Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/34705
Title: Consistency of cooperative caching in mobile peer-to-peer systems over MANET
Authors: Cao, J 
Zhang, Y
Xie, L
Cao, G
Keywords: Cooperative caching
Mobile computing
Peer-to-peer
MANET
68P20
68M14
Issue Date: 2006
Publisher: Taylor & Francis
Source: International journal of parallel, emergent and distributed systems, 2006, v. 21, no. 3, p. 151-168 How to cite?
Journal: International journal of parallel, emergent and distributed systems
Abstract: Cooperative caching can be used to improve the availability and scalability in data sharing and dissemination as well as to reduce the network traffic and query delay. Caching consistency is an important issue in cooperative caching but it has not been adequately addressed for mobile ad hoc networks (MANETs). In this paper, we proposed a novel approach, called relay peer-based cache consistency (RPCC), to addressing the caching consistency issues in a MANET. With the introduction of relay peers between the source host and the cache nodes, both push-based and pull-based strategies can be employed, which helps to reduce the communication overhead and query latency. The source host pushes the data to the relay peers and the cache nodes pull the data from the relay peers. These operations can be performed asynchronously and simultaneously. Moreover, the proposed RPCC approach is flexible in that it can deal with three kinds of consistency requirements (strong, Δ and weak consistency) adaptively. Simulation results demonstrated that RPCC outperforms the traditional push and pull based strategies by taking their advantages while at the same time avoiding their weakness.
URI: http://hdl.handle.net/10397/34705
ISSN: 1744-5760
DOI: 10.1080/17445760500356593
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