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FDDI Media Access Control
Unlike CSMA/CD networks such like Ethernet token-passing networks are deterministic--you are able to calculate the maximum time that will pass before any end station will be able to transmit. FDDI's dual ring makes FDDI extremely reliable.
FDDI supports a real-time allocation of network bandwidth making it ideal for a variety of different application types. FDDI offers this support by defining two types of traffic - synchronous and asynchronous.
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