Decentralized Meta-Data Strategies: Effective Peer-to-Peer Search

Sam JOSEPH  Takashige HOSHIAI  

Publication
IEICE TRANSACTIONS on Communications   Vol.E86-B   No.6   pp.1740-1753
Publication Date: 2003/06/01
Online ISSN: 
DOI: 
Print ISSN: 0916-8516
Type of Manuscript: INVITED PAPER (Special Issue on Content Delivery Networks)
Category: 
Keyword: 
P2P,  meta-data,  discovery,  decentralized,  

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Summary: 
Gnutella's service announcement in March 2000 stirred worldwide interest by referring to P2P model. Basically, the P2P model needs not the broker "the centralized management server" that until now has figured so importantly in prevailing business models, and offers a new approach that enables peers such as end terminals to discover out and locate other suitable peers on their own without going through an intermediary server. It seems clear that the wealth of content made available by peer-to-peer systems like Gnutella and Freenet have spurred many authors into considering how meta-data might be used to support more effective search in a distributed environment. This paper has reviewed a number of these systems and attempted to identify some common themes. At this time the major division between the different approaches is the use of a hash-based routing scheme.