Asynchronous Transfer Mode (ATM)-based access network with multicast function for multimedia services

We categorize broadband multimedia services according to their required bit rates and their transport symmetries. We also describe typical access networks, their service coverages and migrations. According to our analysis, we propose ATM-based Multimedia Information and Communication System (AMICS) as an ATM based multimedia multi-service platform. AMICS consists of ATM backbone networks, ATM ring regional transport networks, and ATM access networks. The access network has an active double star configuration and provides multicast/statistical multiplexing functions. The multicast function in AMICS is evaluated using near-video-on-demand and CATV service simulations.

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