Evaluation of the Communications Control Processor

Abstract

This report evaluates the role of the pluribus, a multiprocessor/ multibus system, in its role as the communications control processor (CCP) at the Seismic Data Analysis Center (SDAC) over the 26 months from its installation in April 1977 through May 1979. In capacity the six processor Pluribus at the SDAC provides a bandwidth somewhat greater than 750,000 instructions per second, equivalent to three processors working full time. For the 16.8 KB/sec input and 28.2 KB/sec output data streams at SDAC operating in May 1979 this capacity is in excess of double the bandwidth required. The hardware reliability of the Pluribus lives up to its billing. However, the system suffered over 8% downtime, primarily due to software problems. The CCP is in an R&D environment at SDAC which required revisions of the CCP inputs and functions over the 26 months of operation studied.

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Document Details

Document Type
Technical Report
Publication Date
May 07, 1981
Accession Number
ADA099186

Entities

People

  • D. M. Miller
  • R. P. Colella
  • W. C. Dean

Tags

Communities of Interest

  • Energy and Power Technologies
  • Ground and Sea Platforms
  • Human Systems
  • Space

DTIC Thesaurus Topics

  • Application Software
  • Computer Networks
  • Computer Program Reliability
  • Computer Programming
  • Computers
  • Data Acquisition
  • Data Analysis
  • Data Processing
  • Databases
  • Debugging
  • Maintenance
  • Operating Systems
  • Power Supplies
  • Reliability
  • Signal Processing
  • Software Development
  • System Software

Readers

  • Educational Psychology
  • Parallel and Distributed Computing.
  • Seismology