CN101753339B - Method for realizing conference backup function of multi-point control unit and system thereof - Google Patents
Method for realizing conference backup function of multi-point control unit and system thereof Download PDFInfo
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Abstract
A method for realizing a conference backup function of a multi-point control unit (MCU) relates to a conference scheduling management module, one or more backup MCUs (Microprogrammed Control Units) and Gate Keeper (Gk) arranged for one or more MCUs, the method comprises the following steps that: during the downtime of the main MPU, when the conference scheduling management module detects a connection with the main MCU is disconnected and judges that the main MCU is provided with the backup MCU, the conference scheduling management module stores all of conference status information on the main MCU, and releases the corresponding conference resource; and then informs the Gk to cancel the conference on the main MCU, and hangs up all of the conference terminals in the conference; meanwhile, indicates the backup MCU to re-initialize the conference and call all of the conference terminals, thus entering a normal conference flow. The invention has the advantages of low development cost, completed system function and short performance period, so the invention is an ideal implementation scheme at present.
Description
Technical field
The present invention relates to video conference backup functionality technology, relate in particular to the method and system that realize multipoint control unit (MCU, Multipoint Control Unit) conference backup function in the video conferencing system.
Background technology
Video conference is also referred to as the real-time multimedia multipoint conference unit, mainly realizes the immediate meeting communication function, adopts standard communications protocol (H.323, H.320 waiting) to set up the environment of a cooperation interaction through the synchronous interaction technology.Let the multimedia terminal that is distributed in zones of different join in this environment, media formats such as the video through in real time can be mutual, voice, literal, blank are realized the talks of real-time interactive formula, for building good intercourse platform between enterprises or the enterprise.
MCU is as the core of video conferencing system; Be equivalent to a switch; After will passing through separated in synchronization from the information flow of each meeting field point; Extract information and signalings such as audio frequency, video and data, again with the information of each meeting field point and signaling through same processing module, accomplish processes such as corresponding audio mix or switching, video mix or switching, data broadcasting and Route Selection and meeting control; And the various information that each meeting field point is required reconfigure, and are sent to each corresponding conference terminal equipment.
In some cases; The MCU fault when carrying out momentous conference, in a single day occurs, the attendant can't get rid of and the fault location reason again at short notice, brings great inconvenience then can for user and demonstration; Even causing the paralysis of use, important conference content is missed in delaying of time possibly.At this moment, if start the MCU conference backup function, can satisfy urgent meeting and recover requirement, shorten the recovery time of the system failure, this is self-evident as far as its real value of user.
And the design of existing startup MCU conference backup function needs to increase a proxy module proxy and realizes main with the communication between MCU and the spare MCU, to realize active and standby switching.But because proxy carries out through ICP/IP protocol with communicating by letter between MCU, the spare MCU with main, its processing procedure bothers and is difficult to and realizes very much; And active and standby reversed process needs the user to carry out the secondary configuration, therefore makes the recovery of meeting take a long time.
Summary of the invention
Technical problem to be solved by this invention provides a kind of method and system that realize conference backup function of multi-point control unit; Can when the MCU fault occurring, start the MCU conference backup function immediately, satisfy the requirement of emergent restoring meeting and shortening system recovery time.
In order to solve the problems of the technologies described above; The invention provides a kind of method that realizes conference backup function of multi-point control unit; Relate to conference dispatching administration module, one or more main one or more backup MCU and gatekeeper Gk that is equipped with multipoint control unit MCU, this method comprises:
The conference dispatching administration module is occurring mainly with the MCU machine situation of delaying, and when detecting disconnections that be connected with MCU with this master, and this master of judgement is equipped with MCU and backs up MCU, then preserves this master with the last all conference status information of MCU, and discharges corresponding conferencing resource; Notify Gk will lead then and nullify, and hang up all conference terminals in the meeting with the meeting on the MCU; Indicate spare MCU to initiate meeting again simultaneously and call out all conference terminals, get into normal conference flow thus.
