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

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

Peer-to-peer (P2P) computing is attracting huge, immense media realization, spurred by means of the recognition of dossier sharing structures resembling Napster, Gnutella, and Morpheus. The friends are self sufficient, or as a few name them, firstclass voters. P2P networks are rising as a brand new allotted computing paradigm for his or her power to harness the computing strength of the hosts composing the community and make their under-utilized assets to be had to others. even supposing researchers engaged on disbursed computing, multiagent structures, databases and networks were utilizing comparable innovations for a very long time, it is just lately that papers prompted by way of the present P2P paradigm have begun showing in fine quality meetings and workshops. examine in agent structures particularly seems to be so much suitable simply because, due to the fact their inception, multiagent structures have continually been considered networks of work-mates. The multiagent paradigm can hence be superimposed at the P2P structure, the place brokers embrace the outline of the duty environments, the decision-support functions, 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 offers P2P its benefits additionally results in major capability difficulties. such a lot well-liked between those difficulties are coordination, the facility of an agent to make judgements by itself activities within the context of actions of alternative brokers, and scalability, the price of the P2P structures lies in how good they scale alongside numerous dimensions, together with complexity, heterogeneity of co-workers, robustness, site visitors redistribution, and so on.

This quantity provides the totally revised papers awarded on the 3rd foreign Workshop on brokers and Peer-to-Peer Computing, AP2PC 2004, held in big apple urban on July 19, 2004 within the context of the 3rd foreign Joint convention on self sufficient brokers and Multi-Agent structures (AAMAS 2004). the quantity is prepared in topical sections on P2P networks and seek functionality, emergent groups and social behaviours, semantic integration, cellular P2P platforms, adaptive structures, agent-based source discovery, in addition to belief and reputation.

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Additional info 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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IEEE ICDCS’02, pp. 1522, 2002. 5. Banaei-Kashani, Farnoush and Cyrus Shahabi. ” Proc. IEEE/ACM CCGRID’03, pp. 351-358, 2003. 6. Batagelj, Vladimir and Andrej Mrvar. Pajek: Package for Large Network Analysis. si/pub/networks/pajek/ 7. G. C. Freeman. Ucinet for Windows: Software for Social Network Analysis. Harvard: Analytic Technologies, 2002. 8. , K. Sycara, and M. Williamson. Middle-Agents for the Internet. Proc. IJCAI97, pp. 578-583, 1997. 9. Dimakopoulos, Vassilios V. and Evaggelia Pitoura. A Peer-to-Peer Approach to Resource Discovery in Multi-Agent Systems.

Then, a lookup request is multicast to these nodes and the first valid response is used. NATed nodes attach to Gateway nodes by using a bootstrap process that is as follows. First, a NATed node contacts a seed node that it obtained via some out-of-band process. Then, the NAT node executes the nearby-node algorithm from [8] in order to find the closest Gateway node. In our experience, the nearby-node algorithm tended to be biased toward returning the seed node and an improved algorithm based on Vivaldi [9] network coordinates is currently underway.

C Springer-Verlag Berlin Heidelberg 2005 Distributed Hash Queues: Architecture and Design 29 a challenged network where a growing population of private machines can only communicate (unidirectionally) with public machines. In this paper we present a solution to this problem - the distributed hash queue (DHQ). The DHQ provides durable network storage that can be used to facilitate communication between disconnected peers. A sending host places network packets into the DHQ and a receiving host subsequently pulls packets from the DHQ.

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