METHOD AND APPARATUS FOR CROSS-STRATUM PATH COMPUTATION IN A NETWORK
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United States of America Patent
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Issued Date -
Jun 25, 2015
app pub date -
Dec 22, 2014
filing date -
Dec 23, 2013
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Abstract
The method comprising receiving, an ALTO server at a network layer, a request from an ALTO client at an application layer to obtain network cost for a connection; computing, the cost information concerning PIDs stored in the ALTO server and adapting, by a request controller, the computed cost information to an ALTO information further sending it to the ALTO server and the latter to said ALTO client; receiving, by a provisioning server, a request from a provisioning client to compute a path for setting up a connection between said PIDs and transmitting said request to a provisioning controller; mapping, the provisioning controller, said received request from the provisioning server into network addresses and computing said path according to said network addresses; and comparing, a network cost of the computed path with a cost information previously stored by the request controller in a request database.
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