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Author(s): Maria Teresa Andrade
Artur Pimenta Alves
Title: Experiments with dynamic multiplexing and UPC renegotiation for video over ATM
Issue Date: 2000
Abstract: In this paper we present an experimental approach for QoS-aware and bandwidth-efficiency transmission of multimedia sources over ATM networks. VBR video sources are statistically multiplexed at the application level and the UPC parameters of a single connection for the aggregate traffic are dynamically renegotiated with the network during the session lifetime. A statistical multiplexer computes the required bandwidth for the agreggate traffic and dynamiccally assigns bandwidth according to the performances requested and network resources availability. A dynamic UPC manager using feedback information sent by the network, may initiate a renegotiation of traffic parameters upon receiving a request from the statistical multiplexer. Performing the connection admission control procedures for the aggregate traffic, allows significant reductions in the value of the total peak rate when compared to the sum of peak rates of individual connections. It also reduces the burstiness of the flow submitted to the network, thus increasing the lifetime of each set of UPC parameters.
Source: Proceedings of the International Conference UPC Networking 2000 - Broadband Communications, High Performance Networking and Performance of Communications Networks
Document Type: Artigo em Livro de Atas de Conferência Internacional
Rights: restrictedAccess
Appears in Collections:FEUP - Artigo em Livro de Atas de Conferência Internacional

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