Um Mecanismo de Controle Adaptativo com Requisitos de Justiça

Ricardo MartinsCristian KoliverJean-Marie Farines

This paper describes an adaptive control scheme for distributed multimedia applications, dealing with the receiver heterogeneity problematic. The controllers are deployed over the network, where all of them participate actively in the adaptation and are synchronized. They adapt the distributed multimedia flow, according to the end-to-end network conditions as perceived by the receivers. The adaptation is based on simple filtering techniques, and a synchronization between controllers is needed to indicate the maximum flow quality that a network node can receive. We also evaluate the influence of some network resource limitations on the proposed scheme. Our simulation results show the feasibility of our approach for congestion control and allow to obtain information about controller deployment and synchronization.

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