An optimised geographically-aware overlay network

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Conference Proceeding
2005 3rd IEEE International Conference on Industrial Informatics, INDIN, 2005, 2005 pp. 372 - 377
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The mismatch between current Peer-to-Peer (P2P) overlay structures and the underlying network topology causes high end-to-end latency and inefficient network resource usage. This paper presents a self-organising overlay network that closely reflects the underlying network topology by using the basic idea of a node locating scheme called Geographical Longest Prefix Matching (Geo-LPM) [1]. Geo-LPM combines IP prefixes and a network metric measurement to cluster nodes efficiently. We optimise Geo-LPM to adapt to different geographical locations so that nodes in the same clusters often belong to the same physical network. We propose to implement Geo-LPM in a distributed fashion. As a result, the overlays utilise the underlying network resources more efficiently and reduce the delay from end-to-end. The system is self-organising, distributed, and decentralised with low overhead. © 2005 IEEE.
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