The authors study the problem of interconnecting several localarea networks (LAN) across a highspeed backbone network (HSN). Becauseof the important gap between the transmission rate of the HSN comparedto the ones of the LAN, a risk of severe congestion appears at theinterconnection router that feeds the destination LAN. They study thisproblem using simplifying assumptions that allow them to develop asimulation model in the form of a queueing system. Simulation sessionsmade in simple cases show that significant gains in network utilizationcan be achieved by use of a real-time closed-loop control between theinterconnection routers, at the expense of only a little additionaltraffic. They conclude with remarks about implementation possibilitiesand possible cooperation with other algorithms
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