CN101388997A - Method and system for establishing video conference - Google Patents
Method and system for establishing video conference Download PDFInfo
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- CN101388997A CN101388997A CNA2008102248133A CN200810224813A CN101388997A CN 101388997 A CN101388997 A CN 101388997A CN A2008102248133 A CNA2008102248133 A CN A2008102248133A CN 200810224813 A CN200810224813 A CN 200810224813A CN 101388997 A CN101388997 A CN 101388997A
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Abstract
A method and a system for establishing a video conference are disclosed, which are applied to a video conference network comprising a plurality of multipoint control units (MCU), wherein the method comprises the steps of: establishing tree-like cascade relation of each MCU; reporting progressively the top MCU from other MCUs to an original place list of the top MCU, selecting identifiers gathering the place of the video conference to form a reservation place list, and issuing the reservation place list and conference information for the video conference to other MCUs; the method also comprises the step that: each MCU utilizes the conference information and the reservation place list to configure itself with a view to the video conference, and uses the configuration to establish the video conference. The invention can more simply and conveniently realize establishment of the video conference in the case that scale of the video conference network is vast, involving places or MCUs are more.
Description
Technical field
The present invention relates to the multimedia communication technology field, particularly a kind of method and system of setting up video conference.
Background technology
Along with the fast development of network technology, the application of video conference is more and more general, and video conference can join a plurality of meeting-place that are in diverse geographic location in the same meeting and communicate.Owing to the meeting-place number in the meeting is more and more, may relate to hundreds and thousands of meeting-place, the capacity of single multipoint control unit (MCU) obviously can not be supported more and more huger meeting, therefore the concatenation technology of MCU arises at the historic moment, and promptly passing through increases the meeting capacity to a plurality of MCU are carried out cascade.
The concatenation technology of MCU mainly is divided into two kinds of simple cascade and cross complaint cascades, and wherein, simple cascade is meant between the MCU of each cascade does not have control relation, and each MCU only adds meeting as the ordinary terminal of other MCU; The cross complaint cascade is meant and has control and Be Controlled relation between the MCU of each cascade that higher level MCU can control the terminal of the MCU of subordinate, owing to the cross complaint cascade can bring better user experience to be widely used further.
The implementation method of cross complaint cascade mainly is a plurality of MCU to be divided into main MCU and from MCU in the prior art, with structure shown in Figure 1 is example, specifying MCU 1 is main MCU, and MCU 2 and MCU 3 are from MCU, and each MCU directly connects 4 meeting-place and stores the original site list that comprises these 4 meeting-place.Comprise meeting-place 11 if set up one, meeting-place 12, meeting-place 21, meeting-place 22, the video conference in meeting-place 31 and meeting-place 32, then need webmaster to login the control interface of each MCU respectively, each MCU is carried out the configuration of conferencing information and reservation site list, wherein, conferencing information can comprise: meeting identification, conference model, information such as meeting time span and meeting start time, the reservation site list identifies for the meeting-place that belongs to this MCU that this video conference comprised, for example, the reservation site list of configuration comprises meeting-place 11 and meeting-place 12 on MCU 1, the reservation site list of configuration comprises meeting-place 21 and meeting-place 22 on MCU 2, and the reservation site list of configuration comprises meeting-place 31 and meeting-place 33 on MCU 3.Because conferencing information and reservation site list need be configured on each MCU according to the demand of reality, therefore,, the meeting-place that relate to huger or MCU in video conference network more for a long time, this mode is obviously operated more complicated and trouble.
The another kind of method of prior art as shown in Figure 2, by unified conference management platform each MCU is configured, though this mode need not be logined the control interface of each MCU one by one, but, also need webmaster each MCU to be carried out the configuration of conferencing information and reservation site list by the conference management platform, deploy content and last a kind of method are basic identical, obviously huger, the meeting-place that relates to or MCU in video conference network more for a long time, also can there be the problem of operation more complicated and trouble in this mode.
Summary of the invention
In view of this, the invention provides a kind of method and system of setting up video conference, so that realize the foundation of video conference more simply and easily.
A kind of method of setting up video conference is applied to comprise the video conference network of a plurality of point control unit MCU, and this method comprises:
A, set up the tree-like cascade relation of each MCU;
Top MCU in B, the described tree-like cascade relation is reported to the original site list of the original site list of this top MCU and this top MCU step by step from other each MCU, the sign that select to participate in the meeting-place of video conference constitutes the reservation site list, and will preengage site list and be handed down to described other each MCU step by step at the conferencing information of this video conference;
C, each MCU utilize described conferencing information and reservation site list to self carrying out the configuration at described video conference, and utilize this configuration to set up video conference.
