Distributed multi-transmission channel network live video parallel distribution method and system

A network live broadcast and distribution system technology, applied in the field of distributed multi-transmission channel network live video parallel distribution, can solve the problems of insufficient bandwidth and instability of upstream nodes, achieve the goals of resisting sudden bandwidth fluctuations, good scheduling, and enhancing user experience Effect

Active Publication Date: 2016-03-09
ALIBABA (CHINA) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0011] In order to solve the above-mentioned technical problems, the present invention proposes a distributed multi-transmission channel network live video parallel distribution method, which splits, transmits and reorganizes

Method used

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  • Distributed multi-transmission channel network live video parallel distribution method and system
  • Distributed multi-transmission channel network live video parallel distribution method and system
  • Distributed multi-transmission channel network live video parallel distribution method and system

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Embodiment 1

[0043] See figure 1 , the embodiment of the present invention provides a distributed multi-transmission channel network live video parallel distribution method, including:

[0044] S1. Divide the live video stream into multiple sub-slices; wherein, the sub-slices include common sub-slices and key frame sub-slices;

[0045] S2. Push the live video stream to the edge node of the CDN network in units of the sub-slices, and schedule different physical devices RD in the virtual machine to transmit different slice groups;

[0046] Wherein, several physical devices RD are set in the virtual machine, and the physical devices RD are used to gather uplink and downlink surplus bandwidth; the slice grouping is obtained by grouping the sub-slices; each slice grouping forms a substream;

[0047] Select RD packets according to the number of pre-configured subflows inside the same virtual machine, and the physical device RD selects and distributes subflows corresponding to the RD packets; ...

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Abstract

The invention discloses a distributed multi-transmission channel network live video parallel distribution method and a system. Through accurately splitting a live stream, the real-time live stream becomes a plurality of sub streams; respective transmission is then carried out through a CDN and virtual transmission channels; and recombination is finally carried out at a player end. Through carrying out splitting of finer granularity on the original live stream, the bandwidth needed by each sub stream becomes a fraction of the original value, and thus better scheduling and management can be realized in the virtual distribution network described in the invention. The method of the invention can solve the conflict between the rising video quality requirements by a user and the insufficient or instable bandwidth of an uplink node in the existing network bandwidth virtualization solution scheme. Through reducing the granularity for RD equipment bandwidth distribution, a physical equipment RD can be better dispatched, burst bandwidth fluctuation can be resisted, video playing at a client is smoother, and user experience is enhanced.

Description

technical field [0001] The invention relates to computer network video distribution technology, in particular to a distributed multi-transmission channel network live video parallel distribution method and system. Background technique [0002] As the number of Internet users continues to increase, the user's requirements for audio and video live broadcast quality / sound quality continue to increase, the code stream of live content continues to increase, and the number of online users continues to increase. The requirements for bandwidth and concurrent online users are gradually restricting this business. the bottleneck. Calculated with a bit rate of 1Mbps, 1G bandwidth can only support 1000 concurrent users, but to ensure 1 million users are online at the same time, 1000G bandwidth is required, which is very expensive for a single live program. On the other hand, 1 million concurrent streaming access is also an impossible task for the performance of ordinary servers. Theref...

Claims

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Application Information

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IPC IPC(8): H04N21/845H04N21/2385H04N21/239
CPCH04N21/2385H04N21/2393H04N21/8456
Inventor 李铮杨敬宇姚键潘柏宇王冀
Owner ALIBABA (CHINA) CO LTD
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