Cactus: a new constant-degree and fault tolerate p2p overlay

  • Authors:
  • ShuiChao;Huaiming Wang; ZhouPen; JiaYan

  • Affiliations:
  • School of Computer, National University of Defense Technology, Changsha, China;School of Computer, National University of Defense Technology, Changsha, China;School of Computer, National University of Defense Technology, Changsha, China;School of Computer, National University of Defense Technology, Changsha, China

  • Venue:
  • PRIMA'06 Proceedings of the 9th Pacific Rim international conference on Agent Computing and Multi-Agent Systems
  • Year:
  • 2006

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Abstract

A fundament tradeoff issue observed by Ratnasamy is a hotspot in designing distribute hash table(DHT) in P2P network. Three constant-degree systems had proposed recently, but the common weakness of them is handle node leaving without inform its neighbors in advance, and optimize the degree and load balance is another question. In this paper, a constant-degree system has proposed named Cactus which based on the 2-tree and CCC hypercube. Its number of neighbor is 6, and the time complexity of key lookup is O(d) when number of nodes is no more than d*2d, d is the degree of CCC. In this paper, we will introduce the topology, routing algorithm, node join and leave for Cactus. The experimentations show that Cactus is better in optimizing the degree and load balance, faults tolerate and no worse in other performance compare to other constant-degree system.