A kind of system that sets up video conference, this system comprises a plurality of MCU, sets up tree-like cascade relation between described a plurality of MCU;
Top MCU in the described tree-like cascade relation, be used for being reported to the original site list of this top MCU and the original site list of this top MCU step by step from other each MCU, the sign that select to participate in the meeting-place of video conference constitutes the reservation site list, and will preengage site list and be handed down to described other each MCU step by step at the conferencing information of this video conference; Utilize described conferencing information and reservation site list to self carrying out configuration, and utilize this configuration to set up video conference at described video conference;
Described other each MCU is used for reporting to described top MCU step by step self original site list; After receiving described reservation site list and conferencing information, and if had next stage MCU with described conferencing information and the reservation site list be transmitted to next stage MCU; The reservation site list that utilization receives and at the conferencing information of this video conference to self carrying out configuration at described video conference, and utilize this configuration to set up video conference.
As can be seen from the above technical solutions, method and system provided by the present invention is by setting up the tree-like cascade relation of each MCU in the video conference network, top MCU is reported to the original site list of the original site list of this top MCU and this top MCU step by step from other each MCU, the meeting-place sign of selecting to participate in video conference constitutes the reservation site list, and will preengage site list and be handed down to other MCU step by step and carry out the configuration of self, thereby set up video conference for other MCU at the conferencing information of this video conference.That is to say, this method and system is only realized the formation of reservation site list and the configuration of conferencing information on top MCU, dispose other each MCU step by step by the mode of transmitting step by step then, and do not need webmaster that each MCU is carried out the pre-configured of conferencing information and reservation site list separately, obviously, MCU is understood more for a long time in meeting-place huger in video conference network, that relate to, can realize the foundation of video conference more simply and easily.
Description of drawings
Fig. 1 is first kind of structural representation of cross complaint cascade system of the prior art;
Fig. 2 is second kind of structural representation of cross complaint cascade system of the prior art;
Fig. 3 is a main method flow chart of the present invention;
The detailed method flow chart that Fig. 4 provides for the embodiment of the invention;
The tree-like cascade relation figure that Fig. 5 provides for the embodiment of the invention.
Embodiment
In order to make the purpose, technical solutions and advantages of the present invention clearer, describe the present invention below in conjunction with the drawings and specific embodiments.
Method provided by the present invention can be as shown in Figure 3, and Fig. 3 is a main method flow chart of the present invention, and this method mainly may further comprise the steps:
Step 301: the tree-like cascade relation of setting up each MCU.
Step 302: top MCU is reported to the original site list of the original site list of this top MCU and this top MCU step by step from other each MCU, the sign that select to participate in the meeting-place of video conference constitutes the reservation site list, and will preengage site list and be handed down to other each MCU step by step at the conferencing information of this video conference.
Step 303: each MCU utilizes this conferencing information and reservation site list to self carrying out the configuration at this video conference, and utilizes this configuration to set up video conference.
Lift a specific embodiment below said method is described in detail, the detailed method flow chart that Fig. 4 provides for the embodiment of the invention, with the example that is cascaded as between 7 MCU, as shown in Figure 4, this method can specifically may further comprise the steps among this embodiment:
Step 401: one of them MCU as top MCU, is disposed the relational tree information of each MCU in this top MCU.
Can specify a MCU to concentrate configuration and the control of finishing other each MCU as top MCU according to actual network conditions in advance, concrete specific mode can be to specify according to the network architecture of reality, for example: the MCU that can be in provincial area is set to top MCU, the MCU that is in the city-level area is as second level MCU, and the MCU in level area, district is set to third level MCU etc.If all MCU are in a regional rank, then can specify one of them MCU arbitrarily is top MCU, perhaps specify the MCU that performance is the highest as top MCU according to the performance of each MCU, perhaps specify one to connect the less MCU in meeting-place according to the real network situation, also can adopt other specific mode, concrete specific mode not limited at this.
After finishing the appointment of top MCU, can on this top MCU, dispose the relational tree information of each MCU according to actual network conditions or demand, promptly plan the tree-like cascade relation of each MCU in advance, make that each MCU can set up tree-like connection according to this tree-like cascade relation of planning in advance in step 402.This be the embodiment of the invention for an example, also can adopt alternate manner to set up the tree-like connection of each MCU.
Step 402: top MCU is according to the relational tree information foundation of configuration and being connected of secondary MCU, and this relational tree information sent to secondary MCU, secondary MCU utilizes this relational tree information to set up and being connected of three grades of MCU, and this relational tree information sent to three grades of MCU, thereby set up the tree-like cascade relation of each MCU.
