Adaptive real-time group communication protocol

Carlos Almeida, Paulo Verissimo

Research output: Chapter in Book/Report/Conference proceedingConference contribution

6 Scopus citations

Abstract

In this paper, we address the problem of having real-time group communication in a system that is not completely synchronous (quasi-synchronous). This situation may happen when system load is not completely controlled and so, overload scenarios are not ruled out. In such scenarios, and for most of the networks used in this type of environments, temporal guarantees can only be made for the highest priority messages. The paper describes a group communication protocol that provides a total temporal order in such an environment. It adapts to the uncertainty of the environment by means of a failure detection service, in order to be able to achieve its safety properties in a timely fashion. The protocol also tries to provide early-delivery while preserving its ordering property.
Original languageEnglish (US)
Title of host publicationIEEE International Workshop on Factory Communication Systems, WPCS, Proceedings,
PublisherIEEEPiscataway, NJ, United States
Pages63-71
Number of pages9
StatePublished - Dec 1 1995
Externally publishedYes

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