End-to-end TCP performance of the couple CBM traffic conditioner and RIO buffer management in a three node topology
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Grupo Ingeniería Telemática (GIT)Área de conocimiento
Ingeniería TelemáticaPatrocinadores
This work was supported by the Spanish Research Council under projects TEC2004-05622-C04-02/TCM and TIC2001-3339-C02-02.Fecha de publicación
2004-11-08Editorial
International Association of Science and Technology for Development (IASTED)Cita bibliográfica
CANO BAÑOS, María Dolores y CERDÁN CARTAGENA, José Fernando. End-to-end TCP performance of the couple CBM traffic conditioner and RIO buffer management in a three node topology. En: IASTED International Conference on Communications and Computer Networks, CNN`04 (2ª: 2004: Cambridge, USA). Proceedings of the Second IASTED International Conference on Communications and Computer Networks. Cambridge: IASTED, 2004. Pp. 293-299. ISBN 0-88986-429-2Palabras clave
Acondicionador de tráficoServicio garantizado
QoS
Servicio diferenciado
Topologías de tres nudos
Traffic conditioner
Guaranteed service
Differentiated service (DiffServ)
Topology of three nodes
Resumen
Despite the abundant literature written about the AF PHB,
no solution has been found to efficiently face up its two
goals, assuring a minimum rate to the users and offering a
fair distribution of the excess bandwidth if available. The
Counters Based Modified (CBM) traffic conditioner,
presented in a previous work, is able to achieve these
objectives in single-node topologies. This paper raises
issues with providing bandwidth assurance and spare
bandwidth distribution for TCP flows in more complex
topologies than usual. Simulation results explore the
effect of target rates, round trip times, and efficiency of
CBM when up to three network nodes implement service
differentiation, including in some cases the coexistence of
assured service and best-effort traffics.
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