Each MCU sets up tree-like connection step by step according to relational tree information, finally can form tree-like connection as shown in Figure 5.
After setting up tree-like connection, if tree-like connection changes, for example there is new MCU to add video conference network, then can rebulid new tree-like the connection according to the method for step 401 and step 402.
Step 403: each MCU monitors the pairing port of tree-like cascade relation of self.
This step is to be convenient to each MCU when the information that receives from higher level or the MCU of subordinate, can make corresponding operation according to this information immediately, and this is the function that MCU possesses usually.
Step 404: top MCU sends list request message to other each MCU step by step, and the MCU that receives list request message reports the original site list of each MCU step by step to top MCU.
Because the meeting-place number that may comprise in the video conference network is huger, not all terminal all will be participated in the video conference that will set up, therefore, for the content that reduces the original site list that in network, transmits with alleviate reception and the processing pressure of top MCU to the original site list that receives, can divide into groups to each meeting-place in advance, and the group character under each meeting-place of interpolation in the original site list of each MCU storage, for example, can in advance each meeting-place be divided into administration department, research and development department, market department etc., be designated 001,002 and 003 respectively.
Usually the probability that video conference is carried out in the meeting-place that belongs to a grouping together is bigger, and for example video conference can be carried out than Chang Yiqi in several meeting-place of administration department.When needs carried out the video conference of some groupings, top MCU can carry the group character that will carry out video conference in the list request message that sends step by step.After each MCU received list request message, original site list self is corresponding with this group character according to group character wherein reported top MCU step by step.So just can reduce top MCU reception and processing pressure to original site list in step 405.If when MCU in the video network or meeting-place negligible amounts or the meeting-place of participation video conference does not belong under the situation of same grouping, also can not adopt list request message to carry the mode of group character, after each MCU receives list request message, all original site lists of self storing are reported top MCU step by step.
The group character of carrying in the list request message can realize in the mode of prefix, also can realize by forms such as flag bit or labels.
In addition, when reporting original site list step by step, with Fig. 5 is example, more excellent mode is: the MCU of afterbody MCU (i.e. three grades of MCU among the figure) reports the original site list of self to secondary MCU, after secondary MCU receives the original site list that three grades of MCU report, the original site list that adds self reports top MCU, and top MCU forms total original site list at the original site list that adds self.
Step 405: top MCU is from original site list and the original site list of self that other each MCU reports step by step, the sign that select to participate in the meeting-place of video conference constitutes the reservation site list, and will preengage site list and be handed down to other each MCU step by step at the conferencing information of this video conference.
Discuss the configuration of information and reservation site list in this step in the enterprising guild of top MCU.Wherein, conferencing information is same as the prior art, can comprise information such as meeting identification, conference model, meeting time span and meeting start time.Can comprise the conferencing information that is provided with respectively at each MCU in this conferencing information, also can comprise the common conferencing information that is provided with all MCU.
Step 406: each MCU utilizes this conferencing information and reservation site list to self carrying out the configuration at this video conference.
Each MCU can carry out the parameter configuration of video conference according to this conferencing information, and in addition, each MCU determines and storage belongs to the meeting-place of this MCU self from the reservation site list that receives.
Step 407: the meeting start time that comprises in conferencing information then, each MCU is according to self configuration at this video conference, set up the video conference connection and the foundation that belong to the meeting-place of this MCU in the reservation site list and be connected, thereby set up video conference with the video conference of the MCU of the superior and the subordinate.
Step 408: each MCU determines to belong to the sign in the meeting-place of actual participation video conference in self the meeting-place, and the sign formation activity site list that will determine, and each MCU can be sent to top MCU step by step with the movable site list of self.
Top MCU can know which meeting-place has participated in video conference after getting access to the movable site list and the movable site list of self of each MCU, just can further control the meeting-place that participates in video conference.In addition, top MCU can also merge into all movable site lists a total movable site list, and this total movable site list is handed down to other each MCU step by step, so that other each MCU can both control the meeting-place that participates in video conference.
More than be the description that method provided by the present invention is carried out, below system provided by the present invention be described in detail that this system can comprise a plurality of MCU, set up tree-like cascade relation between these a plurality of MCU.
Wherein, top MCU in the tree-like cascade relation, be used for being reported to the original site list of this top MCU and the original site list of this top MCU step by step from other each MCU, the sign that select to participate in the meeting-place of video conference constitutes the reservation site list, and will preengage site list and be handed down to other each MCU step by step at the conferencing information of this video conference; Utilize conferencing information and reservation site list to self carrying out configuration, and utilize this configuration to set up video conference at video conference.
