NDLI: Reliability modeling of SCI ring-based topologies

Content Provider	IEEE Xplore Digital Library
Author	Sarwar, M.A. George, A.D. Collins, D.E.
Copyright Year	2000
Description	Author affiliation: Dept. of EE, FAMU-FSU Coll. of Eng., Tallahassee, FL, USA (Sarwar, M.A.)
Abstract	Reliability prediction is an important factor in the study of multiprocessor and cluster interconnects. One such interconnect is the scalable coherent interface (SCI), a point-to-point, ring-based interconnect that can be connected into switched ring topologies. However, the reliability of SCI-based topologies cannot be deduced from earlier network reliability work as link failures within an SCI-based interconnect are not independent of one another. This paper presents the results of a reliability study on 1D and 2D k-ary n-cube switching fabrics for SCI based on the elimination of rings rather than of links. The reliability models were created in UltraSAN and verified using analytical modeling. The results show that the reliability of a single-ring system can be greatly enhanced by the addition of a redundant ring yet the reliability of a torus does not increase significantly with additional redundant rings. Hence, the benefit of adding redundant rings is dependent both upon the topology and the degree of reliability sought.
Starting Page	126
Ending Page	134
File Size	806831
Page Count	9
File Format	PDF
ISBN	0769509126
ISSN	07421303
DOI	10.1109/LCN.2000.891018
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-11-08
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Network topology Fault tolerant systems Redundancy Hypercubes Petri nets Educational institutions Reliability engineering Fabrics Analytical models Parallel processing
Content Type	Text
Resource Type	Article

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