CN113810651A - Video communication system and method based on multi-cloud mixed deployment - Google Patents
Video communication system and method based on multi-cloud mixed deployment Download PDFInfo
- Publication number
- CN113810651A CN113810651A CN202110972193.7A CN202110972193A CN113810651A CN 113810651 A CN113810651 A CN 113810651A CN 202110972193 A CN202110972193 A CN 202110972193A CN 113810651 A CN113810651 A CN 113810651A
- Authority
- CN
- China
- Prior art keywords
- video
- cloud
- media server
- private cloud
- component
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004891 communication Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000000977 initiatory effect Effects 0.000 claims abstract description 6
- 238000012546 transfer Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- 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
- H04N7/155—Conference systems involving storage of or access to video conference sessions
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Telephonic Communication Services (AREA)
Abstract
The invention relates to a video communication system and a method based on multi-cloud mixed deployment, wherein the system comprises a video client, a private cloud component and a plurality of public cloud components which are respectively connected with the private cloud components, the private cloud components comprise a plurality of private cloud media servers and private cloud service servers, the public cloud components comprise a plurality of public cloud media servers, the video client is used for initiating a video connection request to the private cloud components, receiving a media server address returned by the private cloud components and initiating a video call; the private cloud service server receives a video connection request from a video client and allocates a corresponding media server for the video client; the private cloud media server and the public cloud media server receive video calls of the video client and establish video communication with the video client, and the method is based on the system. Compared with the prior art, the invention has the advantages of strong safety, high stability and the like.
Description
Technical Field
The invention relates to the field of video communication, in particular to a video communication system and method based on multi-cloud mixed deployment.
Background
With the rapid development of the internet, the hardware conference in the original fixed conference place can not meet the requirements, and the requirement for opening the internet conference at a PC end or a mobile phone end at any time and any place is more and more prominent. With the increasing demand of online video conferences and live conferences and the particular demand of product training, a large conference of tens of thousands of people and even hundreds of thousands of people adopts a video + live mode.
Based on the use scene, the video conference of 1 ten thousand people needs about 20Gb bandwidth for prediction because of huge flow of video media streams. In the prior art, a pure public cloud deployment server can be adopted, but certain potential safety hazards can be brought, a sensitive conference can be caused when data falls to the ground of a public cloud, and the confidentiality of user data can not be effectively guaranteed; a pure private cloud deployment may also be used, but the bandwidth cost of the operator is very expensive and difficult to implement.
Disclosure of Invention
The present invention is directed to provide a video communication system and method based on multi-cloud hybrid deployment to overcome the above-mentioned drawbacks of the prior art.
The purpose of the invention can be realized by the following technical scheme:
a video communication system based on multi-cloud mixed deployment comprises a video client, a private cloud component and a plurality of public cloud components which are respectively connected with the private cloud component, wherein the private cloud component comprises a plurality of private cloud media servers and private cloud service servers, the public cloud component comprises a plurality of public cloud media servers,
the video client is used for initiating a video connection request to the private cloud component, receiving a media server address returned by the private cloud component and initiating a video call;
the private cloud service server receives a video connection request from a video client and allocates a corresponding media server to the video client according to the type of the video connection request and the working state of the media server;
the private cloud media server and the public cloud media server receive video calls of the video client and establish video communication with the video client.
Preferably, the private cloud service server judges the request type of the video connection request,
when the request type is a sensitive conference, the private cloud service server allocates an idle private cloud media server to the video client;
and when the request type is a non-sensitive conference, the private cloud service server allocates an idle private cloud media server or a public cloud media server to the video client.
Preferably, when a media server fails, the video connection of the failed media server is transferred to a non-failed media server.
Preferably, when the private cloud media server fails, transferring the video connection of the failed private cloud media server to other private cloud media servers;
when the public cloud media server fails, transferring the video connection of the failed public cloud media server to other public cloud media servers of the public cloud component;
and when the public cloud component integrally fails, transferring the video connection of the failed public cloud component to the private cloud component and other public cloud components.
