Fault-Tolerant Wormhole Routing with 2 Virtual Channels in Meshes

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摘要 Inwormholemeshes,areliableroutingissupposedtobedeadlock-freeandfault-tolerant.Manyroutingalgorithmsareabletotoleratealargenumberoffaultsenclosedbyrectangularblocksorspecialconvex,noneofthem,however,iscapableofhandlingtwoconvexfaultregionswithdistancetwobyusingonlytwovirtualnetworks.Inthispaper,afault-tolerantwormholeroutingalgorithmispresentedtotoleratethedisjointedconvexfaultyregionswithdistancetwoornoless,whichdonotcontainanynonfaultynodesanddonotprohibitanyroutingaslongasnodesoutsidefaultyregionsareconnectedinthemeshnetwork.Theprocessors'overlappingalongtheboundariesofdifferentfaultregionsisallowed.Theproposedalgorithm,whichroutesthemessagesbyX-Yroutingalgorithminfault-freeregion,cantolerateconvexfault-connectedregionswithonlytwovirtualchannelsperphysicalchannel,andisdeadlock-andlivelock-free.Theproposedalgorithmcanbeeasilyextendedtoadaptiverouting.
机构地区 不详
出版日期 2005年06月16日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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