Optical communications – Multiplex – Optical switching
Reexamination Certificate
2008-01-01
2008-01-01
Sedighian, M. R. (Department: 2613)
Optical communications
Multiplex
Optical switching
C398S047000, C398S049000
Reexamination Certificate
active
07315693
ABSTRACT:
An architecture and method for performing dynamic route discovery and variable time slot reservation provisioning within optical-switched networks. The method employs extensions to the RSVP-TE signaling protocol, which uses various messages to reserve network resources. Under an overlay routing embodiment, network resources are reserved via a resource reservation message that is sent hop-by-hop between switching nodes, wherein the next hops are dynamically selected based on routing tree tables in the switching nodes. The concatenation of hops forms the route for the reserved lightpath. The resource reservation request is passed between nodes defined by a dynamically routed path, and resource availability is confirmed for the entire lightpath prior to confirming the resource reservations.
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Maciocco Christian
Ovadia Shlomo
Blakely , Sokoloff, Taylor & Zafman LLP
Intel Corporation
Sedighian M. R.
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