Large scale enterprise ATM node with per-VC traffic control

Abstract On the backbone nodes of enterprise networks which handle data and voice traffic, complicated Quality of Service (QoS) capability, transmission efficiency, and high reliability are required. ATM technology satisfies those requirements. We have developed a large scale enterprise ATM node based on the shared buffer switch architecture. In the node, per-VC traffic control functions are implemented at low cost using centralized control of buffer write and read. In this paper, we explain the detail of the per-VC traffic control functions and show the performance results of ABR control using the node.