A Strategy to maintain Cache Consistency in Mobile Computing Environments using the Asynchronous Broadcasting 


Vol. 5,  No. 11, pp. 2763-2775, Nov.  1998
10.3745/KIPSTE.1998.5.11.2763


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  Abstract

In mobile computing environments, to efficiently use the narrow bandwidth of wireless networks a mobile host caches the data that are frequently accessed. But, because the cached data can be inconsistent with the data in a server due to the host mobility and the disconnection from a server, the usefullness of cached data may be losted. The traditional methods emphasize on the cache consistency and assume that broadcasting times are synchronized at all mobile support stations. In this paper, we propose a strategy to maintain cache consistency, which resolves the problems that be caused by the migration of mobile host. The proposed strategy has asynchronous broadcasting time and reduces the communication overhead caused by the synchronization. Also, by preventing the unnecessary messages transmitting from the mobile support station to a mobile host, this strategy can reduce the communication cost and use the narrow bandwidth of wireless networks efficiently.

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[IEEE Style]

K. D. Ong, P. S. Bae, H. B. Hyun, "A Strategy to maintain Cache Consistency in Mobile Computing Environments using the Asynchronous Broadcasting," The Transactions of the Korea Information Processing Society (1994 ~ 2000), vol. 5, no. 11, pp. 2763-2775, 1998. DOI: 10.3745/KIPSTE.1998.5.11.2763.

[ACM Style]

Kim Dae Ong, Park Seong Bae, and Hwang Bu Hyun. 1998. A Strategy to maintain Cache Consistency in Mobile Computing Environments using the Asynchronous Broadcasting. The Transactions of the Korea Information Processing Society (1994 ~ 2000), 5, 11, (1998), 2763-2775. DOI: 10.3745/KIPSTE.1998.5.11.2763.

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