Preferably, the private cloud component further comprises a database for storing video data.
Preferably, the video client comprises a video terminal, a personal computer or a mobile phone.
Preferably, the private cloud component is connected with the public cloud component through a cloud private line.
A video communication method based on multi-cloud mixed deployment is based on the video communication system based on multi-cloud mixed deployment, and comprises the following steps:
s1: the video client sends a video connection request to a private cloud service server;
s2: the video client side acquires a video connection request, acquires the working state of each current media server and allocates the media server corresponding to the video client side;
s3: the video client initiates a video call to a corresponding media server;
s4: and the private cloud media server or the public cloud media server receives the video call to complete the establishment of video communication.
Preferably, the step S2 specifically includes:
s21: acquiring a video connection request, judging whether the request type is a sensitive conference, if so, allocating a private cloud media server and entering a step S3, otherwise, entering a step S22;
s22: judging whether the video client sending the video connection request has distribution history, if so, entering a step S23, otherwise, entering a step S25;
s23: judging whether the media server in the distribution history is idle, if so, distributing the media server in the distribution history to the video client sending the video connection request, otherwise, entering the step S24;
s24: judging whether other media servers of the component where the media server in the distribution history is located are idle, if so, distributing the other media servers of the component where the media server in the distribution history is located to the video client, otherwise, entering the step S25;
s25: and distributing the idle private cloud media server or the public cloud media server to the video client.
Preferably, in the step S25, the private cloud media server or the public cloud media server is randomly allocated to the video client according to the ratio of the number of the media servers in the private cloud component or the public cloud component.
Compared with the prior art, the invention has the following advantages:
(1) the video communication system is based on a multi-cloud mixed deployment form, the private cloud media server is arranged in the private cloud, and the public cloud media servers are arranged in the public cloud, so that a sensitive conference is only connected to the private cloud media server, other conferences can be connected to the private cloud media servers through all the media servers, the private cloud environment resources are fully utilized, the safety of video data is effectively guaranteed, high-quality video connection service can be rapidly provided, the bandwidth requirement of video connection of a large population is met, and the enterprise cost is reduced;
(2) according to the invention, the private cloud component and the plurality of public cloud components are arranged, when the media server fails, the server with the failure can be quickly and automatically isolated, the video connection is transferred to the corresponding media server without the failure, the high availability of the video is ensured, the stability and the reliability of the system are improved, and the influence of the equipment failure on the video connection is reduced to the greatest extent.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention;
FIG. 2 is a flow chart of the present invention.
The system comprises a video client, a private cloud component, a public cloud component, a private cloud media server, a private cloud service server, a public cloud media server, a cloud special line and a database, wherein 1 the video client, 2 the private cloud component, 3 the public cloud component, 4 the private cloud media server, 5 the private cloud service server, 6 the public cloud media server, 7 the cloud special line and 8 the database.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. Note that the following description of the embodiments is merely a substantial example, and the present invention is not intended to be limited to the application or the use thereof, and is not limited to the following embodiments.
Examples
A video communication system based on multi-cloud mixed deployment is shown in figure 1 and comprises a video client 1, a private cloud component 2 and a plurality of public cloud components 3 which are respectively connected with the private cloud component 2 through a cloud private line 7, wherein the video client 1 comprises a video terminal, a personal computer with a video function or a mobile phone with the video function.
Specifically, the video client 1 is configured to initiate a video connection request to the private cloud component 2, receive a media server address returned by the private cloud component 2, and initiate a video call; the private cloud component 2 comprises a plurality of private cloud media servers 4, a private cloud service server 5, the private cloud component 2 further comprises a database 8 for storing video data, the private cloud media servers 4 receive video calls of the video client 1 and establish video communication with the video client 1, and the private cloud service server 5 can receive video connection requests from the video client 1 and allocate corresponding media servers to the video client 1 according to the types of the video connection requests and the working states of the media servers; the public cloud component 3 comprises a plurality of public cloud media servers 6, the functions of the public cloud media servers 6 and the private cloud media servers 4 are media servers, and the public cloud media servers and the private cloud media servers can both receive video calls of the video client 1 and establish video communication with the video client 1.
