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International Conference on Evolution in Engineering & Management (ICEEM-2015), 30-31, January 2015

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Optimizing and Efficient Data Access in Disruption Tolerant Network

M.A. Yaazhini and M. Vasanthi


Abstract:

Most of current research efforts in DTNs focus on data forwarding, but only limited work has been done on providing efficient data access to mobile users. To propose a novel approach to support cooperative caching in DTNs, which enables the sharing and coordination of cached data among multiple nodes and reduces data access delay. Basic idea is to intentionally cache data at a set of network central locations (NCLs), which can be easily accessed by other nodes in the network. In an efficient scheme that ensures appropriate NCL selection based on a probabilistic selection metric and coordinates multiple caching nodes to optimize the tradeoff between data accessibility and caching overhead. Extensive trace-driven simulations shows that approach significantly improves data access performance compared to existing schemes. An efficient scheme that ensures appropriate NCL selection based on a probabilistic selection metric and coordinates multiple caching nodes to optimize the tradeoff between data accessibility and caching overhead. Extensive trace-driven simulations shows that approach significantly improves data access performance compared to existing schemes.

Keywords: ---

Conference Name: Third National Conference on Networking and Communication Systems

Conference Date: 13, February 2015

Pages: 06-08

Paper ID: ncs02

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