A Chord based Service Discovery Approach for Peer- to- Peer Networks
Journal Title: International Journal of Modern Engineering Research (IJMER) - Year 2014, Vol 4, Issue 9
Abstract
The limitations of client- server systems become evident in the large scale distributed environments. Peer to peer (P2P networks can be used for improving communication process, optimizing resources discovery/localization, facilitating distributed information exchange. P2P applications need to discover and locate efficiently the node that provides the requested and targeted service. This paper proposes an approach called Chord4S, a Chord-based decentralized service discovery approach that supports service description distribution and discovery in a P2P manner. The main aim of designing Chord4S approach is to largely improve the availability of service descriptions in volatile environments by distributing descriptions of functionally equivalent services to different successor nodes. Two main features of Chord4S approach are to support service discovery with wildcard(s) and QoS awareness. Furthermore, Chord4S approach extends Chord’s original routing protocol to support the discovery of multiple functionally equivalent services at different successor nodes with one query, which is necessary for negotiation of a Service Level Agreement and selection of optimal service providers.
Authors and Affiliations
Yaminipurnatilak Jakka , A. Sudarsan Reddy
Keywords
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