Further, conference status information comprises: one or more in meeting essential information, meeting template, meeting current state, video conference terminal and the state information thereof.
Further, said method also comprises: the conference dispatching administration module is initiated meeting request again to spare MCU, and meeting title and conference terminal remain unchanged; Spare MCU is applied for the meeting that will recover again, and accomplishes the calling to the view terminal; The synchronously corresponding conference status of conference dispatching administration module.
Further; Conference dispatching administration module and said Gk are that carrier carries out information interaction with privately owned registration management state RAS message; Be that said conference dispatching administration module notice Gk carries out cancellation and hangs up operation, Gk replys the information of nullifying and hanging up operation that whether completes successfully to the conference dispatching administration module.
Further, said method also comprises: the main configuration attribute of whether being furnished with spare MCU with MCU of configuration on the conference dispatching administration module.
Further, said method also comprises: judge main not being equipped with MCU when the conference dispatching administration module and back up MCU, then launch MCU and reconnect mechanism.
In order to solve the problems of the technologies described above; The invention provides a kind of system that realizes conference backup function of multi-point control unit; Comprise: conference dispatching administration module, one or more main one or more backup MCU and gatekeeper Gk that is equipped with multipoint control unit MCU, wherein:
The conference dispatching administration module is used for occurring mainly detecting disconnections that be connected with MCU with this master with the MCU machine situation of delaying, and this master of judgement is equipped with MCU and backs up MCU, then preserves this master with the last all conference status information of MCU, and discharges corresponding conferencing resource; Notify Gk will lead then and nullify, and hang up all conference terminals in the meeting with the meeting on the MCU; Indicate said spare MCU to initiate meeting again simultaneously and call out said all conference terminals;
Gk is used for notified back and accomplishes the operation of nullifying and hanging up, and the message that will whether successfully nullify and hang up replies to the conference dispatching administration module;
One or more backup MCU are used for after receiving indication, carrying out and initiate meeting again, and accomplish the calling to conference terminal.
Further, conference status information comprises: one or more in meeting essential information, meeting template, meeting current state, video conference terminal and the state information thereof.
Further, the conference dispatching administration module is initiated meeting request again to spare MCU, and meeting title and conference terminal remain unchanged; Synchronously corresponding conference status after spare MCU is initiated meeting again;
Gk and meeting dispatching management module are that carrier carries out information interaction with privately owned registration management state RAS message;
Spare MCU passes through to apply for again that the meeting that will recover is carried out initiates meeting again.
Further, the main configuration attribute of whether being furnished with spare MCU with MCU of configuration on the conference dispatching administration module.
The present invention need not increase proxy module proxy and realize main with the communication between MCU and the spare MCU; But adopt a kind of IP based network to realize the method and system of MCU conference backup function; Can MCU fault and user appear in short time at once during fault location; Launch MCU conference backup function and conference status memory function rapidly through the conference dispatching administration module; Do not need the configuration of user's secondary and generate identical meeting template automatically, thereby pass through the urgent active and standby purpose that reaches rapid recovery meeting of switching, and greatly increased the convenience of user's operation with the design of hommization.Advantages such as scheme of the present invention has that development cost less investment, modification amount are little, perfect function, test are prone to checking and performance period is short are comparatively desirable implementations at present.
Description of drawings
Fig. 1 a is the structural representation that the present invention realizes the overall system framework of MCU conference backup function;
Fig. 1 b is the method flow diagram that the present invention realizes the MCU conference backup function;
Fig. 2 is a conference dispatching administration module of the present invention and main with handling process sketch map between the MCU;
Fig. 3 is the handling process sketch map between conference dispatching administration module of the present invention and the gatekeeper;
Fig. 4 is the handling process sketch map between conference dispatching administration module of the present invention and the spare MCU.
