Preliminary Evaluation of a Hybrid Deterministic/Adaptive Router

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Abstract

A novel routing scheme is proposed for virtual cut-through routing that attempts to combine the low routing delay of determinis- tic routing with the exibility and low queuing delays of adaptive rout- ing. This hybrid routing mechanism relies on a pipelined implementation where different paths and stages of the router are used for different rout- ing modes. A simulation based experimental evaluation of these three schemes shows that the hybrid scheme does indeed achieve its objectives.