Arturo Crespo, Hector Garcia-Molina (auth.), Gianluca Moro,'s Agents and Peer-to-Peer Computing: Third International PDF

By Arturo Crespo, Hector Garcia-Molina (auth.), Gianluca Moro, Sonia Bergamaschi, Karl Aberer (eds.)

ISBN-10: 3540297553

ISBN-13: 9783540297550

Peer-to-peer (P2P) computing is attracting huge, immense media recognition, spurred by way of the recognition of dossier sharing structures comparable to Napster, Gnutella, and Morpheus. The friends are independent, or as a few name them, top quality voters. P2P networks are rising as a brand new dispensed computing paradigm for his or her capability to harness the computing energy of the hosts composing the community and make their under-utilized assets on hand to others. even though researchers engaged on allotted computing, multiagent structures, databases and networks were utilizing comparable recommendations for a very long time, it is just lately that papers influenced by way of the present P2P paradigm have begun showing in high quality meetings and workshops. learn in agent structures specifically seems to be so much correct simply because, because their inception, multiagent platforms have continuously been regarded as networks of fellow workers. The multiagent paradigm can therefore be superimposed at the P2P structure, the place brokers include the outline of the duty environments, the decision-support features, the collective habit, and the interplay protocols of every peer. The emphasis during this context on decentralization, consumer autonomy, ease and velocity of development that provides P2P its benefits additionally results in major strength difficulties. so much trendy between those difficulties are coordination, the facility of an agent to make judgements by itself activities within the context of actions of different brokers, and scalability, the price of the P2P platforms lies in how good they scale alongside numerous dimensions, together with complexity, heterogeneity of affiliates, robustness, site visitors redistribution, and so on.

This quantity offers the absolutely revised papers awarded on the 3rd overseas Workshop on brokers and Peer-to-Peer Computing, AP2PC 2004, held in manhattan urban on July 19, 2004 within the context of the 3rd overseas Joint convention on independent brokers and Multi-Agent platforms (AAMAS 2004). the quantity is geared up in topical sections on P2P networks and seek functionality, emergent groups and social behaviours, semantic integration, cellular P2P structures, adaptive structures, agent-based source discovery, in addition to belief and reputation.

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Additional resources for Agents and Peer-to-Peer Computing: Third International Workshop, AP2PC 2004, New York, NY, USA, July 19, 2004, Revised and Invited Papers

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In the indirect Distributed Hash Queues: Architecture and Design 35 +7735HTXHVW +7735HSO\ %URZVHU :HE6HUYHU Fig. 4. This figure shows the direct communication between web browser and web server during conventional web browsing '+4       %URZVHU +773'+4 7UDQVODWRU '+4+773 7UDQVODWRU   :HE6HUYHU Fig. 5. This figure shows the indirect communication between web browser and web server of DynamicWeb case, we can see from Figure 5 that there are four times as many messages as the direct case.

DiST requires little information for join and leave operations and also for data lookup requests. In an N-sized network if the size of the group is M then DiST is seen to resolve lookups in O(logN ) and join requests require O(logN ) for communication. Each peer stores information aboutM other peers in the network. 2 Design Details In this section we describe the join and leave operations which consequently build and shrink the tree respectively. We also describe our hashing, group management and key distribution mechanisms in more detail.

The recent algorithms developed by several research groups for the lookup problem, like a central database or the DNS approach have inherent reliability, resilience and load balancing problems. One of the challenges in a peer-to-peer network is to find the data item in a large P2P network, in a scalable manner. In this paper we present an abstract architecture, DiST with a scalable and flexible protocol for lookup in a dynamic peer-to-peer system. DiST is a distributed lookup protocol based on a straightforward extension of the search tree concept.

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Agents and Peer-to-Peer Computing: Third International Workshop, AP2PC 2004, New York, NY, USA, July 19, 2004, Revised and Invited Papers by Arturo Crespo, Hector Garcia-Molina (auth.), Gianluca Moro, Sonia Bergamaschi, Karl Aberer (eds.)

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