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Model of coordination for multilayer protection switching

Authors: Joseph Kroculick; Cynthia Hood;

Model of coordination for multilayer protection switching

Abstract

Networks add recovery to deliver reliable service between a source and destination. Reliable service is an uninterrupted data transfer between nodes, even if certain links or nodes are faulty. Recovery processes in multilayer networks might operate at the same time when faults propagate between layers during a common-cause failure. We propose an architectural model, that represents point-to-point networks as a grid, where the decisions of recovery can be represented as the replacement of ports. Since a connection is a path through the grid, we can easily determine if multiple connections are repaired. Repairing connections is the goal of multilayer recovery, even if they are repaired at different layers. Since the operations of recovery are the result of preplanned provisioning, a model-checking algorithm could be implemented to check for conflicts in the provisioning. As a first step, this paper decouples the protocols for implementing the actions of recovery from an actual resource-based model. Therefore, no signaling between nodes is treated. Since the provisioning of recovery processes will create decisions of recovery after a catastrophic common-cause failure, we can map the configurations that satisfy goals into provisioning commands sent to recovery processes.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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Average
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