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In this paper, we propose to extend the topology of Chord to a bidirectional graph to provide a super-peer based lookup algorithm and a scalable broadcast search support. We consider routing algorithms for a bidirectional variant of Chord network and show how the resulting structure extends the search region and provides an efficient resource lookup service at a very little additional cost.
Peer-to-Peer overlays have become a popular paradigm for building distributed systems, aiming to provide resource localization and sharing in large-scale networks. To design an overlay network, the first step is to choose an overlay topology connecting all the overlay nodes. Many proposed distributed hash table schemes for peer-to-peer network are based on some traditional calculated interconnection...
The development of peer to peer overlay networks applications has attracted an immense interest from the research community in recent years. Several challenging issues have to be resolved in order to provide accessible, efficient and scalable inter-peer communication. Achieving resilience so as to reduce the disconnection probability, is among the most demanding issues to provide a robust and omnipresent...
In peer to peer networks, the overlay topology connecting peers is an important component in addition to peer and data organization and search. In fact, topological characteristics have an important impact on the efficiency of search on such networks. In this paper, we address this issue for Chord based P2P systems. Based on the Barabasi Albert (BA) model, we propose to extend the topology of Chord...
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