Method and apparatus for initiating routing messages in a communication network
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United States of America Patent
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Feb 20, 2018
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app pub date -
Jun 7, 2016
filing date -
Feb 25, 2004
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Abstract
Switches within a telecommunications network exchange so-called available bandwidth messages, each of which advertises how much bandwidth remains unassigned on a respective link. The network is of a type in which circuits are provisioned with various predefined numbers of time slots (equivalent to bandwidth). The sending of an available bandwidth message for a given link is triggered by a change in the number of time slots available on that link if that change results in a change in the number of circuit bandwidths that can be accommodated by that link for a newly provisioned circuit.
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