Topological structue with multiple levels for P2P VoD systems

doi:10.3778/j.issn.1002-8331.2009.23.031

Computer Engineering and Applications ›› 2009, Vol. 45 ›› Issue (23): 111-114.DOI: 10.3778/j.issn.1002-8331.2009.23.031

• 网络、通信、安全 • Previous Articles Next Articles

Topological structue with multiple levels for P2P VoD systems

QI Wei-ning^1，2，WANG Jin-lin²

1.Graduate School of the Chinese Academy of Sciences，Beijing 100049，China
2.Institute of Acoustics，Chinese Academy of Sciences，Beijing 100190，China

Received:2008-04-28 Revised:2008-09-25 Online:2009-08-11 Published:2009-08-11
Contact: QI Wei-ning

一种多层次的P2P VoD系统结构

齐卫宁^1，2，王劲林²

1.中国科学院研究生院，北京 100049
2.中国科学院声学所，北京 100190

通讯作者: 齐卫宁

Abstract

Abstract: To resolve the asymmetry request problems of VoD programs and to adapt structures to the dynamic characteristics of P2P networks，a new network framework with multiple levels is designed，which includes a chain-mesh structure，a block-clustered structure based on serving-channel，and a DHT-based lookup-storage structure.It ensures that the system can provide QoS guarantees for programs with different order probability.Simulation results show that this kind of structure is effective，and the quanlity of service is guaranteed.

Key words: P2P networks, Video-on-Demand（VoD） systems, topological structure

摘要： 针对VoD系统节目点播的不均匀特性以及P2P系统的动态变化特性，设计了一种多层次的网络拓扑组织结构，包括：链网状结构、基于服务频道的块状分群结构、以及DHT查询存储结构，以保证不同点播频率的节目都能获得较好的QoS保证。仿真结果表明，这种多层次的系统结构可以有效地保证用户的QoS需求。

关键词: 对等网络, 视频点播系统, 拓扑结构

CLC Number:

TP393

QI Wei-ning^1，2，WANG Jin-lin². Topological structue with multiple levels for P2P VoD systems[J]. Computer Engineering and Applications, 2009, 45(23): 111-114.

齐卫宁^1，2，王劲林². 一种多层次的P2P VoD系统结构
[J]. 计算机工程与应用, 2009, 45(23): 111-114.

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Topological structue with multiple levels for P2P VoD systems

一种多层次的P2P VoD系统结构

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