CN201830291U - Video conference accelerating system based on overlay network system - Google Patents
Video conference accelerating system based on overlay network system Download PDFInfo
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- CN201830291U CN201830291U CN2010205921289U CN201020592128U CN201830291U CN 201830291 U CN201830291 U CN 201830291U CN 2010205921289 U CN2010205921289 U CN 2010205921289U CN 201020592128 U CN201020592128 U CN 201020592128U CN 201830291 U CN201830291 U CN 201830291U
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Abstract
The utility model discloses a video conference accelerating system based on an overlay network system, which comprises a plurality of access servers, a video conference MCU (microprogrammed control unit), a video conference terminal and a client terminal. The plurality of access servers are connected by the Internet to form an overlay network; the video conference MCU is connected with the overlay network through the Internet; VPN (virtual private network) connection is established between the client terminal and the plurality of access servers through the Internet; the client terminal comprises two standard interfaces, wherein one interface is connected with the Internet and the other interface is connected with the video conference terminal. The video conference accelerating system based on the overlay network system establishes the overlay network to provide an optimized access route for the connection between the video conference terminal and the video conference MCU, thus reducing the data transmission delay of the video conference, and greatly improving the quality of the video conference.
Description
Technical field
The utility model relates to areas of information technology.The video conference accelerating system that specifically comprehensive internet technique, overlay network technology and VPN technologies propose.
Background technology
In recent years, along with the continuous quickening of information construction, the continuous innovation of technology, development at full speed has been obtained in video conference market.Particularly after having experienced incidents such as SARS, bird flu, financial crisis, H1N1, unprecedented especially the consistent of enterprise that obtained in video conference market admitted.Characteristics such as the quick facility of video conferencing system have obtained fully playing.Nowadays, more and more enterprises is noticed Working informationization, intellectuality can be to the problem of a large amount of travel charges of the saving that enterprise brings and manpower and materials, and video conferencing system also becomes the important application instrument in the business administration under the prerequisite of propping up for enterprise's joint.
Yet the present network teleconference also exists a very big defective, and that is exactly because the variation of network access mode, growing in the middle of the process of Distance Transmission, through regular meeting occur shape of the mouth as one speaks harmony cent from phenomenon, the delay of picture often takes place.So the present network teleconference also is only limited to the few's part use early, really accomplish to carry out meeting everywhere everywhere, it is crucial solving transmission problem.
Summary of the invention
The purpose of this utility model is to reduce the transmission delay of videoconference data, improves the Internet accelerating system of video conference quality.
The purpose of this utility model is achieved in that
A kind of video conference accelerating system based on overlay network, characteristics are that this system comprises: several access servers, video conference MCU, user terminal and video conference terminal, described several access servers link to each other by the Internet with several access servers, constitute overlay network; Video conference MCU links to each other with overlay network by the Internet; User terminal is set up the Virtual Private Network passage by the Internet and several access servers; Described user terminal comprises two standard interfaces, and one of them interface links to each other with the Internet, and another interface links to each other with video conference terminal.
Described overlay network is being linked to each other by unicast mechanisms between the node on the basis of bottom-layer network in twos by many access servers.
Be connected by VPN between described user terminal and the access server.
The optimization path that provides by VPN passage between user terminal and the access server and overlay network between described video conference terminal and the video conference MCU is connected.
For reaching the purpose that internet, applications is quickened, the utility model has adopted following technology:
1, overlay network (Overlay Network also claims nerve of a covering, overlay network) technology.Overlay network is one and is positioned on one or more already present network independently virtual network, promptly by unicast mechanisms between the node main frame is being linked to each other in twos on the basis of bottom-layer network, forming virtual a, network independently, just looks like the new network of one deck that superposeed on original network.Can think that Internet is exactly a kind of overlay network,, increase the Internet protocol head for all bags because Internet is based upon on all kinds of local area network (LAN)s (as Ethernet), in order to connecting the main frame in each local area network (LAN), the new network of the one deck that forms.