Other each MCU is used for reporting to top MCU step by step self original site list; After receiving reservation site list and conferencing information, if having next stage MCU then meeting information and reservation site list are transmitted to next stage MCU; The reservation site list that utilization receives and at the conferencing information of this video conference to self carrying out configuration at video conference, and utilize this configuration to set up video conference.
In setting up the process of tree-like cascade relation, the top MCU in this system also is used for according to the relational tree information foundation of each MCU that is configured in this top MCU and being connected of next stage MCU, and this relational tree information is sent to next stage MCU.
Relational tree information wherein can be that webmaster is pre-configured among the top MCU, and this relational tree information can determine that each MCU sets up tree-like cascade relation according to the relational tree information of this configuration according to the real network framework.
Other each MCU also is used for when having next stage MCU, and the relational tree information foundation that utilization receives is connected with next stage MCU's, and relational tree information is transmitted to next stage MCU.
In addition, top MCU can also be used for sending list request message to next stage MCU; Receive the original site list that next stage MCU sends.
Other each MCU also is used for when having next stage MCU the list request message that receives being transmitted to next stage MCU; If there is no next stage MCU then after receiving list request message, sends to upper level MCU with self original site list; If there is next stage MCU, then behind the original site list that receives next stage MCU transmission, in this original site list, adds the original site list of self and send to upper level MCU.
Certainly, other each MCU also can directly report original site list to top MCU after setting up tree-like cascade relation.
Can carry the group character of video conference in the list request message wherein, each MCU determines self to connect meeting-place corresponding with this group character in the meeting-place, makes that each meeting-place in the original site list that reports belongs to the pairing grouping of group character.Alleviate the pressure that top MCU received and handled original site list with this.
Top MCU and other each MCU also are used for carrying out according to conferencing information the parameter configuration of video conference, and determine to belong in the reservation meeting-place that site list comprised the meeting-place of this MCU self; According to parameter configuration, foundation is connected with the video conference in the meeting-place of determining that belongs to this MCU self, and if this MCU exists higher level or the MCU of subordinate, then foundation is connected with the video conference of higher level or the MCU of subordinate, thereby sets up video conference.
Further, top MCU can also be used for determining belonging to the sign in meeting-place of the meeting-place actual participation video conference of self, and with the meeting-place sign formation activity site list of determining; Receive the movable site list that other each MCU reports.
Other each MCU also is used for determining belonging to the sign in meeting-place of the meeting-place actual participation video conference of self, and reports top MCU step by step behind the meeting-place sign formation activity site list that will determine.
This top MCU can control each meeting-place that participates in video conference after getting access to the movable site list of each MCU.
Method and system provided by the present invention is by setting up the tree-like cascade relation of each MCU in the video conference network, top MCU is reported to the original site list of the original site list of this top MCU and this top MCU step by step from other each MCU, the meeting-place sign of selecting to participate in video conference constitutes the reservation site list, and will preengage site list and be handed down to other MCU step by step and carry out the configuration of self, thereby set up video conference for other MCU at the conferencing information of this video conference.That is to say, this method and system is only realized the formation of reservation site list and the configuration of conferencing information on top MCU, dispose other each MCU step by step by the mode of transmitting step by step then, and do not need webmaster that each MCU is carried out the pre-configured of conferencing information and reservation site list separately, obviously, MCU is understood more for a long time in meeting-place huger in video conference network, that relate to, can realize the foundation of video conference more simply and easily.
In addition, method and system provided by the present invention need not the conference management platform additionally is set, and has saved required equipment and the expense expense of conference management platform.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being made, is equal to replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (13)
1, a kind of method of setting up video conference is characterized in that, is applied to comprise the video conference network of a plurality of multipoint control unit MCU, and this method comprises:
A, set up the tree-like cascade relation of each MCU;
Top MCU in B, the described tree-like cascade relation is reported to the original site list of the original site list of this top MCU and this top MCU step by step from other each MCU, the sign that select to participate in the meeting-place of video conference constitutes the reservation site list, and will preengage site list and be handed down to described other each MCU step by step at the conferencing information of this video conference;
C, each MCU utilize described conferencing information and reservation site list to self carrying out the configuration at described video conference, and utilize this configuration to set up video conference.
2, method according to claim 1 is characterized in that, described steps A is specially:
One of them MCU in A1, the described video conference network of appointment is top MCU, the relational tree information of each MCU of configuration in this top MCU;
A2, described top MCU set up and being connected of next stage MCU according to described relational tree information, and described relational tree information is transmitted step by step until afterbody MCU; In described repeating process, there is next stage MCU if receive each MCU of described relational tree information, then set up and being connected of next stage MCU according to described relational tree information.
