CN1946164A - System and method for meeting information backup in multipoint meeting - Google Patents
System and method for meeting information backup in multipoint meeting Download PDFInfo
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- CN1946164A CN1946164A CN 200610063001 CN200610063001A CN1946164A CN 1946164 A CN1946164 A CN 1946164A CN 200610063001 CN200610063001 CN 200610063001 CN 200610063001 A CN200610063001 A CN 200610063001A CN 1946164 A CN1946164 A CN 1946164A
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Abstract
This invention provides a system for backing up conference information in a multi-point conference including a terminal, a transmission network, a primary multi-point control unit MCU, a conference management stand and a standby MCU, in which, the stand is connected with the primary and the standby MCU via transmission networks to manage the MCU and store the conference information of the primary MCU and the backup relation of the primary and the standby MCU, said standby MCU is connected with the stand via network used as the backup of the primary MCU, when the network is faulty, the conference management stand sends the primary MCU information to the standby MCU so as to preserve the conference information.
Description
Technical field
The present invention relates to the multi-media communication technical field, specifically refer to the system and method for meeting information backup in the multipoint conference.
Background technology
Along with the development that modern network technology and broadband are built, multipoint conference unit has been widely used in work and sphere of life.Multipoint conference unit, it is a kind of communication mode that utilizes video conferencing technology and equipment between two places or a plurality of place, to hold a meeting by transmission channel, typical multipoint conference unit as shown in Figure 1, it comprises that several parts such as a plurality of terminals such as terminal A, terminal B, terminal C, terminal N (comprising multiple spot terminal and voice terminal), transmission network, multipoint control unit (claiming MCU or multiple spot switching plane again) form.
As shown in Figure 1, when MCU held multipoint conference, the node of conference systems such as terminal or other MCU and this MCU connected, and join in the multipoint conference.In meeting, MCU receives that each road terminal sends looks the audio frequency media code stream, according to the needs of meeting control, after code stream processed, sends corresponding video/audio code stream for each terminal again.By this operation, just can allow and realize between each terminal watching mutually and exchanging, carry out normal meeting.
Because the extensive use of multipoint conference, the user has higher requirement to stability and the automatic recovery capability of video conference.In the existing multipoint conference unit, because the Media Stream of multipoint conference can't back up, in case MCU breaks down, will cause multipoint conference to interrupt.Generally adopt following technical solution at present in the multipoint conference unit:
Realize backup by the single-board host-slave switching of MCU equipment, at a MCU equipment main control unit of configuration and a control module for subsequent use, when the main control unit of activity broke down, control module for subsequent use became active state automatically, thereby guaranteed normally carrying out of multipoint conference.
But this scheme obviously has following shortcoming:
1. when network failure occurring, the single-board host-slave switching by MCU can not solve corresponding network failure, therefore can not guarantee normally carrying out of multipoint conference.
2. backup quantity is few, if promptly among the MCU active and standby control unit all break down, will cause multipoint conference to interrupt.
Take a broad view of such scheme, can not back up multipoint conference information effectively, so make meeting can not be effectively, stably carry out.As seen, how designing the method for effective meeting information backup in multipoint meeting, address the above problem, is the problem that the present industry utmost point need solve.
Summary of the invention
The object of the invention is to provide the system and method for meeting information backup in the multipoint conference, when breaking down to solve MCU, and the problem that existing conferencing information can not effectively be backed up.
For this reason, the invention provides following technical scheme:
The system of meeting information backup in the multipoint conference, this system comprise terminal, transmission network, main with multipoint control unit MCU, conference management platform and spare MCU;
This conference management platform links to each other with spare MCU with MCU with main by transmission network, and it is used to manage MCU, and preserves main with the conferencing information on the MCU and spare MCU and main backup relation with MCU;
This spare MCU is connected with described conference management platform by transmission network, and it is used for the backup MCU as primary MCU.
Described conference management platform also is used for selecting spare MCU to be new primary MCU according to described backup relation when described primary MCU off-line, and the conferencing information on the former primary MCU is sent to described new primary MCU.
