Fibre Distributed Data Interface (FDDI)
- Networking Topics
- Fibre Distributed Data Interface (FDDI)
Fibre Distributed Data Interface (FDDI) was created to try and build a network capable of high-speed data transfer as well as incorporating a fault tolerance within the system.
FDDI was initially produced as a standard by an ANSI committee during the mid 1980’s, later becoming an ISO standard.
Due to it’s speed and high fault tolerance, FDDI is typically used in mission-critical applications.
FDDI uses a token passing logical topology like Token Ring however FDDI differs from Token Ring because it consists of a dual ring structure of fibre optic cabling as opposed to copper based media.
The dual ring consists of a primary and secondary ring, the later used only for fault tolerance when the primary ring fails.
FDDI specifies the usage of multi-mode or single-mode optic fibre, the later capable of higher bandwidth and greater distance, but costing more than multi-mode fibre. Typically single-mode is used for intra-building connections.
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