2, virtual private network technology (VPN, Virtual Private Network).VPN utilizes the Internet or the infrastructure of other the Internet to create the tunnel for the user, utilizes technology such as encryption, authentication to guarantee the fail safe of VPN network, thereby safety and the function guarantee the same with dedicated network can be provided.
The utility model is made up of user terminal, internet, access server and video conferencing system.Wherein undertaken by the internet between the access server interconnected, interconnected in twos between the access server by setting up secure tunnel, constitute the overlay network (Overlay Network) of ad hoc structure.User terminal is installed in the user network, sets up VPN by internet and access server and is connected, thereby be linked in the overlay network by access server.Video conferencing system is by video conference terminal and video conference MCU(multipoint controller) form.
Access server in the utility model can be positioned at the optional position of the Internet, each access server is all surveyed the quality in the Internet path between it and other access servers, sets up the path quality table that comprises parameters such as packet loss, time delay and throughput by testing result.The user is during from the inserting more arbitrarily of overlay network, this access server can be according to the different purpose application server that inserts the user, from the good path quality table of previous foundation, select suitable path, user's data stream just can be transmitted according to selected path then, gives application server data delivery by last access server.
Access server of the present utility model adopts the server hardware of dependable performance, and Windows operating system or Unix/Linux operating system are installed, and the software that is used to provide the software of VPN access service and is used to make up overlay network (Overlay) is installed simultaneously.
All access servers in the utility model can be accepted the connection request of user terminal as VPN Server.Owing to set up overlay network between all access servers, so overlay network also can be regarded as a kind of complete distributed VPN network by secure tunnel.Such structure has realized load balance between the access server, has improved the VPN network throughput.Simultaneously certain access server need to safeguard, upgrade or break down can't work in, can proper communication between other access server, thereby solved Single Point of Faliure, improved the robustness and the reliability of whole VPN network based on user's tradition VPN Server.
Be connected the security key management technology that adopted between user terminal and the access server, the both possesses the X.509 digital certificate that control centre issues, before connecting, to carry out the digital certificate checking, have only by checking and just can connect, just can carry out transfer of data then, the data of transmitting between user terminal and the access server are all passed through SSL and are encrypted.These safety measures can guarantee the Information Security that the user uses in enterprises such as using ERP.
User terminal of the present utility model adopts embedded design, uses special-purpose high speed embedded chip, and highly integrated, compact design of electronic circuits is provided with two standard RJ45 interfaces.This user terminal prepackage embeds linux system, and embedded WebService can carry out telemanagement by browser, adopts ICP/IP protocol to carry out message transmission simultaneously, uses simply, has very strong scene operation high reliability and high performance price ratio.User terminal has router feature, can be according to the different mining of the purpose application server of enterprise customer visit with different routing policies.
The utility model has reduced the transmission delay of videoconference data by making up overlay network for being connected between video conference terminal and the video conference MCU provides the optimization access path, can promote the quality of video conference greatly.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is an application schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is elaborated.
Consult Fig. 1, Fig. 2, the utility model is based on the internet framework, and user terminal 104 is provided with the RJ-45 interface of two standards, and one of them is as the Local Area Network interface, link to each other with video conference terminal 105, another mouthful links to each other with the Internet as wide area network (WAN) interface.User terminal is operated under the bridge pattern, mode with series connection inserts between video conference terminal 105 and the Internet, the user needn't reset and revise route, the network equipment in user's legacy network (comprising main frame, router, work station etc.) and the setting (comprising IP address and gateway) of all computers do not need to carry out any modification, can not influence the normal use of network in layoutprocedure.
