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Issue No.05 - May (1984 vol.33)
pp: 450-455
F.S. Wong , Department of Electrical Engineering, University of British Columbia
This paper describes a novel loop-structured switching network (LSSN) intended for highly parallel processing architectures. With L loops, it can connect up to N = L* log2 L pairs of transmitting and receiving devices using only N/2 two-by-two switching elements; thus, it is very cost-effective in terms of its component count. Its topology resembles that of the indirect binary n-cube network, but a much higher device-to-switch ratio is achieved because all the links between the switches could be used as both transmitting and receiving stations. It has the advantage of incremental extensibility, and-it could avoid store-and-forward deadlocks (SFD) which prevail in other recirculating packet-switched networks. Our simulation studies show that the average throughput rate and delay of LSSN are close to that of other designs despite its relatively low component count.
recirculating networks, Deadlock avoidance methods, packet switching, parallel processing architectures
F.S. Wong, M.R. Ito, "A Loop-Structured Switching Network", IEEE Transactions on Computers, vol.33, no. 5, pp. 450-455, May 1984, doi:10.1109/TC.1984.1676462
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