High-performance multi-queue buffers for VLSI communications switches
ISCA '88 Proceedings of the 15th Annual International Symposium on Computer architecture
On the stability of input-queued switches with speed-up
IEEE/ACM Transactions on Networking (TON)
DRR A Fast High-Throughput Scheduling Algorithm for Combined Input Crosspoint-Queued CICQ Switches
MASCOTS '05 Proceedings of the 13th IEEE International Symposium on Modeling, Analysis, and Simulation of Computer and Telecommunication Systems
IEEE Communications Magazine
Matching output queueing with a combined input/output-queued switch
IEEE Journal on Selected Areas in Communications
An evolution to crossbar switches with virtual output queuing and buffered cross points
IEEE Network: The Magazine of Global Internetworking
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The intense growth experienced by the Internet on the past decade has motivated a considerable development in packet switching architectures. Several architectures have been proposed and implemented. Combined Input-Output Queuing (CIOQ) is one of such successful architectures. In this paper, we present a proposal of modeling, simulation and performance evaluation for two CIOQ switch architectures developed by Santos and Motoyama. The main objective is to evaluate their performance and to compare main results. The performance evaluation covers blocking probability, mean and maximum queuing occupation for several switch dimensions and load intensities. Finally, we validated the proposal models and proved that Santos and Motoyama architectures are very efficient, with small blocking probabilities and queuing requirements.