Described conference management platform also is used to the master to dispose one or more backups MCU with MCU.
In technique scheme, described multipoint conference unit is a system H.323.
The present invention also provides the method for meeting information backup in a kind of multipoint conference, and this method comprises the steps:
Steps A, conference management platform are preserved spare MCU and main with MCU backup relation and main with the conferencing information on the MCU;
Step B, when described primary MCU off-line, the conference management platform selects a spare MCU to be new primary MCU according to described backup relation, and the conferencing information on the described primary MCU is sent to described new primary MCU.
In technique scheme,
Further comprise in the steps A: described conference management platform also saves backup the selection strategy of MCU;
Further comprise among the step B: when former primary MCU off-line, the conference management platform selects a spare MCU to be new primary MCU according to described backup relation and selection strategy, and the conferencing information on the described former primary MCU is sent to described new primary MCU.
Step B comprises that further the conference management platform detects the off-line state of primary MCU by handshaking information.
In technique scheme, selection strategy described in the step B comprises resource policy and/or distance strategy.
Step B further comprises, if spare MCU only has one, then this backup MCU is described new primary MCU; If spare MCU has two or more, then select one of them backup MCU as described new primary MCU according to selection strategy.
If in the process of step B, described former master then further comprises after step B with there being meeting to carry out on the MCU:
Step C, conference management platform notify described new primary MCU again to hold a meeting, and meeting is switched on the described new primary MCU.
The platform of conference management described in the steps A is determined the quantity of spare MCU according to the situation of transmission network.
Described conference management platform determines that according to the situation of transmission network the quantity of spare MCU specifically refers to: when transmission network was unstable, described conference management platform increased the quantity of spare MCU; When transmission network was stablized, described conference management platform reduced the quantity of spare MCU.
Behind the system and method for meeting information backup, the present invention has following advantage in adopting above-mentioned multipoint conference:
1, in the present invention conference management platform management MCU, the backup relation of configuration spare MCU, primary MCU and spare MCU and primary MCU, so that when network failure or MCU occurring and break down, sent the conferencing information of primary MCU by the conference management platform to backup MCU, so that conferencing information can not lost, after the conference management platform is determined spare MCU, continued to hold a meeting by this spare MCU so that meeting can be effectively, stably carry out;
2, when the conference management platform carries out the MCU backup, each primary MCU can only have a backup MCU, two or more backups MCU also can be arranged, so that can be according to the network actual conditions, adopt the backup policy of N primary MCU and M spare MCU, the quantity of flexible configuration backup MCU, solved the few problem of MCU backup quantity in the prior art, when MCU and one backup MCU breaks down, also have other backup MCU can continue to use so that multipoint conference still can be effectively, stably carry out.
Description of drawings
Fig. 1 is typical multipoint conference unit structure chart in the prior art;
Fig. 2 is the required system construction drawing of the inventive method operation;
The process schematic diagram that Fig. 3 carries out active and standby switching for the embodiment of the invention three MCU;
Embodiment
Before specifically introducing meeting information backup in multipoint meeting method of the present invention, earlier the required system of the inventive method operation is described.Please refer to Fig. 2, move required system construction drawing, comprising for the inventive method: the conference management platform, multipoint control unit MCU, terminal, wherein, described terminal is connected with MCU by IP network; Described turnkey console is connected with described MCU by IP network.In meeting, the effect of terminal is on the one hand live image signal, the voice signal of a certain meeting point and the data-signal of being correlated with to be gathered, compressed encoding, sent after multiplexed; On the other hand the convention business signal that receives is classified, decoded, be reduced into the image, voice and the data-signal that receive the meeting-place; The effect of MCU is to realize the exchange of image and voice and mix and all terminals are carried out control and management; The conference management platform is the higher level of MCU, can manage a plurality of MCU.
