CN107317995A - A kind of MCU cascade structures and its control method and control system - Google Patents
A kind of MCU cascade structures and its control method and control system Download PDFInfo
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- CN107317995A CN107317995A CN201610268826.5A CN201610268826A CN107317995A CN 107317995 A CN107317995 A CN 107317995A CN 201610268826 A CN201610268826 A CN 201610268826A CN 107317995 A CN107317995 A CN 107317995A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/15—Conference systems
- H04N7/152—Multipoint control units therefor
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/15—Conference systems
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- Computer Networks & Wireless Communication (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
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Abstract
The invention provides a kind of MCU cascade structures and its control method and control system, wherein MCU cascade structures include：Multiple MCU；The cascade port of at least two cascade modes is configured with every MCU, by the cascade port of at least two cascade modes, is cascaded mutually using at least two cascade modes between multiple MCU.Based on the MCU cascade structures, when getting the instruction for opening MCU subtended conferences, judge whether cascaded successfully with the first cascade mode at least two cascade modes between multiple MCU；When judged result is no, the first MCU for cascading failure in multiple MCU with the first cascade mode is detected；Switch the first MCU to be cascaded with the second cascade mode at least two cascade modes；When the first MCU is cascaded successfully with the second cascade mode, MCU subtended conferences are held.The program improves the stability and overall fluency of video conferencing system.
Description
Technical field
The invention belongs to video conference field, more particularly to a kind of MCU cascade structures and its control method and
Control system.
Background technology
In today of electronic information technology high speed development, video conferencing system extensive utilization to army, political affairs
Among mansion, large enterprise, the stability and reliability of conference system need to be guaranteed.And MCU (Multi
Control Unit, multipoint control unit) be conference system core component, in order to ensure reliability I
Often using two or more MCU carry out backup protection.But current MCU cascade structures and cascade
Pattern is in video conferencing system running, and MCU devices are in itself, MCU cascades circuit can be because of various originals
Because of failure or service wear, the stable operation to system causes damage, existing MCU cascade structures
And cascade mode is when system breaks down, it is impossible to timely and effectively solved, it is impossible to ensure the steady of passage
Qualitative and reliability.
The content of the invention
In order to overcome above mentioned problem, the present invention provides a kind of MCU cascade structures and its control method and control
System, to solve existing MCU cascade structures and cascade mode when system breaks down, it is impossible in time
Effectively solved, it is impossible to the problem of ensureing the stability and reliability of passage.
In order to solve the above-mentioned technical problem, the present invention is adopted the following technical scheme that：
On the one hand, the invention provides a kind of multipoint control unit MCU cascade structures, including：
Multiple MCU；
The cascade port of at least two cascade modes is configured with each MCU, passes through at least two cascades
Cascaded mutually using at least two cascade modes between the cascade port of pattern, multiple MCU.
Alternatively, the multiple MCU quantity is at least three, and the cascade structure also includes：
It is configured with the relay of the cascade port of at least two cascade modes；
By the cascade port of at least two cascade modes, the relay respectively with it is each described
MCU is attached using at least two cascade modes；
By the relay, cascaded mutually using at least two cascade modes between multiple MCU.
Alternatively, at least two cascade mode includes：4E1 cascade modes and IP cascade modes.
On the other hand, present invention also offers a kind of foregoing multipoint control unit MCU cascade structures
Control method, applied to video conferencing system, the control method includes：
Obtain the meeting open command for opening MCU subtended conferences；
Whether judge between multiple MCU with the first cascade mode level at least two cascade mode
It is unified into work(；
When judged result is no, detect in multiple MCU with first cascade mode cascade failure
The first MCU；
Switch the first MCU to be cascaded with the second cascade mode at least two cascade mode；
When the first MCU is cascaded successfully with second cascade mode, opened and referred to according to the meeting
Order, holds the MCU subtended conferences.
