Performance Evaluation for Different Arrangements of Routing and Forwarding Paths Within Bufferless Data Vortex Networks

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Executive Summary

Extended performance evaluation is carried out on Data Vortex optical interconnection networks with different routing and forwarding path arrangements. A modified Data Vortex network architecture based on general k-ary decoding routing at each node has been proposed and different cases are compared in search for the optimum layout. For bufferless implementation, the original Data Vortex networks based on binary decoding stages are shown to achieve the best combined routing performance in throughput and latency. The authors specifically focus on the performance comparison between the binary decoding (k=2) and 4-ary decoding (k=4) cases to illustrate the different network behaviors.

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