Use the conference management platform to manage a plurality of MCU in the system of the present invention, MCU be divided into primary and backup two types, can be on primary MCU and spare MCU port operation meeting, and preserve conferencing information on the primary MCU; The conference management platform saves backup the backup relation of MCU and primary MCU, and as a resource pool, each primary MCU can select one or more MCU as spare MCU from the standby resources pond with all spare MCUs.
Wherein, described spare MCU is connected with described turnkey console by transmission network, its effect is as main backup MCU with MCU, when the master is broken down with MCU or network failure occurred, after the conference management platform determines that spare MCU also sends to spare MCU to described conferencing information, continue to hold a meeting by this spare MCU, make meeting can be effectively, stably carry out.
Wherein, described each primary MCU has one or more backups MCU, one of them spare MCU can be used as for subsequent use of several primary MCU, and the quantity of spare MCU can be determined according to the situation of transmission network: when transmission network is unstable, increase the quantity of spare MCU; When transmission network is stablized, reduce the quantity of spare MCU.
The meeting information backup method comprises the steps: in the multipoint conference of the present invention
Steps A, conference management platform save backup MCU and primary MCU backup relation;
Step B, when former primary MCU off-line, the conference management platform selects a spare MCU to be new primary MCU according to described backup relation and/or selection strategy, and the conferencing information on the described former primary MCU is sent to described new primary MCU.
In multipoint conference provided by the invention, regularly transmit handshake information in order to detect the off-line state of primary MCU between conference management platform and the MCU, if the conference management platform surpasses the handshake information that certain hour is not received primary MCU, the conference management platform has just been thought this MCU off-line.At this moment the conference management platform will begin to carry out the MCU handover operation, at first find all online spare MCUs according to main standby with MCU, select one of them spare MCU according to selection strategy then, and be set to new mainly use MCU, master originally is set to spare MCU with MCU.If in handoff procedure, on the primary MCU originally meeting is arranged, the conference management platform switches to meeting on the new primary MCU again, and notifies this MCU again to hold a meeting.Wherein said selection strategy comprises resource policy and/or distance strategy, namely selects the sufficient or the most close backup MCU strategy of resource and/or is chosen in the upper immediate backup MCU strategy of distance.
Certainly it will be understood by those in the art that whether off-line can also adopt other method except regularly transmitting the method for handshake information to detection MCU.
For making the purpose, technical solutions and advantages of the present invention clearer, lift below specific embodiment, the present invention is further detailed explanation.
Referring to Fig. 2, at first add respectively primary MCU and spare MCU at the conference management platform, and preserve the backup relation of primary MCU and spare MCU, the spare MCU of MCU1 is MCU4, and the spare MCU of MCU2 is MCU5, and the spare MCU of MCU3 is MCU4 and MCU5.
Embodiment one
As shown in Figure 2, when not carrying out multipoint conference, break down owing to the network reason causes MCU3, then the conference management platform need carry out active and standby switching to MCU3, and its concrete steps are as follows:
Step 101:MCU3 regularly sends handshaking information to the conference management platform, if continuous a period of time of conference management platform can not receive the handshaking information that MCU3 sends, then thinks this MCU3 off-line;
Step 102: after confirming the MCU3 off-line, the conference management platform is according to the MCU backup relation of preserving, and the spare MCU that finds MCU3 is MCU4 and MCU5, selects then the enough and immediate online backup MCU of resource, selects in this example MCU4 to be new primary MCU;
Step 103: selected after the spare MCU 4 that carries out switching services, conference management sends to MCU4 to the conferencing information on the MCU3.
In the present embodiment, MCU3 regularly sends handshaking information to the conference management platform, also can be initiatively to initiate this handshaking information by the conference management platform, and according to the primary MCU3 of corresponding detection of MCU3 off-line whether.
