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CICQ(Combined Input-Crosspoint Queued) is a switch fabric with buffers in crosspoints, which brings its nice distributed parallel scheduling property with no internal speedup required. In order to adjust to the nonuniform traffic in the network environment, a novel round-robin scheduling algorithm by using the longest queue detecting (RR-LQD) is proposed. The simulation results show that the RR-LQD...
CICQ (Combined Input-Crosspoint Queued) switch fabric is an ideal solution for high-speed routers, which brings its nice distributed parallel scheduling property with no internal speedup required. Studying through resent scheduling algorithms for CICQ, it is shown that the basic reason leading to instability and performance decrease of throughput under nonuniform traffic is the imbalance of input...
This paper considers memory-space-memory (MSM) Clos packet switching networks, and investigates the conditions for it to match an output queueing switch, which is always desirable because of its optimal performance for all traffic patterns. As an MSM Clos network operates at speed about twice the line rates to emulate an OQ switch, which may limit its scalability when the line rates are very high...
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