to send register requirement Service Change message from home soft exchange device, notice is taken over professional from home soft exchange device, the Resources allocation state is constant to keep all simultaneously.
(2) receive login request message from home soft exchange device after, activate the static data configuration, and initiate audit request Audit Value message to media gateway.
(3) media gateway is audited to all relayings and user's corresponding physical destination node successively, and to the response message of auditing from the home soft exchange device feedback, carry the state information of physics destination node in the wherein said audit response message, the state of described physics destination node comprise take, free time and fault.
(4) the audit response message that feeds back according to media gateway from home soft exchange device carries out respective handling: for the physics destination node of seizure condition, from home soft exchange device described physics destination node is designated seizure condition; For the physics destination node of idle condition, initiate the synchronous reset request from home soft exchange device to media gateway, application resets to described physics destination node; For the physics destination node that breaks down, from home soft exchange device described physics destination node is designated malfunction, and generates alarm prompt.
See also Fig. 5, Fig. 5 is the flow chart of the dual-homed implementation method of another execution mode of the present invention, specifically comprises step:
(11) when detecting main home soft exchange device and break down, the media gateway of main home soft exchange device is to send register requirement Service Change message from home soft exchange device, notice is taken over professional from home soft exchange device, the Resources allocation state is constant to keep all simultaneously.
(12) receive login request message from home soft exchange device after, activate the static data configuration, and initiate audit request Audit Value message to media gateway.
(13) media gateway successively all relayings are audited with user's corresponding physical destination node and judge described physics destination node whether be contained in specific related in, and to the response message of auditing from home soft exchange device feedback first, carry physics destination node state information in the wherein said first audit response message, when existing the physics destination node occupied, also carry the association identification Context ID of described physics destination node correspondence in the first audit response message.
(14) the first audit response message that feeds back according to media gateway from home soft exchange device carries out respective handling: for the physics destination node of idle condition, initiate the synchronous reset request from home soft exchange device to media gateway, application resets to described physics destination node, and media gateway resets according to the physics destination node of reset request to idle condition; For the physics destination node that breaks down, from home soft exchange device described physics destination node is designated malfunction, and generates alarm prompt; For the physics destination node of seizure condition, described physics destination node is designated seizure condition from home soft exchange device.
(15) initiate for the second time audit request according to the association identification of media gateway feedback to media gateway from home soft exchange device.
(16) obtain the information of all physics destination nodes and non-physics destination node under the described association according to the second audit response message of media gateway feedback from home soft exchange device.
(17) initiate for the third time audit request according to non-physics destination node information to media gateway from home soft exchange device.
For can be complete the corresponding relation of professional each side of reconstruct, the present invention carries out part expansion to agreement H.248, wherein the H.248 order primitive of audit operation is for the third time:
CommandRequest
auditValueRequest
terminationID
auditDescriptor
mediaToken
After H.248 agreement expands, to the 3rd audit request information that media gateway sends, also carry the audit sign that notice is returned media gateway IP address, opposite end and port numbers from home soft exchange device.
(18) from IP address and the port numbers of home soft exchange device according to the 3rd audit response message acquisition opposite end media gateway of media gateway feedback.
Wherein the H.248 order primitive of the 3rd audit response message is:
CommandReply
auditValueReply
auditResult
terminationID
terminationAuditResult
mediaDescriptor
streams
oneStream/multiStream
streamParms
remoteDescriptor
(19) from home soft exchange device above-mentioned all information that it obtains are analyzed, and set up all destination nodes and the IP address of opposite end media gateway and the corresponding relation between the port numbers related and that comprise, and then finish the reconstruct of professional each side loaded state.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (10)
1. the method for holding business during dual-homed switch, the Softswitch that two management heterogeneous networks scopes are set is a dual home soft switching device, and set up principal and subordinate's attaching relation between described dual home soft switching device and the media gateway, it is characterized in that the method comprising the steps of:
A, when two Softswitch need switch, take over the media gateway that main home soft exchange device is controlled from home soft exchange device;
B, send the first audit request to described media gateway of taking over from main home soft exchange device from home soft exchange device, and according to the first audit response message that media gateway is returned the physics destination node of idle condition is resetted, the described first audit response message carries physics destination node state information.
2. the method for holding business during dual-homed switch according to claim 1 is characterized in that,
In the described first audit response message,, also carry the association identification of occupied destination node correspondence for the physics destination node of seizure condition.
3. the method for holding business during dual-homed switch according to claim 2 is characterized in that described method also comprises step C:
C1: obtain related physics destination node and non-physics destination node information down according to the association identification of carrying the first audit response message from home soft exchange device;
C2: IP address and the port numbers of obtaining the opposite end media gateway from home soft exchange device according to non-physics destination node information under the association;
C3: from home soft exchange device according to the IP address of the related information that obtains and opposite end media gateway and the loaded state of professional each side of port numbers reconstruct.
