Link selection method of P2P video living broadcast system data scheduling

A system data and video live broadcast technology, applied in the transmission system, store-and-forward switching system, electrical components, etc., can solve the problems of node link cost and transmission capacity, network transmission capacity limitation, etc.

Active Publication Date: 2008-09-24
ALIBABA (CHINA) CO LTD
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Problems solved by technology

[0008] In order to overcome the limitation of network transmission capacity caused by not considering the node link cost and transmission capacity in the da

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  • Link selection method of P2P video living broadcast system data scheduling
  • Link selection method of P2P video living broadcast system data scheduling
  • Link selection method of P2P video living broadcast system data scheduling

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Embodiment Construction

[0035] A link selection method in the data scheduling of the P2P live video system provided by the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0036] The application of existing P2P technology solves the problem that the server bandwidth and processing capacity become the bottleneck of the system with the increase of nodes in the traditional C / S mode, but the application of P2P occupies a large amount of valuable backbone network traffic, and the existing methods only consider The impact of P2P topology on cross-domain traffic does not consider the effect of data scheduling methods on cross-domain traffic. Optimizing the topology structure of P2P can reduce the backbone network traffic occupied by P2P applications. On this basis, applying the optimized data scheduling method can further reduce the backbone network traffic occupied by P2P applications.

[0037] In a P2P video live broadcast system, ...

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Abstract

The invention discloses a link selection method for data scheduling of a P2P video living transmission system, which comprises the steps that: the data request nodes registers to a login server, and the login server distributes neighbor nodes to the request nodes; the request nodes establish connections with the distributed neighbor nodes, and the neighbor nodes are graded into different levels according to the link-cost; the request nodes acquire the request data from the neighbor nodes according to the different levels of the neighbor nodes and based on the information of data content and data transmitting performance. In the same data scheduling order, the method can make better use of network resources, thereby remarkably reducing the flux of going through NAT and the flux of stepping over autonomous system and backbone network of internet service providers.

Description

technical field [0001] The present invention relates to the technical field of network streaming media, and more specifically, the present invention relates to a link selection method in data scheduling of a P2P video live broadcast system. Background technique [0002] In recent years, P2P-based live video technology has received more and more attention, and various P2P live video software has also entered people's lives. [0003] P2P technology uses point-to-point data transmission, which is different from the traditional client / server (C / S) mode. In the P2P system, nodes not only download data from neighbor nodes, but also serve neighbor nodes and upload data. to neighbor nodes. [0004] figure 1 It is a structural diagram of an existing P2P video live broadcast system, such as figure 1 As shown, in the P2P video live broadcast system, there are mainly two roles, the login server (Tracker) and the node. The role of Tracker is to assign neighbor nodes to newly joined n...

Claims

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Application Information

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IPC IPC(8): H04L29/08H04L12/54H04L45/80H04L47/6275
Inventor 周志勇张国清李彦君傅川
Owner ALIBABA (CHINA) CO LTD
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