In the invention, in order to prevent data leakage caused by falling to a public cloud and also meet the bandwidth requirement after the number of video people is increased, a private cloud component 2 and a public cloud component 3 are arranged and comprise media servers.
In order to improve data confidentiality, the private cloud service server 5 judges the request type of the video connection request, and when the request type is a sensitive conference, the private cloud service server 5 allocates an idle private cloud media server 4 to the video client 1; when the request type is a non-sensitive conference, the private cloud service server 5 allocates an idle private cloud media server 4 or a public cloud media server 6 to the video client 1. For the sensitive conference, only the private cloud media server 4 is used for communication connection, and for the non-sensitive conference, both the private cloud media server 4 and the public cloud media server 6 can be used, so that the utilization rate of the servers is improved, and the data confidentiality is ensured.
In addition, the mixed distributed deployment private cloud component 2 and the public cloud component 3 can improve system redundancy and effectively reduce the influence of single platform faults on video connection, the private cloud service server 5 monitors the faults of the private cloud media server 4 and the public cloud media server 6 in real time, and when the media servers are in faults, the video connection of the media servers in the faults is transferred to the media servers without the faults, specifically:
when the private cloud media server 4 fails, isolating the failed private cloud media server 4, and transferring the video connection of the failed private cloud media server 4 to other private cloud media servers 4;
when the public cloud media server 6 fails, isolating the public cloud media server 6 with the failure, and transferring the video connection of the public cloud media server 6 with the failure to other public cloud media servers 6 of the public cloud component 3;
when the public cloud component 3 is wholly failed, the failed public cloud component 3 is isolated, and the video connection of the failed public cloud component 3 is transferred to the private cloud component 2 and other public cloud components 3. When the public cloud component 3 is in overall failure and video connection transfer is carried out, the video connection transfer is carried out to the private cloud component 2 and other public cloud components 3 according to the number proportion of the media servers. Set up two private cloud media servers 4 like private cloud subassembly 2, set up two public cloud subassemblies 3, every sets up three public cloud media servers 6, when a public cloud subassembly 3 overall failure, press 2 with this public cloud subassembly 3's video connection: a ratio of 3 is assigned to the private cloud component 2 and the public cloud component 3.
In the invention, the video data are all stored in the database 8 in the private cloud component 2, so that data leakage is prevented, and the safety performance of the system is improved.
In addition, when the system is applied to a large conference scene, most participants do not need to speak, a video + live conference mode is adopted, video connection is established between the video client 1 and the public cloud component 3, the video client 1 can freely select the public cloud component 3 for establishing video connection, high availability of live broadcasting is guaranteed, and the public cloud component 3 is accelerated through the global CDN, so that low time delay of the live conference is guaranteed.
In this embodiment, in order to effectively implement the video connection function, the private cloud component 2 further includes a whiteboard server for whiteboard interaction, a service proxy server, a terminal management server for managing each terminal, and an object storage for storing a video object.
A video communication method based on multi-cloud hybrid deployment, as shown in fig. 2, based on the video communication system based on multi-cloud hybrid deployment, includes the following steps:
s1: the video client 1 sends a video connection request to the private cloud service server 5.
S2: the video client 1 obtains the video connection request, obtains the working state of each current media server, and allocates the media server corresponding to the video client 1.
