Small-World Peer-to-Peer for Resource Discovery

  • Lu Liu
  • Nick Antonopoulos
  • Stephen Mackin
Part of the Lecture Notes in Computer Science book series (LNCS, volume 5200)

Abstract

Small-world phenomenon is potentially useful to improve the performance of resource discovery in decentralized peer-to-peer (P2P) networks. The theory of small-world networks can be adopted in the design of P2P networks: each peer node is connected to some neighbouring nodes, and a group of peer nodes keep a small number of long links to randomly chosen distant peer nodes. However, current unstructured search algorithms have difficulty distinguishing among these random long-range shortcuts and efficiently finding a set of proper long-range links located in itself or its local group for a specific resource search. This paper presents a semi-structured P2P model to efficiently create and find long-range shortcuts toward remote peer groups.

Keywords

Peer-to-peer Small World Information Search 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2008

Authors and Affiliations

  • Lu Liu
    • 1
  • Nick Antonopoulos
    • 2
  • Stephen Mackin
    • 3
  1. 1.Surrey Space CentreUniversity of SurreySurreyU.K.
  2. 2.Computing DepartmentUniversity of SurreySurreyU.K.
  3. 3.Surrey Satellite Technology LimitedSurrey Research ParkSurreyU.K.

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