The Broadband Integrated Services Digital Network (B-ISDN) will be based on the Asynchronous Transfer Mode (ATM) that allows statistical multiplexing of variable bit rate (VBR) sources to make efficient use of the network resources. The ability of the network elements to apply statistical multiplexing while providing a guaranteed quality of service (QoS) to the users is depending on the statistical properties of the ATM traffic streams Thus it is essential to investigate the multiplexing behaviour of different ATM traffic streams with respect to the ATM QoS parameters cell loss, cell delay and cell delay variation using realistic source models. Since compressed video data will have a major share in future broadband traffic and the MPEG coding algorithm up to now has achieved wide popularity, we will concentrate on VBR MPEG video data streams The flexible hierarchical source model presented in [Enss 95], that is capable of modelling VBR MPEG video and other sources that exhibit long range dependence (LRD) and/or periodic properties, is used to investigate in detail the multiplexing behaviour of such sources.
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