Method and system to recover resources in the event of data burst loss within WDM-based optical-switched networks

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20050063701A1
SERIAL NO

10668874

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A mechanism for recovering reserved resources in a wavelength-division-mul-tiplexed based photonic burst switched (PBS) network in response to resource non-availability. The PBS network includes edge and switching nodes, which optically communicate information formatted into PBS control and data burst frames. Each PBS data burst frame is associated with a PBS control burst frame. A PBS control burst is sent to reserve resources along a lightpath comprising a concatenation of lightpath segments linked between in ingress edge nodes, switching nodes and egress edge nodes. During a subsequent data burst, an unavailable resource is detected at one of the switching nodes. In response, a resource cancellation message (RCM) comprising a control burst is sent to upstream and/or downstream nodes along the lightpath. Upon receiving the RCM, the corresponding resource reservation is cancelled, freeing the network resources for subsequent bandwidth reservations and access.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
INTEL CORPORATIONSANTA CLARA, CA29226

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Maciocco, Christian Tigard, OR 81 1033
Ovadia, Shlomo San Jose, CA 49 1224

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