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
whereas
host computers are normally single-attached or
For example, a ring could be formed between a single router
and two concentrators (all dual-attached) then all other
components that need to be fault-tolerant (typically file
(1994-12-13)