Method for collecting programs in basic Chord ring and regional Chord rings
A program and regional technology, applied in the field of network communication technology and streaming media, which can solve problems such as network detours and imperfect Chord algorithm
Inactive Publication Date: 2013-01-02
江苏远古信息技术有限公司
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[0005] However, in the implementation of P2P, Chord is a kind of multi-hop DHT (Distributed Hash Table, also known as Distributed Hash Table) algorithm (Multi-hop DHT). The Chord algorithm is not perfect, There is a network detour problem
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[0069] The specific implementation of the present invention is described in detail below, and this implementation is only used as an explanation of the present invention, rather than a limitation of the present invention.
[0070] The steps of the specific embodiment of the present invention are as follows:
[0071] 1. Construction of basic Chord ring and regional Chord ring
[0072] Deploy program collection server nodes first, and build basic Chord rings and regional Chord rings.
[0073] Ordinary user nodes join the Chord ring and the basic Chord ring of the corresponding area according to the area to which the location belongs.
[0074] The program collection server node maintains regional Chord ring information (panorama table, hot program table, new program table).
[0075] Such as figure 1 As shown, the node and program relationship between the basic Chord ring and the regional Chord ring.
[0076] 2. Initialization of the program collection server node table
[00...
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The invention provides a method for collecting programs in a basic Chord ring and regional Chord rings. In the method, a basic Chord ring and a plurality of regional Chord rings are arranged in a peer-to-peer (P2P) system; the regional Chord rings consist of nodes on the basic Chord ring with the same region; besides the basic nodes, nodes of each regional Chord ring also include a program collecting server node; the program collecting server node is a server, has basic functions of nodes, storage and maintenance of programs, a program information panoramic table and maintenance on the regional Chord ring, and program information search on the regional Chord ring; three segments of information, namely regional information, program type and program visit times, are added in the program information executing the Chord algorithm by each node. By adopting the method, the searching efficiency is improved, and the program is searched on the collecting server node, searched in the regional Chord ring, and searched on the basic Chord ring, so that the winding problem of the Chord ring is solved.
Description
technical field [0001] The invention belongs to the field of network communication technology and streaming media technology, and relates to a method for collecting programs based on Chord rings and regional Chord rings. Background technique [0002] On the computer Internet, with the continuous development of technology, different problems have appeared in various stages. The centralized server approach exposes a limited load and excessive reliance on servers. Peer-to-Peer (P2P) end-to-end, Peer is a participant in the network, that is, a peer node. It is both a provider of resources (services and content) and a acquirer of resources (services and content). It is a distributed system to solve centralized problems. [0003] The basic problem of P2P application is how to locate the nodes that store specific data. Chord is a distributed search protocol to solve this problem. Chord can provide support for only a single operation: provide a Key, which can be mapped to this no...
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IPC IPC(8): H04L29/08
Inventor 季鹏程王彬仇大明
Owner 江苏远古信息技术有限公司