Real-time client-server push strategies: Specification and evaluation

Vinay Kanitkar, Alex Delis

Research output: Contribution to journalConference articlepeer-review


The widespread use of networked environments and the recent availability of high network bandwidths has rekindled interest in the area of automatic data refresh/update mechanisms. In many application areas, the updated information has a limited period of usefulness. Therefore, the development of systems and protocols that can handle such update tasks within predefined deadlines is required. The authors propose and evaluate two real-time update-propagation mechanisms in a client-server environment. The main idea is the transport of update transactions to the location of the cached data rather than the updated data itself. Unlike current push mechanisms, the propagation of update transactions to client sites is neither periodic nor mandatory. Instead, it is based on client-specific criteria which depend on the contents of the database object being updated. They examine real-time push scheduling issues using the popular client-server database model as the underlying framework and carry out a performance scalability study under varying system configurations.

Original languageEnglish (US)
Article number683202
Pages (from-to)179-188
Number of pages10
JournalReal-Time Technology and Applications - Proceedings
StatePublished - 1998
Event4th IEEE Real-Time Technology and Applications Symposium, RTAS 1998 - Denver, CO, United States
Duration: Jun 3 1998Jun 5 1998

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Hardware and Architecture
  • Software


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