NDLI: Fault-tolerant wormhole routing algorithms in meshes in the presence of concave faults

Content Provider	IEEE Xplore Digital Library
Author	Park, S. Youn, J.-H. Bose, B.
Copyright Year	2000
Description	Author affiliation: Dept. of Comput. Sci., Michigan Technol. Univ., Houghton, MI, USA (Park, S.)
Abstract	A fault ring is a connection of only nonfaulty adjacent nodes and links such that the interior of the ring contains only faulty components. This paper proposes two wormhole routing algorithms that deal with more relaxed shapes of fault rings than previously known algorithms in the mesh networks. As a result, the number of components to be made disabled would be reduced considerably in some cases. First algorithm, called F4, uses four virtual channels and allows all four sides of fault rings to contain concave shapes. Second algorithm, F3, permits up to three sides to contain concave shapes using only three virtual channels. Both F3 and F4 are free of deadlock and livelock and guarantee the delivery of messages between any pair of nonfaulty and connected nodes in the network.
Starting Page	633
Ending Page	638
File Size	117281
Page Count	6
File Format	PDF
ISBN	0769505740
DOI	10.1109/IPDPS.2000.846045
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-05-01
Publisher Place	Mexico
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fault tolerance Routing Computer science System recovery Shape Algorithm design and analysis Mesh networks Computer worms Communication switching Delay
Content Type	Text
Resource Type	Article

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