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Randomized routing with shorter paths

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3 Author(s)
Upfal, E. ; IBM Almaden Res. Center, San Jose, CA, USA ; Felperin, S. ; Snir, M.

Studies the use of randomized routing in multistage networks. While log N additional randomizing stages are needed to break “spatial locality”, within each permutation, only log log N additional randomizing stages are needed to break “temporal locality” among successive permutations. Thus, log N bits of initial randomization per input, followed by log log N bits of randomization per packet are sufficient to ensure that t permutations are delivered in time t+log N. We present simulation results that validate this analysis

Published in:

Parallel and Distributed Systems, IEEE Transactions on  (Volume:7 ,  Issue: 4 )