Marcial Fernandez,  Aloysio de Castro P. Pedroza,  José Ferreira de Rezende. 

The Differentiated Services architecture has been proposed to offer quality of service in the Internet. Most of the works on Diffserv (DS) handles QoS garantees in a per node basis. This assumes that guaranteeing QoS in a a single node also leads to QoS in the entire DS domain. Nevertheless, this is not always true. This paper proposes a framework that offers QoS in a DS domain using a fuzzy logic controller. This QoS controller reconfigures all DS nodes according ingress traffic and domain policies. In this framework, Policy Based Management is used to provide QoS in DS domain, controling heterogeneous equipments. The prototype performance and functionalities are shown by simulation of a voice over IP application.

http://www.lbd.dcc.ufmg.br:8080/colecoes/sbrc/2001/038.pdf

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