Optical connection hitless bandwidth or spectrum resizing
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United States of America Patent
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Sep 1, 2015
Grant Date -
Feb 13, 2014
app pub date -
Dec 19, 2012
filing date -
Aug 10, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A method and system are disclosed in which a signaling message conforming to a GMPLS signaling protocol and associated with an optical connection is generated and transmitted by a transmit node to a receive node to change the size of a connection bandwidth in a network. The message may include information indicative of a number of spectral portions which correspond to frequencies of selected ones of the plurality of optical signals, selected ones of the plurality of optical signals being available to carry data from the transmit node to the receive node; and information indicative of a change in the number of selected ones of the plurality of optical signals. The transmit node may resize the connection while data traffic continues to be transmitted over the connection in the Optical Transport Network without service disruption to the client attached to the connection being resized.
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