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A packet class-based scheme for providing throughput guarantees to TCP flows

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

Abstract

TCP flows generated by applications such as the web or ftp require a minimum network throughput to satisfy users. To build this service, we propose a scheme with Admission Control (AC) using a small set of packet classes in a core-stateless network. At the ingress each flow packet is marked as one of the set of classes, and within the network, each class is assigned a different discarding priority. The AC method is based on edge-to-edge per-flow measurements, and it requires flows to be sent at a minimum rate. The scheme is able to provide different throughput to different flows and protection against non-responsive sources. We evaluate the scheme through simulation in several net-work topologies with different traffic loads consisting of TCP flows that carry files of varying sizes. In the simulation, TCP uses a new algorithm to keep the short-term sending rate above a minimum value. The results prove that the scheme guarantees the throughput to accepted flows and achieves high utilization of resources, similar to the ideal results of a classical hop-by-hop AC.

Original languageEnglish
Title of host publicationOperations and Management in IP-Based Networks - 5th IEEE International Workshop on IP Operations and Management, IPOM 2005, Proceedings
PublisherSpringer Verlag
Pages76-87
Number of pages12
ISBN (Print)3540293566, 9783540293569
DOIs
Publication statusPublished - 2005
Event5th IEEE International Workshop on IP Operations and Management, IPOM 2005 - Barcelona, Spain
Duration: 26 Oct 200528 Oct 2005

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume3751 LNCS
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Conference

Conference5th IEEE International Workshop on IP Operations and Management, IPOM 2005
Country/TerritorySpain
CityBarcelona
Period26/10/0528/10/05

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