P2P Systems - 8 ©2006, Karl Aberer, Manfred Hauswirth - EPFL-IC, Laboratoire de systèmes d informations répartis Principle of self-organization can be applied at different system layers Original Internet designed as decentralized system: –P2P overlay networks ~ application-level Internet on top of the Internet –support application-specific addresses P2P Architectures Networking LayerInternetRoutingTCP/IP, DNS Data Access LayerOverlay NetworksResource LocationGnutella, FreeNet Service LayerP2P applicationsMessaging, Distributed Processing Napster, Seti, Groove User LayerUser CommunitiesCollaborationeBay, Ciao
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