Object-Based Message Ordering in Group Communication

  • Authors:
  • Takayuki Tachikawa;Makoto Takizawa

  • Affiliations:
  • -;-

  • Venue:
  • WORDS '97 Proceedings of the 3rd Workshop on Object-Oriented Real-Time Dependable Systems - (WORDS '97)
  • Year:
  • 1997

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Abstract

In distributed applications, a group of multiple objects are cooperated. Kinds of group communication protocols have been discussed so far, which support the reliable and ordered delivery of messages at the network level. However, only messages to be ordered at the application level are required to be causally delivered. The state of the object depends on in what order the conflicting requests are computed and the responses and requests are transmitted. In this paper, we define the object-based precedence order of messages based on the conflicting relation among the requests. We discuss a protocol which supports the object-based ordered delivery of request and response messages.