Step S2 specifically includes:
s21: acquiring a video connection request, judging whether the request type is a sensitive conference, if so, distributing a private cloud media server 4 and entering a step S3, otherwise, entering a step S22;
s22: judging whether the video client 1 sending the video connection request has distribution history, if so, entering a step S23, otherwise, entering a step S25;
s23: judging whether the media server in the distribution history is idle, if so, distributing the media server in the distribution history to the video client 1 sending the video connection request, otherwise, entering the step S24;
s24: judging whether other media servers of the component where the media server in the distribution history is located are idle, if so, distributing the other media servers of the component where the media server in the distribution history is located to the video client 1, otherwise, entering the step S25;
s25: and allocating an idle private cloud media server 4 or a public cloud media server 6 to the video client 1. In step S25, the private cloud media server 4 or the public cloud media server 6 is randomly allocated to the video client 1 according to the ratio of the number of the media servers in the private cloud component 2 and the public cloud component 3. For example, the private cloud component 2 is provided with two private cloud media servers 4, two public cloud components 3, each of the two public cloud media servers is provided with three public cloud media servers 6, all the media servers are idle, and then the distribution ratio of the private cloud component 2 to the two public cloud components 3 is 2: 3: and 3, randomly allocating a private cloud media server 4 or a public cloud media server 6 to the video client 1 according to the number ratio.
Based on step S2, after the client initiates video connection, the same video client 1 will preferentially establish connection with the same media server within the carrying range of the media server; if the bearing range of the media server is exceeded, connection with the media server in the same component is preferentially established; if the bearing range of the component is exceeded, the component is randomly distributed to the idle media server according to the proportion.
S3: the video client 1 initiates a video call to the corresponding media server.
S4: and the private cloud media server 4 or the public cloud media server 6 receives the video call to complete the establishment of the video communication.
The above embodiments are merely examples and do not limit the scope of the present invention. These embodiments may be implemented in other various manners, and various omissions, substitutions, and changes may be made without departing from the technical spirit of the present invention.
Claims (10)
1. A video communication system based on multi-cloud mixed deployment is characterized by comprising a video client, a private cloud component and a plurality of public cloud components which are respectively connected with the private cloud component, wherein the private cloud component comprises a plurality of private cloud media servers and private cloud service servers, the public cloud component comprises a plurality of public cloud media servers,
the video client is used for initiating a video connection request to the private cloud component, receiving a media server address returned by the private cloud component and initiating a video call;
the private cloud service server receives a video connection request from a video client and allocates a corresponding media server to the video client according to the type of the video connection request and the working state of the media server;
the private cloud media server and the public cloud media server receive video calls of the video client and establish video communication with the video client.
2. The multi-cloud hybrid deployment-based video communication system as claimed in claim 1, wherein the private cloud service server determines a request type of the video connection request,
when the request type is a sensitive conference, the private cloud service server allocates an idle private cloud media server to the video client;
and when the request type is a non-sensitive conference, the private cloud service server allocates an idle private cloud media server or a public cloud media server to the video client.
3. The multi-cloud hybrid deployment-based video communication system of claim 1, wherein when a media server fails, a video connection of the failed media server is transferred to a non-failed media server.
4. The multi-cloud hybrid deployment-based video communication system according to claim 3, wherein when the private cloud media server fails, the video connection of the failed private cloud media server is transferred to other private cloud media servers;
when the public cloud media server fails, transferring the video connection of the failed public cloud media server to other public cloud media servers of the public cloud component;
and when the public cloud component integrally fails, transferring the video connection of the failed public cloud component to the private cloud component and other public cloud components.
5. The multi-cloud hybrid deployment-based video communication system as claimed in claim 1, wherein the private cloud component further comprises a database for storing video data.
6. The multi-cloud hybrid deployment-based video communication system as claimed in claim 1, wherein the video client comprises a video terminal, a personal computer or a mobile phone.
7. The multi-cloud hybrid deployment-based video communication system as claimed in claim 1, wherein the private cloud component is connected to the public cloud component via a dedicated cloud line.