After finishing necessary configuration, user terminal 104 can be set up VPN with access server 101 nearby automatically and be connected, and connection procedure is as follows:
1) connection speed of user terminal 104 automatic detections and each access server 101 is selected the fastest access server of connection speed then, proposes the access request to this access server, and the digital certificate of user terminal is provided simultaneously;
2) access server 101 is verified customer digital certificate after receiving the access application of user terminal 104, if checking does not insert request by refusing user's then, if reply by then sending to accept to insert to user terminal;
3) setting up VPN with access server 101 after user terminal 104 receives and accepts to reply is connected.
After connecting foundation, user terminal can be resolved all packets by it automatically, and the transfer of data between video terminal 105 and the video conference MCU 103 will enter in the overlapping network of being made up of access server 101 102 by newly-established VPN passage.The data of video conference terminal arrive MCU has mulitpath to select, system path to user data in overlay network is optimized, automatically select to postpone minimum path, thereby reduce the delay between video conference terminal and the MCU, the final purpose that realizes promoting the video conference quality.
Claims (4)
1. video conference accelerating system based on overlay network, it is characterized in that this system comprises: several access servers (101), video conference MCU(103), user terminal (104) and video conference terminal (105), described several access servers (101) link to each other by the Internet with several access servers (101), constitute overlay network (102); Video conference MCU(103) links to each other with overlay network (102) by the Internet; User terminal (104) is set up the VPN(Virtual Private Network) passage by the Internet and several access servers (101); Described user terminal (104) comprises two standard interfaces, and one of them interface links to each other with the Internet, and another interface links to each other with video conference terminal (105).
2. the video conference accelerating system based on overlay network according to claim 1 is characterized in that overlay network (102) is being linked to each other by unicast mechanisms between the node on the basis of bottom-layer network in twos by many access servers (101).
3. the video conference accelerating system based on overlay network according to claim 1 is characterized in that being connected by VPN between user terminal (104) and the access server (101).
4. the video conference accelerating system based on overlay network according to claim 1 is characterized in that video conference terminal (105) and video conference MCU(103) between the optimization path that provides by VPN passage between user terminal (104) and the access server (101) and overlay network (102) be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205921289U CN201830291U (en) | 2010-11-04 | 2010-11-04 | Video conference accelerating system based on overlay network system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205921289U CN201830291U (en) | 2010-11-04 | 2010-11-04 | Video conference accelerating system based on overlay network system |
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| Publication Number | Publication Date |
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| CN201830291U true CN201830291U (en) | 2011-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010205921289U Expired - Lifetime CN201830291U (en) | 2010-11-04 | 2010-11-04 | Video conference accelerating system based on overlay network system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103327288A (en) * | 2013-06-08 | 2013-09-25 | 青岛优视通网络有限公司 | Video communication system capable of passing through firewall |
| CN104168210A (en) * | 2014-08-08 | 2014-11-26 | 网宿科技股份有限公司 | Network software accelerating system based on intelligent routing |
| CN107959820A (en) * | 2017-11-27 | 2018-04-24 | 安徽威斯贝尔智能科技有限公司 | A kind of visual meeting room integrated communication management system |
-
2010
- 2010-11-04 CN CN2010205921289U patent/CN201830291U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103327288A (en) * | 2013-06-08 | 2013-09-25 | 青岛优视通网络有限公司 | Video communication system capable of passing through firewall |
| CN104168210A (en) * | 2014-08-08 | 2014-11-26 | 网宿科技股份有限公司 | Network software accelerating system based on intelligent routing |
| CN107959820A (en) * | 2017-11-27 | 2018-04-24 | 安徽威斯贝尔智能科技有限公司 | A kind of visual meeting room integrated communication management system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170309 Address after: 200062 Shanghai city Putuo District Maple Road No. 138 Patentee after: Lanxin Network Co., Ltd. Patentee after: Shanghai chi chi Network Technology Co., Ltd. Address before: 200062 Shanghai city Putuo District Maple Road No. 138 Patentee before: Lanxin Network Co., Ltd. |
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| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110511 |
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| CX01 | Expiry of patent term |