NDLI: A foundation for designing deadlock-free routing algorithms in wormhole networks

Content Provider	IEEE Xplore Digital Library
Author	Jayasimha, D.N. Manivannan, D. May, J.A. Schwiebert, L. Hary, S.L.
Copyright Year	1996
Description	Author affiliation: Intel Corp., Santa Clara, CA, USA (Jayasimha, D.N.)
Abstract	This paper provides necessary and sufficient conditions for deadlock-free unicast and multicast routing with the path-based routing model in interconnection networks which use the wormhole switching technique. The theory is developed around three central concepts: channel waiting, false resource cycles, and valid destination sets. The first two concepts are suitable extensions to those developed for unicast routing by two authors of this paper; the third concept has been developed by Lin and Ni. The necessary and sufficient conditions can be applied in a straightforward manner to prove deadlock freedom and to find more adaptive routing algorithms for collective communication. The latter point is illustrated by developing two routing algorithms for multicast communication in 2-D mesh architectures. The first algorithm uses fewer resources (channels) than an algorithm proposed in the literature but achieves the same adaptivity. The second achieves full adaptivity for multicast routing.
Starting Page	190
Ending Page	197
File Size	1022060
Page Count	8
File Format	PDF
ISBN	0818676833
DOI	10.1109/SPDP.1996.570333
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1996-10-23
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Algorithm design and analysis System recovery Routing Intelligent networks Multicast algorithms Computer architecture Educational institutions Computer networks Information science Sufficient conditions
Content Type	Text
Resource Type	Article

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