8. A video communication method based on multi-cloud mixed deployment is based on the video communication system based on multi-cloud mixed deployment of any one of claims 1 to 7, and is characterized by comprising the following steps:
s1: the video client sends a video connection request to a private cloud service server;
s2: the video client side acquires a video connection request, acquires the working state of each current media server and allocates the media server corresponding to the video client side;
s3: the video client initiates a video call to a corresponding media server;
s4: and the private cloud media server or the public cloud media server receives the video call to complete the establishment of video communication.
9. The video communication method based on multi-cloud hybrid deployment according to claim 8, wherein the step S2 specifically includes:
s21: acquiring a video connection request, judging whether the request type is a sensitive conference, if so, allocating a private cloud media server and entering a step S3, otherwise, entering a step S22;
s22: judging whether the video client sending the video connection request has distribution history, if so, entering a step S23, otherwise, entering a step S25;
s23: judging whether the media server in the distribution history is idle, if so, distributing the media server in the distribution history to the video client sending the video connection request, otherwise, entering the step S24;
s24: judging whether other media servers of the component where the media server in the distribution history is located are idle, if so, distributing the other media servers of the component where the media server in the distribution history is located to the video client, otherwise, entering the step S25;
s25: and distributing the idle private cloud media server or the public cloud media server to the video client.
10. The video communication method based on multi-cloud hybrid deployment according to claim 8, wherein in step S25, the private cloud media servers or the public cloud media servers are randomly allocated to the video client according to a ratio of the number of the media servers in the private cloud component or the public cloud component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110972193.7A CN113810651B (en) | 2021-08-24 | 2021-08-24 | Video communication system and method based on multi-cloud hybrid deployment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110972193.7A CN113810651B (en) | 2021-08-24 | 2021-08-24 | Video communication system and method based on multi-cloud hybrid deployment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113810651A true CN113810651A (en) | 2021-12-17 |
| CN113810651B CN113810651B (en) | 2024-07-05 |
Family
ID=78893961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110972193.7A Active CN113810651B (en) | 2021-08-24 | 2021-08-24 | Video communication system and method based on multi-cloud hybrid deployment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113810651B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9584363B1 (en) * | 2013-11-11 | 2017-02-28 | Softnas, Llc. | Redundant storage solution |
| WO2017173966A1 (en) * | 2016-04-05 | 2017-10-12 | 中兴通讯股份有限公司 | Recording control method and device |
| US20170339065A1 (en) * | 2016-05-20 | 2017-11-23 | Shoretel, Inc. | Hybrid cloud deployment for hybrid unified communications |
| CN108011961A (en) * | 2017-12-07 | 2018-05-08 | 携程旅游信息技术（上海）有限公司 | Voice interactive system based on mixing cloud service |
| CN108768971A (en) * | 2018-05-15 | 2018-11-06 | 平安科技（深圳）有限公司 | information interaction method, device, equipment and readable storage medium |
| CN109445708A (en) * | 2018-11-02 | 2019-03-08 | 南方电网调峰调频发电有限公司 | A kind of transparent fault transfer method based on the privately owned cloud platform of database |
| CN111262931A (en) * | 2020-01-15 | 2020-06-09 | 安徽文香信息技术有限公司 | Media resource deployment system, method, device, storage medium and processor |
| CN111741135A (en) * | 2020-08-19 | 2020-10-02 | 广州汽车集团股份有限公司 | Hybrid cloud disaster recovery system and control method thereof |
| CN112929353A (en) * | 2021-01-28 | 2021-06-08 | 游密科技(深圳)有限公司 | Method, device, server and storage medium for realizing teleconference |
