Maintaining the Ranch topology

  • Authors:
  • Xiaozhou Li;Jayadev Misra;C. Greg Plaxton

  • Affiliations:
  • HP Labs, 1501 Page Mill Road, Palo Alto, CA 94304-1126, United States;Department of Computer Science, University of Texas at Austin, 1 University Station C0500, Austin, TX 78712-0233, United States;Department of Computer Science, University of Texas at Austin, 1 University Station C0500, Austin, TX 78712-0233, United States

  • Venue:
  • Journal of Parallel and Distributed Computing
  • Year:
  • 2010

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Abstract

Topology maintenance, or how to handle the possibly concurrent joining and leaving of nodes, is a central problem for structured peer-to-peer networks. A good topology maintenance protocol should run efficiently, fully maintain the topology, and should not unduly restrict concurrency. In this paper, we present such a protocol for a multi-ring topology called Ranch. The protocol is efficient: for each join or leave, it uses a logarithmic number of messages with high probability. The protocol fully maintains Ranch after joins and leaves, and allows for a high degree of concurrency. To our knowledge, this is the first maintenance protocol that enjoys all of these properties for a structured peer-to-peer network topology.