Alternatively, it is described according to the meeting open command, after holding the MCU subtended conferences, institute
Stating control method also includes：
During detecting that the MCU subtended conferences are held, if exist with least two cascade mode
In the first cascade mode cascade failure the 2nd MCU；
When the test results is yes, switch first cascade mode of the 2nd MCU for it is described at least
The second cascade mode in two kinds of cascade modes is cascaded.
Alternatively, it is described according to the meeting open command, after holding the MCU subtended conferences, institute
Stating control method also includes：
During detecting that the MCU subtended conferences are held, the unlatching MCU in multiple MCU
Whether the 3rd MCU of subtended conference breaks down；
When detecting the 3rd MCU and breaking down, judge whether with the 3rd MCU with
The first cascade mode at least two cascade mode cascades successful 4th MCU；
When judged result is to be, the MCU subtended conferences are backed up on the 4th MCU.
Alternatively, it is described when detecting the 3rd MCU and breaking down, judge whether with it is described
3rd MCU cascades successful 4th MCU with the first cascade mode at least two cascade mode
Afterwards, the control method also includes：
When judged result is no, judge whether with the 3rd MCU with least two cascade
The second cascade mode in pattern cascades successful 4th MCU；
When judged result is to be, the MCU subtended conferences are backed up on the 4th MCU.
Another further aspect, present invention also offers a kind of foregoing multipoint control unit MCU cascade structures
Control system, the control system includes：
Acquisition module, the meeting open command of MCU subtended conferences is opened for obtaining；
First judge module, for whether judging between multiple MCU with least two cascade mode
In the first cascade mode cascade successfully；
First detection module, for when judged result for it is no when, detect in multiple MCU with described the
First MCU of one cascade mode cascade failure；
First mode handover module, for switching the first MCU with least two cascade mode
The second cascade mode cascaded；
Meeting Held module, for when the first MCU is cascaded successfully with second cascade mode,
According to the meeting open command, the MCU subtended conferences are held.
Alternatively, the control system also includes：
Second detection module, during detecting that the MCU subtended conferences are held, if exist with institute
State the 2nd MCU of the first cascade mode cascade failure at least two cascade modes；
Second mode handover module, for when the test results is yes, switching the described of the 2nd MCU
First cascade mode is that the second cascade mode at least two cascade mode is cascaded.
Alternatively, the control system also includes：
3rd detection module, during detecting that the MCU subtended conferences are held, multiple MCU
In the 3rd MCU of the unlatching MCU subtended conferences whether break down；
Second judge module, for when detecting the 3rd MCU failures, judging whether
With the 3rd MCU with the first cascade mode cascade the successful 4th at least two cascade mode
MCU；
First conference backup module, during for being when judged result, the MCU subtended conferences are backed up
On to the 4th MCU.
Alternatively, the control system also includes：
3rd judge module, for when judged result is no, judging whether and the 3rd MCU
Successful 4th MCU is cascaded with the second cascade mode at least two cascade mode；
Second conference backup module, during for being when judged result, the MCU subtended conferences are backed up
On to the 4th MCU.
The beneficial effects of the invention are as follows：
Such scheme, be each equipped with multiple MCU the cascade ports of at least two cascade modes there is provided
At least two cascade modes realize the mutual cascade between multiple MCU, by the cascade of at least two patterns,
It when one of them goes wrong, can switch in another pattern, be the meeting of video conferencing system
Open and hold process different circuit switchings are provided and selected with backup, it is ensured that the reliability that is cascaded between MCU and
Stability, lifts the fault-tolerant ability of video conferencing system, improves the stability and entirety of video conferencing system
Fluency.
Brief description of the drawings
Fig. 1 represents the schematic flow sheet one in second embodiment of the invention；
Fig. 2 represents the schematic flow sheet two in second embodiment of the invention；
Fig. 3 represents the schematic flow sheet three in second embodiment of the invention；
Fig. 4 represents the module frame chart one in third embodiment of the invention；
Fig. 5 represents the module frame chart two in third embodiment of the invention；
Fig. 6 represents the MCU cascade structures schematic diagram one in first embodiment of the invention；
Fig. 7 represents the MCU cascade structures schematic diagram two in first embodiment of the invention.
