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Multipoint control unit clustering system and method

A multi-point control unit and trunking system technology, applied in the field of communication, can solve problems such as media stream delay and audio and video quality degradation, and achieve the effects of avoiding audio and video quality loss, easy operation, and improving reliability

Active Publication Date: 2015-12-23
武汉随锐亿山科技有限公司
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Problems solved by technology

[0006] The invention provides a multi-point control unit (MCU) cluster system and method to solve the problems of media stream delay and audio and video quality degradation in video conferencing MCU cascading. At the same time, the system has simple control logic, high reliability, and can be faulted. Restoration and other features

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  • Multipoint control unit clustering system and method

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Embodiment Construction

[0034] In order to facilitate those of ordinary skill in the art to understand and implement the present invention, the present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the implementation examples described here are only used to illustrate and explain the present invention, and are not intended to limit this invention.

[0035] please see figure 1 , a multi-point control unit cluster system provided by the present invention includes a media control server (MCS) and a plurality of media processing servers MPS (MPS1, MPS2, MPS3 and MPS4). MCS is responsible for terminal call access, conference control, media stream forwarding, and MPS scheduling; MPS is responsible for media stream processing, including media stream sending and receiving, audio and video codec, audio mixing, and multi-screen synthesis; MCS and MPS are connected through the network Control message interaction a...

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Abstract

The invention discloses a multipoint control unit clustering system and method. The system comprises a media control server (MCS) and media processing servers (MPS), wherein the MCS receives conference information which is sent by a conference management server and allocates one or more MPSs to a conference according to a load balancing principle. The MCS multicasts or unicasts received media code stream of a terminal to all MPSs for providing the media processing service for the conference; each MPS is respectively responsible for a part of media processing work of the terminal for carrying out sound mixing or multi-image synthesis, the encoded media stream is sent to the MCS and is forwarded to the corresponding terminal through the MCS. When the MCS discovers that one MPS is dropped or one MPS needs maintenance, the MCS stores call information of the responsible MPSs into a to-be-processed linked list, the calls are transferred to other available MPSs one by one, and the terminal call still keeps a connection state. The multipoint control unit clustering system and method can solve the problems of delay of the media stream and drop of audio and video quality due to MCU cascading, and have the advantages of simple control logic, high reliability and failure recovery.

Description

technical field [0001] The invention belongs to the communication field, and relates to a capacity-expandable video conferencing system and method, in particular to a multi-point control unit cluster system and method. technical background [0002] Video conferencing systems based on H.323 or SIP international standards have been widely used. Due to the adoption of international standards, video conferencing equipment from different manufacturers can be interconnected, which is convenient for users to expand capacity and effectively protects users' investment in video conferencing equipment. The multipoint control unit (MCU) is the central control device of the video conferencing system. The MCU sends the signaling of each conference site to the multipoint controller (MC) to complete conference control and other processes. Send the media stream to the multipoint processor (MP) to complete the corresponding audio mixing or switching, video multi-screen synthesis or switch...

Claims

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Application Information

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IPC IPC(8): H04N7/15
Inventor 边学工唐雪华王中元
Owner 武汉随锐亿山科技有限公司
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