Routing Protection Scheme For Redundancy In Fiber Communication Systems

D. Werthman; M. Corke; P. Fitzgerald

doi:10.1117/12.963426

15 January 1990 Routing Protection Scheme For Redundancy In Fiber Communication Systems

D. Werthman, M. Corke, P. Fitzgerald

Proceedings Volume 1179, Fiber Networking and Telecommunications; (1990) https://doi.org/10.1117/12.963426
Event: OE/FIBERS '89, 1989, Boston, United States

Abstract

Redundancy in communication systems is vital for providing customer satisfaction and a cost effective network. If a line is cut in present systems, the traffic on that line must be routed to other channels while an emergency repair is made. If the operating company cannot provide the bandwidth to satisfy this rerouting, it must rent information capacity from its competitors. Presently, fiber is being installed in the metropolitan and subscriber loop networks, and consideration is being taken to provide redundancy in network reconfiguration to reduce fiber breakage problems. In a full duplex communication network, individual optical waveguides are utilized for transmission and reception of signals. Figure 1 illustrates a typical metropolitan network link from office to office. If a cable is severed by accident during construction work, discontinuity of service would result. When there are thousands of premium-paying customers at the other end of that cable, this situation can achieve crisis level immediately. In this paper details of a route protection or diversification scheme will be presented that will incorporate an intelligent fiber optic system that will automatically detect a cable fault and switch traffic to redundant fiber cables.

Citation Download Citation

D. Werthman, M. Corke, and P. Fitzgerald "Routing Protection Scheme For Redundancy In Fiber Communication Systems", Proc. SPIE 1179, Fiber Networking and Telecommunications, (15 January 1990); https://doi.org/10.1117/12.963426

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KEYWORDS

Networks

Telecommunications

Switches

Receivers

Fiber optics

Intelligence systems

Transmitters

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