Proportional delay differentiation (PDD) aims to maintain prespecified packet queueing-delay ratios between different classes of traffic at each hop. Existing rate-allocation approaches for PDD services assume the average queueing delay of a class is inversely proportional to its service rate. This assumption may not be valid in a non-heavily loaded system. In this paper, we present a rule-based approach to provide consistent PDD services under various load conditions. In this approach, the service rate of a class is adjusted according to a set of control rules. Simulation results demonstrate that, in comparison with other rate-allocation approaches, the rule-based approach is able to provide PDD services under light, moderate, and heavy load conditions consistently. © IFIP International Federation for Information Processing 2005.
CITATION STYLE
Wei, J., & Xu, C. Z. (2005). A rule-based approach for consistent proportional delay differentiation (extended abstract). In Lecture Notes in Computer Science (Vol. 3462, pp. 1388–1392). Springer Verlag. https://doi.org/10.1007/11422778_121
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