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PlanetP: using gossiping to build content addressable peer-to-peer information sharing communities

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4 Author(s)
F. M. Cuenca-Acuna ; Dept. of Comput. Sci., Rutgers Univ., USA ; C. Peery ; R. P. Martin ; T. D. Nguyen

We introduce PlanetP, content addressable publish/subscribe service for unstructured peer-to-peer (P2P) communities. PlanetP supports content addressing by providing: (1) a gossiping layer used to globally replicate a membership directory and an extremely compact content index; and (2) a completely distributed content search and ranking algorithm that help users find the most relevant information. PlanetP is a simple, yet powerful system for sharing information. PlanetP is simple because each peer must only perform a periodic, randomized, point-to-point message exchange with other peers. PlanetP is powerful because it maintains a globally content-ranked view of the shared data. Using simulation and a prototype implementation, we show that PlanetP achieves ranking accuracy that is comparable to a centralized solution and scales easily to several thousand peers while remaining resilient to rapid membership changes.

Published in:

High Performance Distributed Computing, 2003. Proceedings. 12th IEEE International Symposium on

Date of Conference:

22-24 June 2003