Abstract
Metropolitan Area Networks provide bandwidths in the range of several hundreds of Mbit/s up to 1 Gbit/s. Applications, for example in the multimedia area, could take advantage of the network performance, but currently communication systems are hardly able to support high bandwidth. Even processing of the transport oriented layers is not fast enough. To overcome the transport-oriented protocol processing bottleneck, this paper presents a transport system called PATROCLOS (parallel transport system for cell based networks), which is based on the utilization of parallel architectures. Because conventional communication protocols do not support parallelism very efficiently, the transport system is especially designed to be appropriate for an implementation on a hybrid multiprocessor architecture. PATROCLOS is designed mainly for networks with small transmission units like ATM or DQDB, and provides a reliable transport service. Adaptation layer processing is integrated into the transport system, therefore below the transport system only media access units are required.
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