A virtual circuit switch as the basis for distributed systems

  • Authors:
  • G. W.R. Luderer;H. Che;W. T. Marshall

  • Affiliations:
  • -;-;-

  • Venue:
  • SIGCOMM '81 Proceedings of the seventh symposium on Data communications
  • Year:
  • 1981

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Abstract

A communication system is presented which consists of a switch (Datakit [Fraser 1979]) with associated control and interface hardware and software. The switch offers virtual circuit service which is internally implemented through packet switching. The users of the communication system are operating systems; using our communication system, we have implemented a network of UNIXTM systems and a new distributed operating system derived from UNIX. Our work concentrated on the performance of the subscriber-switch interface; on the reliability and recoverability of the switching service; and on the exploitation of the circuit concept for operating system design.