Abstract A switching architecture suitable for broadband applications, employing R ‐replicated Banyan interconnection networks with input and output buffering, is presented. Various solutions for traffic management among the replicated networks and buffer allocation are considered and their performances evaluated by means of an analytical model based on Markov chain representations of input and output buffers. The main results regard evaluation of maximum throughput, delay and packet loss probability by varying operating and design parameters. It has been shown that our architecture satisfies broadband switching operating requirements, with a suitable choice of design parameters, and also performs better than other architectures presented in literature. These considerations suggest that the investigated architecture is very interesting for the implementation of a broadband switch and should be compared with other solutions in an economic perspective.
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