Adaptive transaction management protocols for mobile client caching DBMSs

Il Young Chung, Le Gruenwald, Chong Sun Hwang, Soon Young Jung

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


In mobile client-server database systems, caching of frequently accessed data is an important technique that will reduce the contention on the narrow bandwidth wireless channel. As the server in mobile environments may not have any information about the state of its clients' cache (stateless server), the use of a broadcast approach to transmit the list of updated data to numerous concurrent mobile clients is an attractive approach. In this paper, two caching methods are proposed to support transaction semantics at mobile clients. Proposed protocols adopt asynchronous broadcasting and hybrid broadcasting as the way of sending control messages, in order to dynamically adapt to system workload (update pattern, data locality). We study the performance of the proposed protocols by means of simulation experiments.

Original languageEnglish
Pages (from-to)445-457
Number of pages13
JournalJournal of Information Science and Engineering
Issue number3
Publication statusPublished - 2002 May
Externally publishedYes


  • Broadcasting
  • Cache consistency
  • Client-server databases
  • Concurrency control
  • Mobile computing

ASJC Scopus subject areas

  • Software
  • Human-Computer Interaction
  • Hardware and Architecture
  • Library and Information Sciences
  • Computational Theory and Mathematics


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