Distributed system for searching P2P medium source

Abstract

The invention discloses a distributed P2P media source retrieval system which comprises: a region relegation server for managing the distribution of part of the media in each region; an overall relegation server for managing the statistics of the number of copies of part of the media in each region; and a user node for reporting the media copies and the service ability of the media to the region relegation server in the preset mode. The distributed P2P media source retrieval system can greatly reduce cross-region flow and improve media service quality.

Description

technical field [0001] The invention belongs to the technical field of peer-to-peer network (Peer To Peer Network, hereinafter referred to as P2P) and the field of broadband streaming media, and particularly relates to a P2P media source retrieval system. Background technique [0002] At present, P2P technology has been widely used in the field of live video and video on demand, and one of the key technologies is the retrieval technology of media sources. The existing retrieval technologies mainly include the following types: [0003] 1. Centralized: a centralized server manages the media stored on all nodes, and when a user requests media, the server provides a unified retrieval service; this is the simplest and most effective retrieval method, but the problem is that the expansion bad sex; [0004] 2. Unstructured flooding: Based on the assumption of random network topology, media retrieval is performed by flooding messages between nodes. This method removes the central ...

AI Technical Summary

Problems solved by technology

[0003] 1. Centralized: a centralized server manages the media stored on all nodes, and when a user requests media, the server provides a unified retrieval service; this is the simplest and most effective retrieval method, but the problem is that the expansion bad sex;

[0004] 2. Unstructured flooding: Based on the assumption of random network topology, media retrieval is performed by flooding messages between nodes. This method removes the central server, but due to the large number of messages, the scalability and retrieval efficiency are not good. high; and

[0008] (c) Since the information is stored on the client side, there is no guarantee that all media in the network can be retrieved; and

[0009] (d) Since one medium corresponds to one node, the storage overhead and processing overhead of a node corresponding to a large number of copies of popular media is extremely huge. If the performance of this node is not good, it will inevitably lead to low retrieval efficiency of the medium

[0010]At present, operators urgently need to establish an operational P2P media network, and the above retrieval technologies obviously cannot meet the needs of the operator level

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