Embodiment
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although being shown in accompanying drawing
The exemplary embodiment of the disclosure, it being understood, however, that may be realized in various forms the disclosure without should be by
Embodiments set forth here is limited.It is opposite to be able to be best understood from this there is provided these embodiments
It is open, and can by the scope of the present disclosure completely convey to those skilled in the art.
First embodiment
With reference to shown in Fig. 6, Fig. 7, the invention discloses a kind of multipoint control unit MCU cascade structures,
The structure includes：Multiple MCU；The cascade of at least two cascade modes is configured with each MCU
Mouthful, by the cascade port of at least two cascade modes, at least two grades are used between multiple MCU
Gang mould formula is cascaded mutually.
Wherein, when the plurality of MCU quantity is two, between two MCU by configure at least two
The cascade port of cascade mode directly carries out cascade to each other.Between the MCU that this two are directly cascaded
The cascade circuit corresponding with least two cascade mode is configured with, each cascade circuit corresponds to different
Cascade mode.Wherein, at least two cascade mode includes：4E1 cascade modes and IP cascade modes.
At least two cascade modes quantity is particularly preferred as two kinds, and two kinds of cascade modes are preferably to correspond respectively to
4E1 cascade modes and IP cascade modes.
Specifically, when the plurality of MCU quantity is at least three, the cascade structure also includes：It is configured with
The relay of the cascade port of at least two cascade modes；By the cascade port of at least two cascade modes,
The relay is attached with each MCU using at least two cascade modes respectively；By institute
State and cascaded mutually using at least two cascade modes between relay, multiple MCU.
Wherein, the relaying for the cascade port for being configured with least two cascade modes is passed through between at least three MCU
Device carries out cascade to each other, is configured between each MCU and relay and at least two grades of gang moulds
The corresponding cascade circuit of formula.By the relay being arranged between at least three MCU, to realize this
At least three MCU intercommunication that cascades with one another.
The MCU cascade structures, are each equipped with the cascade port of at least two cascade modes on multiple MCU,
The mutual cascade between multiple MCU is realized there is provided at least two cascade modes, is video conferencing system
Meeting is opened and held process and provides different circuit switchings and backup selection, lifts the appearance of video conferencing system
Wrong ability, improves the stability and overall fluency of video conferencing system.
Second embodiment
The invention also discloses a kind of control method of multipoint control unit MCU cascade structures, applied to regarding
Frequency conference system.Wherein multipoint control unit MCU cascade structures are specially as carried in first embodiment
And MCU cascade structures.
Wherein, cascade mode quantity involved in this method is at least two, here, will be specific with cascade
Pattern is two kinds, exemplified by two kinds of cascade modes are preferably 4E1 cascade modes and IP cascade modes, is carried out
It is lower sections of to illustrate.
Specifically, with reference to shown in Fig. 1, the control method includes：
Step 101：Obtain the meeting open command for opening MCU subtended conferences.
Step 102：Whether judge between multiple MCU with the first cascade mode at least two cascade modes
Cascade successfully.
The first cascade mode in the step can be that to be provided with highest at least two cascade mode preferential
The cascade mode of level.Specifically, when cascade mode is two kinds, two kinds of cascade modes are respectively 4E1 grades
When gang mould formula and IP cascade modes, 4E1 cascade modes are set to the cascade mode with high priority,
When between MCU respectively with the cascade connection corresponding with 4E1 cascade modes and IP cascade modes after,
If both circuits are all good, MCU is preferentially cascaded with 4E1 private network patterns, and meeting is ensured with private network
The security reliability of system.
Step 103：When judged result is no, detect in multiple MCU with the first order gang mould
First MCU of formula cascade failure.
In the step, when between judging multiple MCU not with the first order gang mould at least two cascade modes
When formula is cascaded successfully, there is problem often caused by cascade circuit and cause the failure of cascade, now necessarily deposit
Because the problem circuit with the first cascade mode without cascading successful first MCU, the MCU is detected,
To solve the problem.
