This research addresses the analysis of an event-driven FORTRAN Simulation Model that simulates a special kind of Computer-Communication network. The network modeled has a circuit-switched communication subnet whose trunk lines carry both voice and data traffic simultaneously. This effort considers the viability of routing strategies as a mechanism for reducing congestion. The performance of seven alternative routing strategies are measured in terms of user-visible metrics.Based on the experimental results obtained, this research concludes that fixed routing, the technique assumed by most models, is not as effective a tool for reducing congestions as would be a strategy based on link utilization. Minimization of congestion can be realized only if the routing strategy is adjusted as workload varies. Experimental data supporting these conclusions is presented.

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Routing as a flow control strategy in an integrated circuit/packet switched communications network

This research addresses the analysis of an event-driven FORTRAN Simulation Model that simulates a special kind of Computer-Communication network. The network modeled has a circuit-switched communication subnet whose trunk lines carry both voice and data traffic simultaneously. This effort considers the viability of routing strategies as a mechanism for reducing congestion. The performance of seven alternative routing strategies are measured in terms of user-visible metrics.
Based on the experimental results obtained, this research concludes that fixed routing, the technique assumed by most models, is not as effective a tool for reducing congestions as would be a strategy based on link utilization. Minimization of congestion can be realized only if the routing strategy is adjusted as workload varies. Experimental data supporting these conclusions is presented.

Routing as a flow control strategy within an integrated circuit/packet-switched communications network

: This research investigates the performance and design of integrated circuit/packet-switched computer-communication networks. The integrated network under consideration has a circuit-switched communications subnet whose trunk lines carry both voice and data simultaneously. Peripheral packet switches provide data subscribers access to the subnet, while voice subscribers terminate directly to the circuit switch nodes of the subnet.

Mark Ja Kiemele

Papers

Adaptive topological configuration of an integrated circuit/packet-switched computer network