Token-ring adapter-chipset architectural considerations for real-time systems

Thomas E. Marchok, Jay K. Strosnider, Hideyuki Tokuda

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

2 Citations (Scopus)

Abstract

The results of implementation studies utilizing commercially available IEEE 802.5 chip sets and boards are reported. Serious implementation flaws were discovered that prevent the full potential of the IEEE 802.5 token ring standard from being realized for real-time applications. Specifically, unbounded delays can be introduced which not only destroy the desired response time determinism offered by algorithmic scheduling, but which also negate asynchronous alert class guarantees and unnecessarily increase other asynchronous response times. An analysis is made of the scheduling properties of current implementations, and modifications to the current implementations are proposed to allow them to realize the full potential offered by the IEEE 802.5 standard for real-time applications.

Original languageEnglish
Title of host publicationProceedings - Real-Time Systems Symposium
Editors Anon
PublisherPubl by IEEE
Pages79-90
Number of pages12
ISBN (Print)0818620048
Publication statusPublished - 1989 Dec 1
EventProceedings - Real-Time Systems Symposium - Santa Monica, CA, USA
Duration: 1989 Dec 51989 Dec 7

Publication series

NameProceedings - Real-Time Systems Symposium

Other

OtherProceedings - Real-Time Systems Symposium
CitySanta Monica, CA, USA
Period89/12/589/12/7

ASJC Scopus subject areas

  • Software
  • Hardware and Architecture
  • Computer Networks and Communications

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  • Cite this

    Marchok, T. E., Strosnider, J. K., & Tokuda, H. (1989). Token-ring adapter-chipset architectural considerations for real-time systems. In Anon (Ed.), Proceedings - Real-Time Systems Symposium (pp. 79-90). (Proceedings - Real-Time Systems Symposium). Publ by IEEE.