A network operating system for microcomputers

  • Authors:
  • Akkiebal A Ananda;Brian W Marsden

  • Affiliations:
  • Department of Computer Science, University of Singapore, Singapore;Barclays Microprocessor Unit, Department of Computer Science, University of Manchester, Manchester M13 9PL, UK

  • Venue:
  • Computer Communications
  • Year:
  • 1984

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Abstract

The design philosophy of this portable network operating system is based on the client-server model, and uses layering techniques based on the network architecture proposed by Mimica and Marsden. The PNOS uses a uniform interprocess communications mechanism to handle both interhost and intrahost communications, using the concept of ports. It has been designed for implementation as a 'guest layer', using an existing operating system base, thus retaining the system call conventions of the base operating system. In this way, the great majority of application software and utilities written for the base operating system can still be used with PNOS. The pilot version has been implemented over CP/M 80. Issues such as the design of suitable supporting high-level protocols, and handling of different naming conventions, are for further study.