The fault-tolerant 3B-20 processor

  • Authors:

  • L. E. Gallaher;W. N. Toy

  • Affiliations:

  • Bell Telephone Laboratories, Naperville, Illinois;Bell Telephone Laboratories, Naperville, Illinois

  • Venue:
  • AFIPS '81 Proceedings of the May 4-7, 1981, national computer conference
  • Year:
  • 1981

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Abstract

The 3B-20 is the first Bell System general-purpose telecommunication processor designed to meet a broad range of applications. New features such as memory management are incorporated into its design to support a modern operating system. Hardware supports are provided to efficiently execute a high-level language. The 3B-20 Processor is designed to meet ESS reliability requirements and the proven technique of self-checking duplex operation forms its basic architecture structure.