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A Fault-tolerant Switch for Next Generation Computer Networks

, and . International Journal on Network Security, 2 (1): 5 (January 2011)

Abstract

In this paper, the architecture of a Multi-plane Parallel Deflection-Routed Circular Banyan (PDCB) network based switching fabric is introduced. The PDCB network has a cyclic, regular, self-routing, simple architecture and fairly good performance. Its Performance is improved due to reduction in blocking by two-dimensional path-multiplicity of the proposed architecture. It consists of 4X4 Switching Elements. The proposed switch is shown to be fault-tolerant. A simple analytical model based on Markov chain to evaluate the performance of proposed switch under uniform traffic condition has also been presented in this paper. The performance parameters studied are Normalized Throughput and Normalized Delay. Simulation study of the switch is also performed to validate the model proposed.

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