Embodiment
The present invention realizes the method for conference backup function of multi-point control unit; Relate to conference dispatching administration module, a plurality of main with MCU and a plurality of conference terminals of being had jurisdiction over, a plurality of backup MCU and gatekeeper Gk; Wherein, all main attribute and main configuration attributes that whether are equipped with backup MCU with MCU of conference dispatching administration module configuration with MCU by its management.When the appearance master of system delays the machine situation with MCU; The conference dispatching administration module detects with this master and breaks off with MCU be connected (TCP/IP); The backup functionality that then can launch this MCU as if judgement according to the configuration attribute of this MCU; Just will lead all state informations of carrying out meeting and preserve, and discharge corresponding conferencing resource with MCU; Simultaneously, send the notice of this master of cancellation to Gk with the meeting on the MCU; Initiate the indication of meeting again to spare MCU then; Gatekeeper Gk implements the operation that the online calling at all terminals of meeting was nullified and hung up in meeting after receiving the notice of nullifying meeting, and will successfully nullify and hang up message and return to the conference dispatching administration module; Backup MCU makes a call to all terminals of nullifying meeting after the indication of receiving again meeting, and the terminal is entered in the meeting of recovery.
Below in conjunction with accompanying drawing and preferred embodiment technique scheme of the present invention is illustrated in greater detail and explains.
Shown in Fig. 1 a; It is the structure that the present invention realizes the overall system framework of MCU conference backup function; This system comprises: and conference dispatching administration module, main backup MCU-1, MCU-2 and gatekeeper with MCU-A, MCU-B and outfit respectively thereof (Gk, Gatekeeper), wherein:
Main with MCU-A, MCU-B, as the end points that multipoint conference is supported is provided, the meeting support to terminal 1, terminal 2 and terminal 3 and terminal 4, terminal 5 and terminal 6 is provided respectively;
The conference dispatching administration module is used for a plurality of MCU are managed, and disposes all main device attributes with MCU by its management, and this attribute comprises the main configuration attribute that whether is equipped with backup MCU with MCU; Occur main with the MCU-A machine situation of delaying in system; And break off when detecting with this MCU-A be connected (TCP/IP); Then be equipped with the configuration attribute of the MCU-1 of backup to judge and launch its backup functionality according to this MCU-A; All state informations of just this MCU-A being carried out meeting are preserved, and discharge corresponding conferencing resource; Simultaneously, through privately owned RAS (Registration AdmissionStatus) message, notice Gk sends and nullifies the meeting on this MCU-A and hang up its terminal of having jurisdiction over 1, terminal 2 and terminal 3; Simultaneously, initiate the indication of meeting again to the spare MCU-1 of this MCU-A;
Gk is used to the H.323 end points that contains the MCU and the terminal of having jurisdiction over thereof access control and switched service is provided; After receiving the cancellation meeting that the conference dispatching administration module sends and hanging up the notice at terminal, implement meeting and nullify and force and hang up the operation of terminal 1, terminal 2 and terminal 3 online callings, and will successfully nullify and hang up message and return to the conference dispatching administration module;
Backup MCU-1, MCU-2; Respectively as main redundant configuration with MCU-A, MCU-B; Receive the indication of having a meeting again of conference dispatching administration module at MCU-1 after, make a call, make in its meeting that in time enters into recovery to the terminal that is canceled meeting 1, terminal 2 and terminal 3.
In like manner, when MCU-B outage takes place or delays the machine fault, backup to backup MCU-2 with identical process.
Above system can constitute the MCU backup of supporting N+M and distribute; Wherein, N is main number with MCU, and M is the number of backup MCU, M≤N.
Shown in Fig. 1 b, the method flow for the present invention realizes the MCU conference backup function comprises:
Step 110: the conference dispatching administration module is occurring mainly when delaying the machine situation with MCU, detects the disconnection that is connected with this MCU, and judges that this MCU is equipped with the MCU of backup, then launches this backup functionality;
The device attribute of the MCU of its management of configuration on the conference dispatching administration module if main have the spare MCU hardware supports with MCU, then increases the backup configuration attribute.
