REDUCING BANDWIDTH UTILIZATION IN PEER-TO-PEER NETWORKS

In this document we study the problem of reducing bandwidth utilization in file sharing peer-to-peer (P2P) networks. First we describe the various aspects of peer-to-peer computing that make it attractive over client-server computing. Then, we examine the environmental characteristics of a P2P system in deployment. We explore some orthogonal factors that need to be considered when constructing a bandwidth-efficient P2P framework. These include the distribution of control in the system, routing, and caching and replication mechanisms. We follow this with a description of a number of P2P architectures, including indexing-based schemes, flooding-based schemes, hashing-based schemes, and a publish/subscribe-based scheme, and their advantages and disadvantages are qualitatively examined. Fi-nally, we put forth a number of proposals on the topics of multidimensional P2P routing, wireless P2P networks, web services and P2P, and what Internet Service Providers (ISP) can do to reduce bandwidth consumption by poor-quality P2P file sharing systems