| CN113014847A (en) * | 2021-01-27 | 2021-06-22 | 广州佰锐网络科技有限公司 | Method and system for realizing audio and video communication based on hybrid cloud architecture |
-
2021
- 2021-08-24 CN CN202110972193.7A patent/CN113810651B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9584363B1 (en) * | 2013-11-11 | 2017-02-28 | Softnas, Llc. | Redundant storage solution |
| WO2017173966A1 (en) * | 2016-04-05 | 2017-10-12 | 中兴通讯股份有限公司 | Recording control method and device |
| US20170339065A1 (en) * | 2016-05-20 | 2017-11-23 | Shoretel, Inc. | Hybrid cloud deployment for hybrid unified communications |
| CN108011961A (en) * | 2017-12-07 | 2018-05-08 | 携程旅游信息技术（上海）有限公司 | Voice interactive system based on mixing cloud service |
| CN108768971A (en) * | 2018-05-15 | 2018-11-06 | 平安科技（深圳）有限公司 | information interaction method, device, equipment and readable storage medium |
| CN109445708A (en) * | 2018-11-02 | 2019-03-08 | 南方电网调峰调频发电有限公司 | A kind of transparent fault transfer method based on the privately owned cloud platform of database |
| CN111262931A (en) * | 2020-01-15 | 2020-06-09 | 安徽文香信息技术有限公司 | Media resource deployment system, method, device, storage medium and processor |
| CN111741135A (en) * | 2020-08-19 | 2020-10-02 | 广州汽车集团股份有限公司 | Hybrid cloud disaster recovery system and control method thereof |
| CN113014847A (en) * | 2021-01-27 | 2021-06-22 | 广州佰锐网络科技有限公司 | Method and system for realizing audio and video communication based on hybrid cloud architecture |
| CN112929353A (en) * | 2021-01-28 | 2021-06-08 | 游密科技(深圳)有限公司 | Method, device, server and storage medium for realizing teleconference |
Non-Patent Citations (1)
| Title |
|---|
| 张力平;: "互联网+浪潮催热混合云", 电信快报, no. 05 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113810651B (en) | 2024-07-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11546387B2 (en) | Network conference management method and apparatus and storage medium, and network conference platform and system | |
| CN109067578B (en) | Method and device for multicast fast switching | |
| CN110071965B (en) | Data center management system based on cloud platform | |
| CN108289187A (en) | Network direct broadcasting accesses video-meeting method and system | |
| CN110225146B (en) | Intranet and extranet mapping method and device, electronic equipment, medium and video conference system | |
| CN101459836B (en) | Service processing method and system for content distributing network of interactive network television | |
| CN111432158B (en) | Load balancing method and device for media nodes, storage medium and electronic device | |
| US9729347B2 (en) | System and method for selection of a conference bridge master server | |
| CN110290140B (en) | Multimedia data processing method and device, storage medium and electronic equipment | |
| CN113014847B (en) | Method and system for realizing audio and video communication based on hybrid cloud architecture | |
| CN107508790A (en) | The conference system and its cut-in method for supporting heterogeneous terminals to be accessed by cloud platform | |
| CN111131759B (en) | Real-time multimedia transmission system and use method thereof | |
| CN101656723A (en) | A multimedia conference capacity-expanding system, realization method and WEB server | |
| US9473316B2 (en) | Resource consumption reduction via meeting affinity | |
| CN113765710B (en) | Request processing system and method based on multi-activity hybrid cloud deployment | |
| EP2583431B1 (en) | Procedure for commercial communications | |
| CN101938427B (en) | Re-directing method and device in global load balance | |
| CN112613919A (en) | Information processing method and related device | |
| CN113810651B (en) | Video communication system and method based on multi-cloud hybrid deployment | |
| CN111654526A (en) | Load balancing method and system for streaming media server | |
| Liu et al. | PAT: Peer-assisted transcoding for overlay streaming to heterogeneous devices | |
| CN104168176B (en) | A kind of instant communication method, client, server and system | |
| CN100542099C (en) | A kind of multipoint control unit and based on the shared method and the conference system of IP network | |
| CN110730172B (en) | Video conference realization method and device | |
| KR20100052025A (en) | Bandwidth sharing type content providing system and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |