Actions for Fault-tolerance techniques for high-speed fiber-optic networks

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Fault-tolerance techniques for high-speed fiber-optic networks

Author
Deruiter, John
Published
Nov 1, 1991.
Physical Description
1 electronic document
Online Version

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Unclassified, Unlimited, Publicly available.
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Summary
Four fiber optic network topologies (linear bus, ring, central star, and distributed star) are discussed relative to their application to high data throughput, fault tolerant networks. The topologies are also examined in terms of redundancy and the need to provide for single point, failure free (or better) system operation. Linear bus topology, although traditionally the method of choice for wire systems, presents implementation problems when larger fiber optic systems are considered. Ring topology works well for high speed systems when coupled with a token passing protocol, but it requires a significant increase in protocol complexity to manage system reconfiguration due to ring and node failures. Star topologies offer a natural fault tolerance, without added protocol complexity, while still providing high data throughput capability.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 19920005001.
Accession ID: 92N14219.
NASA. Lewis Research Center, Space Communications Technology Conference: Onboard Processing and Switching; p 153-159.
Terms of Use and Reproduction
No Copyright.
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