Defragmentation of optical networks
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United States of America Patent
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Jul 14, 2015
Grant Date -
Oct 17, 2013
app pub date -
Apr 12, 2012
filing date -
Apr 12, 2012
priority date (Note) -
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Abstract
According to an aspect of an embodiment, a method of spectrum defragmentation in an optical network may include assigning an optical signal within an optical network to a first frequency slot that spans a first portion of an optical spectrum of the optical network. The method may also include constructing a frequency slot dependency map based on the assignation of the optical signal to the frequency slot. The method may also include reassigning, as a result of an optical signal departure event, the optical signal to a second frequency slot based on the frequency slot dependency map. The second frequency slot may span a second portion of the optical spectrum of the optical network.
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