Step 120: the conference dispatching administration module is preserved with the conference status information of being carried out on the MCU main, and discharges corresponding conferencing resource;
Conference status information comprises: meeting essential information, meeting template, conference status, video conference terminal information, video conference terminal state etc.
Step 130: the conference dispatching administration module is notified gatekeeper Gk will lead with the meeting on the MCU and is nullified, and hangs up all conference terminals in the meeting, so that the master can recover on spare MCU with the meeting of holding on the MCU;
Conference dispatching administration module and GK are carrier with privately owned RAS message, carry out information interaction.
Step 140: conference dispatching administration module indication spare MCU is initiated meeting again and is called out all conference terminals, gets into normal meeting flow process thus.
The conference dispatching administration module generates the main meeting that configures with meeting on the MCU and reservation automatically on backup MCU, spare MCU is applied for main with the meeting that will recover on the MCU again, and accomplishes the calling to conference terminal.
As shown in Figure 2, for conference dispatching administration module of the present invention to main processing procedure with MCU, comprising:
Step 210: when occurring MCU in the conference process and delaying the machine situation, detect with main TCP and be connected disconnection with MCU;
Step 220: inquiry should be main with MCU configuration backup MCU whether, if then execution in step 230; If then execution in step 260 not;
Step 230: will lead with the conferencing information of MCU and preserve;
Conferencing information comprises: meeting essential information, meeting template, conference status, end message and the SOT state of termination etc.;
Step 240: force to turn off main with the meeting on the MCU (removing conferencing information);
Step 250: discharge all conferencing resources; Process ends;
Step 260: launch MCU and reconnect mechanism, process ends.
As shown in Figure 3, for appearring in the present invention in conference process, delay machine situation and detecting of main MCU is connected with the TCP of this MCU when breaking off, and the message interaction process between conference dispatching administration module and the gatekeeper comprises:
Step 310: notice Gk nullifies all meetings and conferencing information thereof on this MCU;
Step 320:Gk replys the information of whether successfully nullifying meeting;
Step 330: notice Gk is hung up all conference terminals that are canceled meeting;
Step 340:Gk replys the information of whether successfully hanging up all conference terminals.
As shown in Figure 4, the present invention delay machine situation and detecting of main MCU occurs and is connected with the TCP of this MCU when breaking off in conference process, and the conference dispatching administration module is to the handling process of spare MCU:
Step 410: initiate the request of meeting again to spare MCU, meeting title and terminal remain unchanged;
Step 420: after having held meeting on the spare MCU, synchronously corresponding state (comprising the meeting essential information, meeting template, conference status, end message, the SOT state of termination);
Step 430: spare MCU makes a call to all terminals that are canceled meeting, thereby realizes the function of MCU conference backup.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a method that realizes conference backup function of multi-point control unit relates to conference dispatching administration module, one or more main one or more backup MCU and gatekeeper Gk that is equipped with multipoint control unit MCU, it is characterized in that said method comprises:
Said conference dispatching administration module occur main with the MCU machine situation of delaying; When detecting the disconnection that is connected with MCU with this master; And judge that this master is equipped with backup MCU with MCU, then preserves this master and goes up all conference status information with MCU, and discharge corresponding conferencing resource; Notify said Gk will lead then and nullify, and hang up all conference terminals in the said meeting with the meeting on the MCU; Indicate said spare MCU to initiate meeting again simultaneously and call out said all conference terminals, get into normal conference flow thus.
2. according to the described method of claim 1, it is characterized in that, said conference status information comprise following one or more: meeting essential information, meeting template, meeting current state, video conference terminal and video conference terminal state information.
3. according to the described method of claim 2, it is characterized in that said method also comprises: said conference dispatching administration module is initiated meeting request again to said spare MCU, and meeting title and conference terminal remain unchanged; Said spare MCU is applied for the meeting that will recover again, and accomplishes the calling to said conference terminal; The synchronously corresponding conference status of said conference dispatching administration module.