Accordingly, when judged result is to be, then the MCU will be held according to the meeting open command
Subtended conference.
Step 104：Switch the first MCU with the second level gang mould at least two cascade mode
Formula is cascaded.
When detecting to cascade a MCU of failure with the first cascade mode, switch the first MCU's
First cascade mode to the second cascade mode, is realized overall with cascade circuit corresponding with second cascade mode
Final successful cascade.After the completion of cascade mode switching, after judging the first MCU whether with switching
The second cascade mode cascade successfully.
Step 105：When the first MCU is cascaded successfully with second cascade mode, according to described
Meeting open command, holds the MCU subtended conferences.
Specifically, in said process, when cascade mode is two kinds, two kinds of cascade modes are respectively 4E1
When cascade mode and IP cascade modes, the configuration bimodulus cascade port (4E1 on the MCU for needing to be cascaded
Pattern and IP patterns), and they are cascaded up, and according to how much carry out networkings of MCU quantity, such as
Shown in Fig. 6, Fig. 7；MCU subtended conferences are opened, judge whether 4E1 cascade modes cascade success, such as
Fruit 4E1 cascade modes are cascaded successfully, then the subtended conference under 4E1 cascade modes is successfully held；If no
Success, then carry out certain section of circuit switching of connection failure to IP cascade modes circuit MCU cascade,
Judge whether the MCU is cascaded successfully with IP cascade modes, if cascaded successfully, successfully hold IP grades
Subtended conference under gang mould formula, cascades failure if unsuccessful.When both circuits are all good, MCU
Preferentially cascaded with 4E1 cascade modes, security reliability is ensured with private network.When event occurs in certain circuit
When barrier causes a certain MCU not cascade successfully, the MCU carries out the switching of cascade mode, with switching
The corresponding circuit trial and success cascade of rear cascade mode, farthest ensures that cascade is normal.
Method provided in the present embodiment, the video conferencing system cascaded in two or more MCU
In, two or more MCU cascades are carried out using at least two cascade modes, pass through at least two moulds
The cascade of formula, when one of them goes wrong, can switch in another pattern, it is ensured that between MCU
The reliability and stability of cascade, lift the fault-tolerant ability of video conferencing system, improve video conferencing system
Stability and overall fluency.
Next, during being held specific to MCU subtended conferences, when cascade circuit goes wrong,
The control process of MCU cascade structures is described.
Specifically, with reference to shown in Fig. 2, at this according to meeting open command, hold MCU subtended conferences it
Afterwards, the control method also includes：
Step 201：During detecting that the MCU subtended conferences are held, if exist with described at least two
Plant the 2nd MCU of the first cascade mode cascade failure in cascade mode.
In the step, during being held mainly for MCU subtended conferences, because there is problem in cascade circuit
And the situation of the cascade failure occurred, now need to detect because the problem circuit is without with the first cascade
Successful 2nd MCU of pattern cascading, further to solve the problem.
Step 202：When the test results is yes, first cascade mode of the 2nd MCU is switched
Cascaded for the second cascade mode at least two cascade mode.
When detecting to cascade two MCU of failure with the first cascade mode, switch the 2nd MCU's
First cascade mode to the second cascade mode, is realized overall with cascade circuit corresponding with second cascade mode
Final successful cascade, to ensure the operation stability of conference system.
Specifically, when cascade mode is two kinds, two kinds of cascade modes are respectively 4E1 cascade modes and IP
During cascade mode, after subtended conference is successfully held, if the corresponding cascade circuit of 4E1 cascade modes goes out
Existing problem, then be switched under IP cascade modes, is cascaded with the corresponding cascade circuit of IP cascade modes；
If the corresponding cascade circuit of IP cascade modes goes wrong, it is switched under 4E1 cascade modes, with 4E1
The corresponding cascade circuit of cascade mode is cascaded.
Next, during being held specific to MCU subtended conferences, when MCU goes wrong, MCU
The control process of cascade structure is described.
