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An object replacement strategy for global performance in distributed Web caching

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2 Author(s)
Wijesundara, M.N. ; Dept. of Electr. & Comput. Eng., Singapore Univ., Singapore ; Tay, T.T.

The novel feature in the distributed Web caching system we developed is that every client node could act as a cache server and share its cache with neighboring nodes. In this paper we address the problem of object replacement in distributed Web caches. The problem is a version of the knapsack problem which is known to be NP-hard. We propose a heuristic based approach to the problem termed distributed Web caching for global performance (DWCG). Using event driven simulations, we show that in a distributed Web caching environment, the proposed strategy can outperform conventional uncooperative caching strategies such as LFU, LRU and GDSF in terms of LSR, HR and BHR.

Published in:

Communication Technology Proceedings, 2003. ICCT 2003. International Conference on  (Volume:2 )

Date of Conference:

9-11 April 2003

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