Embodiment two
As shown in Figure 2, when not carrying out multipoint conference, break down owing to the network reason causes MCU2, then the conference management platform need carry out active and standby switching to MCU2, and its concrete steps are as follows:
Step 201:MCU2 regularly sends handshaking information to the conference management platform, if continuous a period of time of conference management platform can not receive the handshaking information that MCU2 sends, then thinks this MCU2 off-line;
Step 202: after confirming the MCU2 off-line, the conference management platform is according to the MCU backup relation of preserving, the spare MCU that finds MCU2 is MCU5, because have only a spare MCU, need not select to back up MCU according to resource and immediate online MCU again, use MCU so can only select MCU5 to be new master.
Step 203: selected after the spare MCU 5 that carries out switching services, conference management sends to MCU5 to the conferencing information on the MCU2.
Embodiment three
As shown in Figure 2, when multipoint conference carries out, break down owing to the network reason causes MCU3, then the conference management platform need carry out active and standby switching to MCU, and as shown in Figure 3, its concrete steps are as follows:
Step 301:MCU3 regularly sends handshaking information to the conference management platform, if continuous a period of time of conference management platform can not receive the handshaking information that MCU3 sends, then thinks this MCU3 off-line;
Step 302: after confirming the MCU3 off-line, the conference management platform is according to the MCU backup relation of preserving, and the spare MCU that finds MCU3 is MCU4 and MCU5, selects then the enough and immediate online backup MCU of resource, selects in this example MCU4 to be new primary MCU;
Step 303: selected after the spare MCU 4 that carries out switching services, the conference management platform sends to MCU4 to the conferencing information on the MCU3 (comprising the meeting-place parameter), and notice MCU4 holds a meeting;
Step 304:MCU4 port operation meeting is called out the corresponding terminal affiliation, and meeting is held again.
Regularly transmit handshake information in order to detect the off-line state of primary MCU between conference management platform and the MCU, can be that the conference management platform is initiatively initiated, also can be that MCU initiatively initiates, if the conference management platform surpasses the handshake information that certain hour is not received primary MCU, then the conference management platform has been thought this MCU off-line.
The described backup of the inventive method MCU can carry out the flexible configuration backup policy according to the network actual conditions, when the network connection situation is unstable, should increase the quantity of backup MCU; Opposite when network connection is stablized, can suitably reduce the quantity of backup MCU.
The meeting information backup method is not limited only to H.323 system in the described multipoint conference of the inventive method, also is suitable for other conference system.
It should be noted that at last: above embodiment only in order to the explanation the present invention and and unrestricted technical scheme described in the invention; Therefore, although this specification has been described in detail the present invention with reference to each above-mentioned embodiment,, those of ordinary skill in the art should be appreciated that still and can make amendment or be equal to replacement the present invention; And all do not break away from the technical scheme and the improvement thereof of the spirit and scope of the present invention, and it all should be encompassed in the middle of the claim scope of the present invention.
Claims (12)
1, the system of meeting information backup in the multipoint conference, this system comprise that terminal, transmission network, master use multipoint control unit MCU, it is characterized in that, also comprise: conference management platform and spare MCU;
This conference management platform links to each other with spare MCU with MCU with main by transmission network, and it is used to manage MCU, and preserves main with the conferencing information on the MCU and spare MCU and main backup relation with MCU;
This spare MCU is used for the backup MCU as primary MCU.
2, according to the described system of claim 1, it is characterized in that, described conference management platform also is used for described main during with the MCU off-line, selects spare MCU to do according to described backup relation and new mainly uses MCU, and former master is sent to described new master with the conferencing information on the MCU use MCU.
According to claim 1 or 2 described systems, it is characterized in that 3, described conference management platform also is used to primary MCU to dispose one or more backups MCU.
According to claim 1 or 2 described systems, it is characterized in that 4, described multipoint conference unit is a system H.323.
5, the method for meeting information backup in the multipoint conference is characterized in that, this method comprises the steps:
Steps A, conference management platform are preserved spare MCU and main with MCU backup relation and main with the conferencing information on the MCU;
Step B, when described primary MCU off-line, the conference management platform selects a spare MCU to be new primary MCU according to described backup relation, and the conferencing information on the described primary MCU is sent to described new primary MCU.