Specifically, with reference to shown in Fig. 3, after MCU subtended conferences according to meeting open command, are held,
The control method also includes：
Step 301：During detecting that the MCU subtended conferences are held, opening in multiple MCU
Whether the 3rd MCU for opening the MCU subtended conferences breaks down.
Specifically, during before carrying out the step, it is necessary to root after meeting open command is received
According to the meeting open command, MCU subtended conferences are opened on some MCU in multiple MCU.
, it is necessary to detect the 3rd of unlatching MCU subtended conferences in real time after MCU subtended conferences are successfully held
Whether MCU breaks down, to ensure the stable operation of conference system and carry out fault-tolerant processing in time.
Step 302：When detecting the 3rd MCU failures, judge whether and the 3rd
MCU cascades successful 4th MCU with the first cascade mode at least two cascade modes.
Step 303：When judged result is to be, the MCU subtended conferences are backed up to the described 4th
On MCU.
If the 3rd MCU of unlatching MCU subtended conferences breaks down, the MCU is checked and with 4E1
Whether the cascade circuit between the MCU that pattern is cascaded good, if there is cascade circuit it is good
The 4th MCU cascaded under 4E1 cascade modes, show exist with the 3rd MCU with this at least two
Plant the first cascade mode in cascade mode and cascade successful 4th MCU, then it is MCU subtended conferences is standby
Part on this 4th MCU.
Specifically, when detecting the 3rd MCU failures, judge whether and the 3rd MCU
After successful 4th MCU of the first cascade mode cascade at least two cascade modes, the controlling party
Method also includes：
Step 304：When judged result is no, judge whether with the 3rd MCU with least two grades
The second cascade mode in gang mould formula cascades successful 4th MCU.When judged result is to be, by this
MCU subtended conferences are backed up on the 4th MCU.
If not cascading the 4th MCU under the good 4E1 cascade modes of circuit, show to be not present and this
3rd MCU cascades successful 4th MCU with the first cascade mode at least two cascade mode,
And now, finding has the 4th MCU cascaded under the good IP cascade modes of cascade circuit, show to exist with
3rd MCU cascades successful 4th MCU with the second cascade mode at least two cascade mode,
Then MCU subtended conferences are backuped on this 4th MCU.
Preferably, at least two cascade mode includes：4E1 cascade modes and IP cascade modes.
, can be according to existing networking condition, according to extremely when some MCU breaks down in said process
Few two kinds of cascade modes look for the Backup and Restore work that the good MCU of circuit carries out meeting, and energy maximum can
The guarantee meeting of energy can obtain Backup and Restore, it is ensured that the reliability of the service application of video conferencing system.
3rd embodiment
Present invention also offers a kind of control system of multipoint control unit MCU cascade structures, wherein this is more
Point control unit MCU cascade structures are specially the MCU cascade structures as mentioned in first embodiment.
With reference to shown in Fig. 4, Fig. 5, the control system includes：Acquisition module 401, the first judge module 402,
First detection module 403, first mode handover module 404 and Meeting Held module 405.
Wherein, acquisition module 401, the meeting open command of MCU subtended conferences is opened for obtaining.
First judge module 402, for whether judging between multiple MCU with least two cascade
The first cascade mode in pattern is cascaded successfully.First cascade mode can be at least two cascade mode
In be provided with the cascade mode of limit priority.
First detection module 403, for when judged result is no, detecting in multiple MCU with institute
State the first MCU of the first cascade mode cascade failure.
First mode handover module 404, for switching the first MCU with least two grades of gang moulds
The second cascade mode in formula is cascaded.
Meeting Held module 405, for being cascaded successfully with second cascade mode in the first MCU
When, according to the meeting open command, hold the MCU subtended conferences.
Specifically, the control system also includes：Second detection module 406 and second mode handover module 407.
Second detection module 406, during detecting that the MCU subtended conferences are held, if exist
With the 2nd MCU of the first cascade mode cascade failure at least two cascade mode.
