Importance

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Abstract

The present invention relates to allocating the use of optical light-trails. Optical light-trails enable a plurality of nodes included in a light-trail to share the use of an optical wavelength to transmit traffic between the nodes included in the light-trail. A method for allocating the use of an optical light-trail includes calculating a bid at each of one or more nodes included in the light-trail. Each of the nodes calculates a bid with consideration for the criticality of the node's need to transmit particular traffic on the light-trail. The method also includes transmitting the calculated bids from one or more of the nodes to an arbiter node. The arbiter node determines the maximum received bid, determines whether to allocate the use of the light-trail to the node associated with the maximum bid, and then communicates one or more control messages to the nodes that transmitted the bids indicating to which node use of the light-trail is allocated.

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First Claim