4. according to each described method of claim 1 to 3; It is characterized in that; Said conference dispatching administration module and said Gk are that carrier carries out information interaction with privately owned registration management state RAS message; Be that said conference dispatching administration module is notified said Gk to carry out said cancellation and said to hang up operation, said Gk replys said cancellation and the said information of hanging up operation of whether completing successfully to said conference dispatching administration module.
5. according to each described method of claim 1 to 3, it is characterized in that said method also comprises: the main configuration attribute of whether being furnished with spare MCU with MCU of configuration on said conference dispatching administration module.
6. according to each described method of claim 1 to 3, it is characterized in that said method also comprises: judge said master when said conference dispatching administration module and be not equipped with backup MCU, then launch MCU and reconnect mechanism with MCU.
7. system that realizes conference backup function of multi-point control unit comprises: conference dispatching administration module, one or more main one or more backup MCU and gatekeeper Gk that is equipped with multipoint control unit MCU, wherein:
Said conference dispatching administration module; Be used for occurring mainly detecting the disconnection that is connected with MCU, and this master of judgement is equipped with MCU and backs up MCU with this master with the MCU machine situation of delaying; Then preserve this master and go up all conference status information, and discharge corresponding conferencing resource with MCU; Notify said Gk will lead then and nullify, and hang up all conference terminals in the said meeting with the meeting on the MCU; Indicate said spare MCU to initiate meeting again simultaneously and call out said all conference terminals;
Said Gk be used to receive back said cancellation of completion of said notice and the said operation of hanging up, and the message that will whether successfully nullify and hang up replies to said conference dispatching administration module;
Said one or more backup MCU is used for after receiving said indication, carrying out and initiates meeting again, and accomplishes the calling to said conference terminal.
8. according to the described system of claim 7, it is characterized in that, said conference status information comprise following one or more: meeting essential information, meeting template, meeting current state, video conference terminal and video conference terminal state information.
9. according to the described system of claim 8, it is characterized in that said conference dispatching administration module is initiated meeting request again to said spare MCU, meeting title and conference terminal remain unchanged; Synchronously corresponding conference status after said spare MCU is initiated said meeting again;
Said Gk and said conference dispatching administration module are that carrier carries out information interaction with privately owned registration management state RAS message;
Said spare MCU passes through to apply for again that the meeting that will recover carries out the said meeting of initiating again.
10. according to each described system of claim 7 to 9, it is characterized in that the main configuration attribute of whether being furnished with spare MCU with MCU of configuration on said conference dispatching administration module.
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Families Citing this family (8)
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| CN102377980A (en) * | 2010-08-16 | 2012-03-14 | 杭州华三通信技术有限公司 | Backup method and system of MCU (multi-point control unit) in video conference |
| CN103841356B (en) * | 2012-11-21 | 2017-10-10 | 中兴通讯股份有限公司 | A kind of video conference terminal and its self- recoverage control method and relevant device |
| CN104135640B (en) | 2014-08-08 | 2017-12-29 | 华为技术有限公司 | The method, apparatus and system of meeting migration |
| CN106162044A (en) * | 2015-04-15 | 2016-11-23 | 中兴通讯股份有限公司 | Meeting method for reconstructing and device |
| CN106210600A (en) * | 2015-05-08 | 2016-12-07 | 中兴通讯股份有限公司 | A kind of method realizing MCU backup and main control unit |
| CN106254301A (en) * | 2015-06-11 | 2016-12-21 | 中兴通讯股份有限公司 | A kind of conference backup method, management node and conference system |
| CN106254814B (en) * | 2016-07-29 | 2021-03-05 | 华为技术有限公司 | Conference recovery method, service management center and system |
| CN112988475B (en) * | 2021-04-28 | 2022-10-28 | 厦门亿联网络技术股份有限公司 | Disaster tolerance test method, device, test server and medium |
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