关键词: 混合对等内容分发网, gossip机制, 聚类, Internet服务提供商友好, 网络地标

Abstract:

The current gossipbased protocols follow a pure random selection process, easily resulting in long convergence time and large volume of nonInternet service provider (ISP)friendly traffic. A communityaware gossip protocol is proposed. By clustering peers into communities, peers can know their positions in the network in terms of vicinities to the communities. The presented scheme can increase the efficiency in neighbor selection and reduce the nonISPfriendly traffic across ISPs. Analysis and simulation show that the proposed gossip protocol can improve the utility of physical network usage, and stimulate the overall performance as well as appeal to more participating peertopeer (P2P) users.

Key words: hybrid peer to peer content delivery network, gossipbased protocol, clustering, Internet service providerfriendly, network landmark