Efficient Routing in Multi-ring Content Addressable Network

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概要

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• RCAN [1] is a novel multi-ring content addressable peer-to-peer system. RCAN was proposed in the aim of improving the routing performance of CAN [4] overlays while minimizing the maintenance overhead during nodes churn in large networks. The key idea of RCAN is to equip each node with few long-links towards some distant nodes. Long-links are clockwise directed and wrap around to form small rings along each dimension. The number of rings and their sizes self-adjust as nodes join and leave the systems. RCAN is a pure P2P design, where all nodes assume the same responsibility. Unlike some existing P2P overlays, RCAN is self-organizing and does not assume any a-priori fixed limits for the network size or the routing state per node. Each node auto-adapts its routing state to cope with network changes.We present in this paper an extensive study of the routing performance of RCAN under uniform and non-uniform data distributions. Experimental results show that in an overlay of n nodes, a node maintains a routing state of O(log n) long-links in average, and is able to reach any other nodes within O(log n) routing hops even in the presence of non-uniform space partitioning. Using simulation we demonstrate the full scalability and efficiency of our design and its advantages over other existing methods.

• Information and Media Technologies 編集運営会議の論文

著者

• KITAGAWA Hiroyuki

  Faculty at Graduate School of Systems and Information Engineering and Center for Computational Sciences, University of Tsukuba

• BOUKHELEF Djelloul

  Graduate School of Systems and Information Engineering, University of Tsukuba

関連論文

• Efficient Routing in Multi-ring Content Addressable Network

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