A token-ring network for local data communications

  • Authors:
  • R. C. Dixon;N. C. Strole;J. D. Markov

  • Affiliations:
  • IBM Communication Products Division, North Carolina;IBM Communication Products Division, North Carolina;IBM Communication Products Division, North Carolina

  • Venue:
  • IBM Systems Journal
  • Year:
  • 1983

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Abstract

Technical innovations such as large-scale integrated circuit technology and distributed operating systems have respectively reduced the cost of computing and provided a basis for large networks within the confines of a single building or cluster of buildings in close proximity to one another. Local area networks can provide a systematic approach for interconnecting personal workstations, control units, and central processing units, thereby providing a means for these machines to pass information from one to the other. This paper describes a local area network based on the fundamental concepts of a token-ring. Two main ideas are presented. The first idea concerns the physical topology of the wiring network and its star-ring organization. Next, the logical data flows are overlaid on the physical network to provide controlprocedures for exchanging data through the network. The resulting system has unique features that produce a local area network with good performance and reliability characteristics.