Abstract
This paper reports the simulation of a self-healing fiber bus network for
the wavelength multiplexing of sensors. The network can recover service
after one or more failures by “dedicated line” or
“dedicated path” protection. We derive an easily implemented
analytical method to determine the surviving channels after multiple
failures and use it to explore the consequences of all double failures
throughout the network. Dedicated line protection is a versatile option to
provide full service recovery after many failure pairs. However, when it can
be afforded, dedicated path protection offers even better performance and we
list the failure pairs for which this is so. We also study the survival of
telemetry signaling after double failures and show that the large majority
of instances do not prevent its
functioning. The network is, therefore, very resilient.
© 2011 IEEE
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