6, according to the described method of claim 5, it is characterized in that,
Further comprise in the steps A: described conference management platform also saves backup the selection strategy of MCU;
Further comprise among the step B: when former primary MCU off-line, the conference management platform selects a spare MCU to be new primary MCU according to described backup relation and selection strategy, and the conferencing information on the described former primary MCU is sent to described new primary MCU.
According to the described method of claim 5, it is characterized in that 7, step B comprises that further the conference management platform detects main off-line state with MCU by handshaking information.
According to the described method of claim 6, it is characterized in that 8, selection strategy described in the step B comprises resource policy and/or distance strategy.
According to the described method of claim 6, it is characterized in that 9, step B further comprises, if spare MCU only has one, then this backup MCU is described new primary MCU; If spare MCU has two or more, then select one of them backup MCU as described new primary MCU according to selection strategy.
According to the described method of claim 5, it is characterized in that 10, if in the process of step B, described former master then further comprises with there being meeting to carry out on the MCU after step B:
Step C, conference management platform notify described new primary MCU again to hold a meeting, and meeting is switched on the described new primary MCU.
According to claim 5,6,7,8,9 or 10 described methods, it is characterized in that 11, the platform of conference management described in the steps A is determined the quantity of spare MCU according to the situation of transmission network.
According to the described method of claim 11, it is characterized in that 12, described conference management platform determines that according to the situation of transmission network the quantity of spare MCU specifically refers to: when transmission network was unstable, described conference management platform increased the quantity of spare MCU; When transmission network was stablized, described conference management platform reduced the quantity of spare MCU.
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| CN 200610063001 CN1946164A (en) | 2006-09-30 | 2006-09-30 | System and method for meeting information backup in multipoint meeting |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101835025A (en) * | 2010-04-21 | 2010-09-15 | 杭州华三通信技术有限公司 | Spare MCU selecting method and equipment |
| CN101741613B (en) * | 2009-11-19 | 2012-02-08 | 中兴通讯股份有限公司 | Network port backup device and method of multipoint control unit |
| CN102055950B (en) * | 2009-11-02 | 2012-07-04 | 杭州华三通信技术有限公司 | MCU backup method and equipment in video conference |
| CN104994327A (en) * | 2015-06-26 | 2015-10-21 | 广东亿迅科技有限公司 | MCU abnormity processing method and system for video conference |
| WO2018019158A1 (en) * | 2016-07-29 | 2018-02-01 | 华为技术有限公司 | Conference resumption method, service management center, and system |
| CN111131759A (en) * | 2019-12-30 | 2020-05-08 | 宁波菊风系统软件有限公司 | Real-time multimedia transmission system and use method thereof |
-
2006
- 2006-09-30 CN CN 200610063001 patent/CN1946164A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102055950B (en) * | 2009-11-02 | 2012-07-04 | 杭州华三通信技术有限公司 | MCU backup method and equipment in video conference |
| CN101741613B (en) * | 2009-11-19 | 2012-02-08 | 中兴通讯股份有限公司 | Network port backup device and method of multipoint control unit |
| CN101835025A (en) * | 2010-04-21 | 2010-09-15 | 杭州华三通信技术有限公司 | Spare MCU selecting method and equipment |
| CN104994327A (en) * | 2015-06-26 | 2015-10-21 | 广东亿迅科技有限公司 | MCU abnormity processing method and system for video conference |
| CN104994327B (en) * | 2015-06-26 | 2018-02-16 | 广东亿迅科技有限公司 | The method and system of MCU abnormality processings in a kind of video conference |
| WO2018019158A1 (en) * | 2016-07-29 | 2018-02-01 | 华为技术有限公司 | Conference resumption method, service management center, and system |
| CN111131759A (en) * | 2019-12-30 | 2020-05-08 | 宁波菊风系统软件有限公司 | Real-time multimedia transmission system and use method thereof |
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Application publication date: 20070411 |