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Scalability Issues in Large Peer-to-Peer Networks A Case Study of Gnutella

Scalability Issues in Large Peer-to-Peer Networks A Case Study of Gnutella. Ramaswamy N.Vadivelu Scalab, ASU. Introduction. Jovanovic, Annexstein, Berman Need for distributed algorithm that would allow p2p applns to scale to a large community of users ~ Network Topology?

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Scalability Issues in Large Peer-to-Peer Networks A Case Study of Gnutella

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  1. Scalability Issues in Large Peer-to-Peer Networks A Case Study of Gnutella Ramaswamy N.Vadivelu Scalab, ASU Scalab Seminar Series

  2. Introduction • Jovanovic, Annexstein, Berman • Need for distributed algorithm that would allow • p2p applns to scale to a large community of users • ~ Network Topology? • Paper evaluates Gnutella topology. • A distributed computing application that allows • topology discovery to be performed in constant • time . Scalab Seminar Series

  3. Gnutella Scalab Seminar Series

  4. Discovery requirements for applications. Scalab Seminar Series

  5. Discovery Mechanisms: • Flooding • Chord • Pastry • CAN Scalab Seminar Series

  6. Scalab Seminar Series

  7. Experimental Evaluation • A general purpose P2P framework. • Nodes join dynamically • Defining a ‘query • Success termed as discovering 1000 queries • Flooding: • Chord: • Pastry: • CAN: Scalab Seminar Series

  8. Results Scalab Seminar Series

  9. Each point: Av. number of hops for a lookup. Error bars: Standard Deviation Result: Hash based routing outperforms flooding Extensions: Evaluating fault tolerance,accuracy and availbaility. Scalab Seminar Series

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