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A unified data flow model for fault tolerant computersThe Dataflow Simulation System (DFSS) at USL was used as the medium on which a functional simulaton of sIFT was produced. DFSS is written in PL/I and is supported by MULTICS. Within the simulation, all the interprocessor communication, fault simulation, system state data, and monitoring were implemented in dataflow and supported directly by DFSS. The actual processor level computation was carried out by the SIFT code in PASCAL. The interface between DFSS in PL/I and the SIFT code in PASCAL was supported under a mechanism in DFSS called a Node Realization Module (NRM).
Document ID
19840014162
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Rao, T. R. (University of Southwestern Louisiana Lafayette, LA, United States)
Ramanamurthy, V. V. (University of Southwestern Louisiana Lafayette, LA, United States)
Youssefi, A. (University of Southwestern Louisiana Lafayette, LA, United States)
Kavi, K. M. (Texas Univ. Arlington, United States)
Date Acquired
September 4, 2013
Publication Date
April 25, 1984
Subject Category
Computer Operations And Hardware
Report/Patent Number
NAS 1.26:173479
NASA-CR-173479
Accession Number
84N22230
Funding Number(s)
CONTRACT_GRANT: NAG1-271
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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