Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/18754
Title: K-directory community : reliable service discovery in MANET
Authors: Raychoudhury, V
Cao, J 
Wu, W
Lai, Y
Chen, C
Ma, J
Issue Date: 2010
Publisher: Springer
Source: Lecture notes in computer science (including subseries Lecture notes in artificial intelligence and lecture notes in bioinformatics), 2010, v. 5935 LNCS, p. 420-433 How to cite?
Journal: Lecture notes in computer science (including subseries Lecture notes in artificial intelligence and lecture notes in bioinformatics) 
Abstract: Service discovery in MANET suffers from frequent service unavailability due to failures of service providers or directory nodes. Ensuring network-wide service availability by replication requires minimizing costs associated with storage, update and discovery. Existing works in MANET have not addressed these challenging issues adequately. In this paper, we propose a distributed directory-based service discovery protocol (SDP) for MANET. Our protocol works by electing top K nodes with rich resources as directories, which are then divided into multiple quorums. Services registered with a directory are replicated among its quorum members. This approach reduces replication and update costs, and guarantees network-wide service availability using the quorum intersection property. An incremental election policy is adopted to cope with directory failures. We have carried out extensive simulations and also developed a prototype system. Our performance evaluation results show that, compared with similar work, our protocol significantly reduces message cost and improves system robustness.
Description: 11th International Conference on Distributed Computing and Networking, ICDCN 2010, Kolkata, 3-6 January 2010
URI: http://hdl.handle.net/10397/18754
ISBN: 3642113214
9783642113215
ISSN: 0302-9743
EISSN: 1611-3349
DOI: 10.1007/978-3-642-11322-2_40
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