PlanetP: Infrastructure Support for P2P Information Sharing (2001)
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BibTeX
@TECHREPORT{Cuenca-Acuna01planetp:infrastructure,
author = {Francisco Matias Cuenca-Acuna and Christopher Peery and Richard P. Martin and Thu D. Nguyen},
title = {PlanetP: Infrastructure Support for P2P Information Sharing},
institution = {},
year = {2001}
}
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Abstract
Storage technology trends' are providing massive storage in extremely small packages while declining computing costs' are resulting in a rising number of devices' per person. The confluence of these trends' are presenting a new, critical challenge to storage and file system designers': how to enable users' to effectively manage, use, and share huge amounts' of data stored across a multitude of devices. In this paper, we present a novel middleware storage system, PlanetP, which is designed from first principles as' a peerto -peer (P2P), semantically indexed storage layer. PlanetP makes two novel design choices to meet the above challenge. First, PlanetP concentrates on content-based querying for information retrieval and assumes that the unit of storage is a shipper of XML, allowing it to index arbitrary data for search and retrieval regardless of the applications' used to create and manipulate the data. Second, PlanetP adopts' a P2P approach, avoiding centralization of storage and indexing. This' makes PlanetP particularly suitable for information sharing among ad hoc groups of users, each of which may have to manage data distributed across multiple devices'. PlanetP is' targeted for groups of up to 1000 users'; results' from studying communities of lO0-200 peers' running on a cluster of PCs indicates that PlanetP should scale well to the 1000-member threshold. Finally, we describe BreezeFS, a semantic file system that we have implemented to validate PlanetP's utility.
Keyphrases
p2p information sharing infrastructure support massive storage critical challenge index arbitrary data information retrieval lo0-200 peer ad hoc group 1000-member threshold novel middleware storage system first principle share huge amount storage technology trend small package information sharing p2p approach semantic file system retrieval regardless file system designer multiple device novel design choice indexed storage layer peerto peer