Second mode handover module 407, for when the test results is yes, switching the 2nd MCU's
First cascade mode is that the second cascade mode at least two cascade mode is cascaded.
Specifically, the control system also includes：3rd detection module 408, the second judge module 409 and
One meeting backup module 410.
3rd detection module 408, it is multiple described during detecting that the MCU subtended conferences are held
Whether the 3rd MCU of the unlatching MCU subtended conferences in MCU breaks down.
Second judge module 409, for when detecting the 3rd MCU failures, judging whether
In the presence of successful with the first cascade mode cascade at least two cascade mode with the 3rd MCU
4th MCU.
First conference backup module 410, during for being when judged result, by the MCU subtended conferences
Back up on the 4th MCU.
Specifically, the control system also includes：3rd judge module 411 and the second conference backup module 412.
3rd judge module 411, for when judged result is no, judging whether and the described 3rd
MCU cascades successful 4th MCU with the second cascade mode at least two cascade mode.
Second conference backup module 412, during for being when judged result, by the MCU subtended conferences
Back up on the 4th MCU.
Preferably, at least two cascade mode includes：4E1 cascade modes and IP cascade modes.This is more
The control system of point control unit MCU cascade structures is preferably a video conferencing system.
Above-mentioned control system, in the video conferencing system that multiple MCU are cascaded, using at least two patterns
Multiple MCU cascades are carried out, are video conference system to ensure that the backup of circuit and MCU backup switch
The meeting unlatching of system and running provide different circuit switchings and selected with backup, pass through at least two patterns
Cascade, it is ensured that the reliability and stability cascaded between MCU.Ensure the service application of video conferencing system
Reliability, lifts the fault-tolerant ability of video conferencing system, improves the stability and entirety of video conferencing system
Fluency.
Although having been described for the preferred embodiment of the embodiment of the present invention, those skilled in the art once obtain
Cicada basic creative concept, then can make other change and modification to these embodiments.So, it is appended
Claim is intended to be construed to include preferred embodiment and falls into being had altered for range of embodiment of the invention
And modification.
Finally, in addition it is also necessary to explanation, in embodiments of the present invention, such as first and second or the like pass
It is that term is used merely to make a distinction an entity or operation with another entity or operation, and not necessarily
It is required that or implying between these entities or operation there is any this actual relation or order.Moreover,
Term " comprising ", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so that
Process, method, article or the terminal device of a series of key elements, which must be included, not only includes those key elements, and
Also include other key elements for being not expressly set out, or also include for this process, method, article or
The intrinsic key element of terminal device.In the absence of more restrictions, by sentence "including a ..."
The key element of restriction, it is not excluded that in the process including the key element, method, article or terminal device also
There is other identical element.
Above-described is the preferred embodiment of the present invention, it should be pointed out that for the ordinary people of the art
For member, some improvements and modifications can also be made under the premise of principle of the present invention is not departed from, these
Improvements and modifications are also within the scope of the present invention.
Claims (11)
1. a kind of multipoint control unit MCU cascade structures, it is characterised in that including：
Multiple MCU；
The cascade port of at least two cascade modes is configured with each MCU, passes through at least two cascades
Cascaded mutually using at least two cascade modes between the cascade port of pattern, multiple MCU.
2. cascade structure according to claim 1, it is characterised in that the multiple MCU quantity is
At least three, the cascade structure also includes：
It is configured with the relay of the cascade port of at least two cascade modes；
By the cascade port of at least two cascade modes, the relay respectively with it is each described
MCU is attached using at least two cascade modes；
By the relay, cascaded mutually using at least two cascade modes between multiple MCU.
3. cascade structure according to claim 1, it is characterised in that at least two cascade mode
Including：4E1 cascade modes and IP cascade modes.