4. the method for holding business during dual-homed switch according to claim 3 is characterized in that described step C1 is specially:
Send second audit request according to the association identification of carrying the first audit response message to the media gateway of main home soft exchange device from home soft exchange device, and from the second audit response message that the media gateway of main home soft exchange device is returned, obtain related physics destination node and non-physics destination node information down.
5. the method for holding business during according to claim 3 or 4 described dual-homed switch is characterized in that described step C2 is specially:
Send three audit request according to non-physics destination node information under the association to main home soft exchange device from home soft exchange device, and from the 3rd audit response message that media gateway is returned, obtain the IP address and the port numbers of opposite end media gateway.
6. a Softswitch is characterized in that, described equipment comprises:
The switching services control module, it is professional and notify the processing of auditing of the first audit module to be used to take over all of another Softswitch;
The first audit module is used for all relayings and user's corresponding physical destination node of described another Softswitch management are audited, and obtains the state information of described physics destination node, wherein the state of physics destination node comprise take, free time and fault;
Reseting module, being used for the first audit module auditing result is that the physics destination node of idle condition resets.
7. Softswitch according to claim 6 is characterized in that, the described first audit module also can be obtained the association identification of seizure condition physics destination node correspondence.
8. Softswitch according to claim 7 is characterized in that, this Softswitch also comprises the second audit module, initiates audit for the second time according to the association identification that the first audit module is obtained, and obtains the information of all non-physics destination nodes under the described association.
9. Softswitch according to claim 8, it is characterized in that, this Softswitch also comprises the 3rd audit module, initiates audit for the third time according to the information of all non-physics destination nodes under the association of obtaining, and obtains the IP address and the port numbers of opposite end media gateway.
10. Softswitch according to claim 9, it is characterized in that, this Softswitch also comprises the carrying reconstructed module, set up all destination nodes and the IP address of opposite end media gateway and the corresponding relation between the port numbers related and that comprise according to the second audit module and the 3rd information obtained of audit module, and finish the reconstruct of each side loaded state of business.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100348015A CN100391169C (en) | 2006-03-29 | 2006-03-29 | Service retention method and device when attribute being switched |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2006100348015A CN100391169C (en) | 2006-03-29 | 2006-03-29 | Service retention method and device when attribute being switched |
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| CN1874266A CN1874266A (en) | 2006-12-06 |
| CN100391169C true CN100391169C (en) | 2008-05-28 |
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| CNB2006100348015A Expired - Fee Related CN100391169C (en) | 2006-03-29 | 2006-03-29 | Service retention method and device when attribute being switched |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101374071B (en) * | 2007-08-22 | 2011-03-02 | 中兴通讯股份有限公司 | Method for holding business when control surface component of wireless network controller being fault |
| CN101222766B (en) * | 2008-01-23 | 2011-03-09 | 华为技术有限公司 | Method and device for smoothly processing resource |
| CN101365182B (en) * | 2008-09-23 | 2012-07-04 | 中兴通讯股份有限公司 | Method, system and media gateway implementing relay gateway disaster tolerated uninterrupted call |
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| CN1447606A (en) * | 2002-03-22 | 2003-10-08 | 华为技术有限公司 | Redundant disaster method for realizing adscription of location registers throuth mobile communication operating system |
| US6662308B1 (en) * | 1999-12-21 | 2003-12-09 | Lucent Technologies Inc. | Dual-homing select architecture |
| US20040199662A1 (en) * | 2003-04-02 | 2004-10-07 | Karol Mark J. | System and method to improve the resiliency and performance of enterprise networks by utilizing in-built network redundancy |
| CN1536819A (en) * | 2003-04-11 | 2004-10-13 | 华为技术有限公司 | Method for implementing dual home in next network |
| CN1553651A (en) * | 2003-06-08 | 2004-12-08 | 华为技术有限公司 | User facility double returning method based on multi-protocol label exchange |
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2006
- 2006-03-29 CN CNB2006100348015A patent/CN100391169C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6662308B1 (en) * | 1999-12-21 | 2003-12-09 | Lucent Technologies Inc. | Dual-homing select architecture |
| CN1447606A (en) * | 2002-03-22 | 2003-10-08 | 华为技术有限公司 | Redundant disaster method for realizing adscription of location registers throuth mobile communication operating system |
| US20040199662A1 (en) * | 2003-04-02 | 2004-10-07 | Karol Mark J. | System and method to improve the resiliency and performance of enterprise networks by utilizing in-built network redundancy |
| CN1536819A (en) * | 2003-04-11 | 2004-10-13 | 华为技术有限公司 | Method for implementing dual home in next network |
| CN1553651A (en) * | 2003-06-08 | 2004-12-08 | 华为技术有限公司 | User facility double returning method based on multi-protocol label exchange |
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