A Cooperative Proxy Caching for Continuous Media Services in Mobile Environments 


Vol. 11,  No. 6, pp. 691-700, Oct.  2004
10.3745/KIPSTB.2004.11.6.691


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  Abstract

This paper proposes a user's mobility based cooperative proxy caching policy for effective resource management of continuous media objects in mobile environments. This policy is different from the existing proxy caching policies in terms of how to exploit users' mobility. In other words, existing caching policies work based on the information about objects by referring to user's requests within a specified domain whereas the proposed caching policy runs by utilizing a number of user's requests across several domains. So, the proposed policy is applicable to random requests in mobile environments Moreover, we also propose a replacement policy based on weights and playback time. To check the efficiency of the proposed caching policy, the proposed replacement policy is run with different size of caching unit : object or segment. The result of performance analyze tells what a ratio of user's mobility is are major factors for the efficient operation of the cooperative caching.

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[IEEE Style]

S. W. Lee, H. S. Lee, S. H. Park, K. D. Chung, "A Cooperative Proxy Caching for Continuous Media Services in Mobile Environments," The KIPS Transactions:PartB , vol. 11, no. 6, pp. 691-700, 2004. DOI: 10.3745/KIPSTB.2004.11.6.691.

[ACM Style]

Seung Won Lee, Hwa Sei Lee, Seong Ho Park, and Ki Dong Chung. 2004. A Cooperative Proxy Caching for Continuous Media Services in Mobile Environments. The KIPS Transactions:PartB , 11, 6, (2004), 691-700. DOI: 10.3745/KIPSTB.2004.11.6.691.

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