Caching for Mobile Communication

  • Authors:
  • Tamra Carpenter;Robert L. Carter;Munir Cochinwala;Martin Eiger

  • Affiliations:
  • -;-;-;-

  • Venue:
  • ADBIS-DASFAA '00 Proceedings of the East-European Conference on Advances in Databases and Information Systems Held Jointly with International Conference on Database Systems for Advanced Applications: Current Issues in Databases and Information Systems
  • Year:
  • 2000

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Abstract

We study caching as a means to reduce the message traffic and database accesses required for locating called subscribers in a Personal Communication Services (PCS) network. The challenge of caching routing information for mobile clients lies in the uncertainty of the length of time that the information remains valid.We use expiration timestamps to safeguard against using stale cached data. We study a variety of caching algorithms and a variety of methods for setting timestamps based on client mobility. We report results from simulation studies.