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A scheme for a guaranteed minimum throughput service based on packet classes

Research output: Chapter in Book/Conference proceedingConference proceedingpeer-review

Abstract

Flows from elastic applications such as web or ftp require a minimum network throughput and can benefit by an extra throughput due to their rate-adaptive algorithms (built in TCP). We propose a scheme for a guaranteed minimum throughput service that is able to provide different minimum throughput to different users and protection against non-responsive sources. It is built using a small set of packet classes in a core-stateless network. At the ingress of the network each flow packet is marked as one of the set of classes, and within the network, each class is assigned a different discarding priority. It includes Admission Control, using a method that is based on edge-to-edge flow measurements and that requires flows to send with a minimum rate. We evaluate the scheme through simulation using different traffic loads consisting of TCP flows that carry files of varying sizes. In the simulation, TCP uses a new algorithm that forces the source to keep the short-term sending rate above a desired minimum rate. We study the influence of several parameters on the performance in different network topologies. The results prove that the scheme guarantees the requested throughput to accepted flows and achieves a high utilization of network resources.

Original languageEnglish
Title of host publicationInternational Symposium on Performance Evaluation of Computer and Telecommunication Systems 2005, SPECTS'05, Part of the 2005 Summer Simulation Multiconference, SummerSim'05
Pages391-400
Number of pages10
Publication statusPublished - 2005
EventInternational Symposium on Performance Evaluation of Computer and Telecommunication Systems 2005, SPECTS 2005, Part of the 2005 Summer Simulation Multiconference, SummerSim 2005 - Cherry Hill, NJ, United States
Duration: 24 Jul 200528 Jul 2005

Publication series

NameInternational Symposium on Performance Evaluation of Computer and Telecommunication Systems 2005, SPECTS'05, Part of the 2005 Summer Simulation Multiconference, SummerSim'05

Conference

ConferenceInternational Symposium on Performance Evaluation of Computer and Telecommunication Systems 2005, SPECTS 2005, Part of the 2005 Summer Simulation Multiconference, SummerSim 2005
Country/TerritoryUnited States
CityCherry Hill, NJ
Period24/07/0528/07/05

Keywords

  • Admission control
  • Elastic traffic
  • Minimum throughput service
  • Packet classes
  • Quality of service
  • TCP

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