Genband US LLC

Adva Optical Networking Se

Lawrence T Dillard, Iii

Matthew Christopher Perry

David Fox

James Erwin Ludwig

Neil Grayson

A monitoring apparatus for detecting uncharacteristic short-term power level changes of an optical signal transmitted through an optical fiber, said monitoring apparatus comprising a power level variance calculation unit adapted to calculate a power level variance on the basis of a long-term power level and a current power level of said optical signal and a short-term variance filter adapted to filter transient changes indicated by the calculated power level variance and to generate a trouble occurrence indication indicating an uncharacteristic short-term power level change, if the filtered power level variance exceeds a predetermined power level variance.

Method and apparatus for detecting uncharacteristic power level changes of an optical signal

A system, method, and computer-readable medium for resource migration in a distributed telecommunication system is provided. Respective sets of performance parameters of a first plurality of nodes disposed in a first node group and a second plurality of nodes in a second node group are collected. Service capabilities of the first node group and the second node group are evaluated based on the sets of performance parameters. One node group of the first node group and the second node group is designated as a currently preferred node group in response to evaluation of the service capabilities. The steps of collecting, evaluating, and designating are repeated a plurality of times. The currently preferred node group is designated as an active preferred node group in the event that a sequence of evaluating service capabilities each results in the one node group being designated as the currently preferred node group.

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McKinney, TX, United States of America

Lawrence T Dillard, Iii