Super-Peer Selection in Peer-to-Peer Networks Using Network Coordinates
Merz, P.
Priebe, M.
Wolf, S.
Distrib. Algorithms Group, Kaiserslautern Univ., Kaiserslautern;
Abstract
Scalability constitutes a key property in Peer-to-Peer environments. One way to foster this property is the introduction of super-peers, a concept which has gained widespread acceptance in recent years. We solve the problem of selecting super- peers in a distributed, scalable, self-organized way, supported by network coordinates. To this end, we present an exact optimization model and introduce a distributed algorithm that addresses the problem in a decentralized fashion. By means of simulation using actual Internet distance measurements, we demonstrate the savings in communication cost attainable by our super-peer topology construction and maintenance scheme.
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