A Strategy To Reduce Network Traffic Using Two-layered Cache Servers for Continuous Media Data on the Wide Area Network 


Vol. 7,  No. 10, pp. 3262-3271, Oct.  2000
10.3745/KIPSTE.2000.7.10.3262


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  Abstract

Continuous media objects, due to large volume and real-time constraints in their delivery, are likely to consume much network bandwidth Generally, proxy servers are used to hold the frequently requested objects so as to reduce the network traffic to the central server but most of them are designed for text and image data that they do not go well with continuous media data. So, in this paper, we propose a two-layered network cache management policy for continuous media object delivery on the wide area networks. With the proposed cache management scheme, in each LAN, there exists one LAN cache and each LAN is further divided into a group of sub-LANs, each of which also has its own sub-LAN eache. Further, each object is also partitioned into two parts the front-end and rear-end partition. They can be loaded in the same cache or separately in different network caches according to their access frequencies. By doing so, cache replacement overhead could be educed as compared to the case of the full size data allocation and replacement , this eventually reduces the backbone network traffic to the origin server.

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[IEEE Style]

Y. W. Park, K. D. Chung, K. H. Beak, "A Strategy To Reduce Network Traffic Using Two-layered Cache Servers for Continuous Media Data on the Wide Area Network," The Transactions of the Korea Information Processing Society (1994 ~ 2000), vol. 7, no. 10, pp. 3262-3271, 2000. DOI: 10.3745/KIPSTE.2000.7.10.3262.

[ACM Style]

Yong Woon Park, Ki Dong Chung, and Kun Hyo Beak. 2000. A Strategy To Reduce Network Traffic Using Two-layered Cache Servers for Continuous Media Data on the Wide Area Network. The Transactions of the Korea Information Processing Society (1994 ~ 2000), 7, 10, (2000), 3262-3271. DOI: 10.3745/KIPSTE.2000.7.10.3262.

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