3, method according to claim 1, it is characterized in that, also comprise after described steps A and before the step B: described top MCU sends list request message to described other each MCU step by step, and the MCU that receives described list request message reports the original site list of each MCU step by step to described top MCU.
4, method according to claim 3 is characterized in that, is divided into groups in each meeting-place in the described video conference network in advance;
Carry the group character of described video conference in the described list request message;
Each meeting-place in the described original site list that reports belongs to the pairing grouping of described group character.
5, method according to claim 3, it is characterized in that, the described MCU that receives described list request message reports the original site list of each MCU to be specially to described top MCU step by step: after afterbody MCU is receiving described list request message, self original site list is reported upper level MCU; After existing each MCU of next stage MCU to receive the original site list that next stage MCU reports, report upper level MCU after in this original site list, adding self original site list, until described top MCU.
6, method according to claim 1 is characterized in that, described step C is specially:
The parameter configuration that C1, described each MCU carry out video conference according to described conferencing information, and determine to belong in the meeting-place that described reservation site list comprised the meeting-place of this MCU self;
C2, each MCU are according to self parameter configuration at this video conference, set up with the video conference in the definite meeting-place that belongs to this MCU self among the step C1 and be connected, and if this MCU exists higher level or the MCU of subordinate, then foundation is connected with the video conference of higher level or the MCU of subordinate.
7, method according to claim 1, it is characterized in that, also comprise after the described step C: described each MCU determines to belong to the sign in the meeting-place of actual participation video conference in self the meeting-place, and behind the sign formation activity site list with the meeting-place determined, reports described top MCU step by step.
8, a kind of system that sets up video conference is characterized in that, this system comprises a plurality of MCU, sets up tree-like cascade relation between described a plurality of MCU;
Top MCU in the described tree-like cascade relation, be used for being reported to the original site list of this top MCU and the original site list of this top MCU step by step from other each MCU, the sign that select to participate in the meeting-place of video conference constitutes the reservation site list, and will preengage site list and be handed down to described other each MCU step by step at the conferencing information of this video conference; Utilize described conferencing information and reservation site list to self carrying out configuration, and utilize this configuration to set up video conference at described video conference;
Described other each MCU is used for reporting to described top MCU step by step self original site list; After receiving described reservation site list and conferencing information, and if had next stage MCU with described conferencing information and the reservation site list be transmitted to next stage MCU; The reservation site list that utilization receives and at the conferencing information of this video conference to self carrying out configuration at described video conference, and utilize this configuration to set up video conference.
9, system according to claim 8 is characterized in that, described top MCU also is used for according to the relational tree information foundation of each MCU that is configured in this top MCU and being connected of next stage MCU, and this relational tree information is sent to next stage MCU;
Described other each MCU also is used for when having next stage MCU, and the relational tree information foundation that utilization receives is connected with next stage MCU's, and described relational tree information is transmitted to next stage MCU.
10, system according to claim 8 is characterized in that, described top MCU also is used for sending list request message to next stage MCU; Receive the original site list that next stage MCU sends;
Described other each MCU also is used for when having next stage MCU the list request message that receives being transmitted to next stage MCU; If there is no next stage MCU then after receiving list request message, sends to upper level MCU with self original site list; If there is next stage MCU, then behind the original site list that receives next stage MCU transmission, in this original site list, adds the original site list of self and send to upper level MCU.
11, system according to claim 10 is characterized in that, carries the group character of described video conference in the described list request message;
Each meeting-place in the described original site list that reports belongs to the pairing grouping of described group character.
12, system according to claim 8, it is characterized in that, described top MCU and other each MCU also are used for carrying out according to described conferencing information the parameter configuration of video conference, and determine to belong in the meeting-place that described reservation site list comprised the meeting-place of this MCU self; According to described parameter configuration, foundation is connected with the video conference in the meeting-place of determining that belongs to this MCU self, and if this MCU exists higher level or the MCU of subordinate, then foundation is connected with the video conference of higher level or the MCU of subordinate, thereby sets up described video conference.
13, system according to claim 8 is characterized in that, described top MCU also is used for determining belonging to the sign in meeting-place of the described video conference of meeting-place actual participation of self, and with the meeting-place sign formation activity site list of determining; Receive the movable site list that other each MCU reports;
Described other each MCU also is used for determining belonging to the sign in meeting-place of the described video conference of meeting-place actual participation of self, and reports described top MCU step by step behind the meeting-place sign formation activity site list that will determine.
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