On Resource Management in Multi-Service Network

  • Authors:
  • V. Kaminsky;L. Kacnelson;I. Gerlovin

  • Affiliations:
  • -;-;-

  • Venue:
  • LCN '01 Proceedings of the 26th Annual IEEE Conference on Local Computer Networks
  • Year:
  • 2001

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Abstract

In present work we address a problem of optimal resourcepartitioning in high-speed network with heterogeneoustraffic classes and differentiated QoS requirements.The problem arguments are bandwidth and network-edgebuffer space allocations for end-to-end connections.Theproblem formulation can take into account sensitivity variation of application performance for both aggregated andsingle service requests.The proposed method is recursiveand solves two problems on each iteration step.Thefirst step defines optimal relations between network media, equipment performance parameters and selected routingscheme in accordance with generalized mean of linksand network nodes loads.Mutual influence of flows in thenetwork is considered on this stage.The second stage isintended to provide optimal bandwidth and buffer size allocation parameters under network resource and QoS constraints.At this stage, stochastic resource allocation problem formulation with piecewise linearization of non-linearconstraints is applied.We use connection request distribution, average connection duration time and quantity of information exchange as sensitive parameters in post optimalanalysis to improve solution convergence to optimal tradeoff between resource allocation and acceptable applicationperformance.