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Computing (FOLDOC) dictionary
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The form of FDDI interface where a device is connected to
both FDDI token-passing rings, so that uninterrupted operation
continues in the event of a failure of either of the rings.
All connections to the main FDDI rings are dual-attached.
Typically, a small number of critical infrastructure devices
such as routers and concentrators are dual-attached,
whereas host computers are normally single-attached or
dual-homed to a router or concentrator.