Abstract
The Deterministic Access Fibre Network, an optical fibre local area network which aims to offer a set of services including data transmission, sound and images, is presented. The topology is of the ring type, on which there are active nodes based on the International Organization for Standardization Open Systems Interconnection architecture, with access complying with the IEEE 802.5 token-ring standard. To increase throughput, and to make the network highly reliable, a two-fibre cable forming two counter-rotating rings is installed. First, the hardware and software architecture adopted for a typical DAFNE node is discussed, then a methodology to aid the designer in choosing the optimal LAN configuration according to the user's needs by a highly interactive and automated environment is outlined. Finally, analytical and simulation approaches are shown for performance evaluation of the Medium Access Control layer.
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