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Adaptive Feedback Compensation for Distributed Load-based Routing Systems in Datagram Packet-switched Communications Networks by Arthur S. Olsen is a Computer Science article available to read on EtoBox.

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Routing systems for datagram packet-switched networks' iteratively applying Shortest Path First (SPF) algorithms on load-based link cost metrics exhibit poor stabilization and convergence properties at moderate traffic loads without the addition of experimentally determined Bertsekas Additive Bias Factors to aid in damping undesirable oscillations. Routing systems which iteratively apply SPF Algorithms on load-varying link costs implicitly assume routing assignments can be independently modified without affecting the validity of cost estimates on other links. Even under stationary offered loads, this assumption is less accurate as the load increases due to nonlinear dynamical interactions among traffic flows. Failure to compensate for this independence assumption in iterative SPF computations leads to dynamical instabilities above moderate offered loads. Unfortunately, while Bertsekas Additive Bias Factors improve stability, they also reduce the sensitivity of the routing system to network congestion. As alleviation of traffic congestion is often an important service requirement for a routing system, this is a serious drawback. This paper is motivated by a search for techniques to

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Author

Arthur S. Olsen

Publisher

ACM

Published

1997

Language

EN

Field

Computer Science (Physical Sciences)