Análisis de las prestaciones del acondicionador de tráfico CBM en un dominio DiffServ
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Este trabajo se enmarca dentro del proyecto CICYT FAR-IP (TIC2000-1734-C03-03).Publication date
2003-09Publisher
Universidad de Las Palmas de Gran Canaria. Servicio de PublicacionesBibliographic Citation
CANO, María Dolores, CERDÁN, Fernando, GARCÍA HARO, Joan, MALGOSA SANAHUJA, José María. Análisis de las prestaciones del acondicionador de tráfico CBM en un dominio DiffServ. En: Jornadas de Ingeniería Telemática (4º: 2003: Las Palmas de Gran Canaria). IV Jornadas de Ingeniería Telemática : JITEL 2003, Gran Canaria, 15 al 17 de septiembre de 2003. Las Palmas de Gran Canaria: Universidad. Servicio de Publicaciones. 2003. 1-8 p. ISBN 84-96131-38-6Keywords
Servicio diferenciadoQoS
RIO
Ancho de banda
Fallos en la red
Differentiated service (DiffServ)
CBM traffic conditioner
Bandwidth
Network failures
Acondicionador de tráfico
Abstract
The Counters-Based Modified (CBM) traffic conditioner was introduced in a previous work
as a feasible option to implement the Assured Forwarding (AF) service in DiffServ. In this paper we
present an end-to-end performance analysis of TCP Reno sources that employ the CBM in a DiffServ
domain. We present simulation results in a three-RIO-node topology under miscellaneous
characteristics: different contract rates, heterogeneous RTT, co-existance of best-effort and AF
sources, and eficience of CBM when some network node does not implement service differentiation. As
shown in simulation results, it is possible to guarantee an AF service that ensures contracted target
rates and performs a fair share of the excess bandwidth.
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