4. a kind of multipoint control unit MCU cascade structures as described in any one of claims 1 to 3
Control method, it is characterised in that applied to video conferencing system, the control method includes：
Obtain the meeting open command for opening MCU subtended conferences；
Whether judge between multiple MCU with the first cascade mode level at least two cascade mode
It is unified into work(；
When judged result is no, detect in multiple MCU with first cascade mode cascade failure
The first MCU；
Switch the first MCU to be cascaded with the second cascade mode at least two cascade mode；
When the first MCU is cascaded successfully with second cascade mode, opened and referred to according to the meeting
Order, holds the MCU subtended conferences.
5. control method according to claim 4, it is characterised in that described to be opened according to the meeting
Instruction, holds after the MCU subtended conferences, the control method also includes：
During detecting that the MCU subtended conferences are held, if exist with least two cascade mode
In the first cascade mode cascade failure the 2nd MCU；
When the test results is yes, switch first cascade mode of the 2nd MCU for it is described at least
The second cascade mode in two kinds of cascade modes is cascaded.
6. control method according to claim 4, it is characterised in that described according to the meeting
Instruction is opened, is held after the MCU subtended conferences, the control method also includes：
During detecting that the MCU subtended conferences are held, the unlatching MCU in multiple MCU
Whether the 3rd MCU of subtended conference breaks down；
When detecting the 3rd MCU and breaking down, judge whether with the 3rd MCU with
The first cascade mode at least two cascade mode cascades successful 4th MCU；
When judged result is to be, the MCU subtended conferences are backed up on the 4th MCU.
7. control method according to claim 6, it is characterised in that described to detect the described 3rd
When MCU breaks down, judge whether with the 3rd MCU with least two cascade mode
In the first cascade mode cascade successful 4th MCU after, the control method also includes：
When judged result is no, judge whether with the 3rd MCU with least two cascade
The second cascade mode in pattern cascades successful 4th MCU；
When judged result is to be, the MCU subtended conferences are backed up on the 4th MCU.
8. a kind of multipoint control unit MCU cascade structures as described in any one of claims 1 to 3
Control system, it is characterised in that the control system includes：
Acquisition module, the meeting open command of MCU subtended conferences is opened for obtaining；
First judge module, for whether judging between multiple MCU with least two cascade mode
In the first cascade mode cascade successfully；
First detection module, for when judged result for it is no when, detect in multiple MCU with described the
First MCU of one cascade mode cascade failure；
First mode handover module, for switching the first MCU with least two cascade mode
The second cascade mode cascaded；
Meeting Held module, for when the first MCU is cascaded successfully with second cascade mode,
According to the meeting open command, the MCU subtended conferences are held.
9. control system according to claim 8, it is characterised in that the control system also includes：
Second detection module, during detecting that the MCU subtended conferences are held, if exist with institute
State the 2nd MCU of the first cascade mode cascade failure at least two cascade modes；
Second mode handover module, for when the test results is yes, switching the described of the 2nd MCU
First cascade mode is that the second cascade mode at least two cascade mode is cascaded.
10. control system according to claim 8, it is characterised in that the control system also includes：
3rd detection module, during detecting that the MCU subtended conferences are held, multiple MCU
In the 3rd MCU of the unlatching MCU subtended conferences whether break down；
Second judge module, for when detecting the 3rd MCU failures, judging whether
With the 3rd MCU with the first cascade mode cascade the successful 4th at least two cascade mode
MCU；
First conference backup module, during for being when judged result, the MCU subtended conferences are backed up
On to the 4th MCU.
11. control system according to claim 10, it is characterised in that the control system also includes：
3rd judge module, for when judged result is no, judging whether and the 3rd MCU
Successful 4th MCU is cascaded with the second cascade mode at least two cascade mode；
Second conference backup module, during for being when judged result, the MCU subtended conferences are backed up
On to the 4th MCU.
Priority Applications (2)
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| CN201610268826.5A CN107317995A (en) | 2016-04-26 | 2016-04-26 | A kind of MCU cascade structures and its control method and control system |
| PCT/CN2017/079935 WO2017185967A1 (en) | 2016-04-26 | 2017-04-10 | Mcu cascade structure and control method, system and storage medium |
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