Maintaining information to optimize restorable dynamic routing with shared backup
First Claim
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1. A method for use in a network element of a packet-based network, the method comprising the steps of:
- storing failure information associated with the packet-based network and usage information for a backup resource;
upon receipt of a new demand, determining if the backup resource is shareable as a function of the failure information and the usage information.
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Abstract
A network element maintains failure information for a packet-based network and usage information for a backup path. Upon receipt of a new demand, with an associated bandwidth, d, the network element determines if the backup path can be shared as a function of the failure information and the usage information associated with the backup path.
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Citations
11 Claims
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1. A method for use in a network element of a packet-based network, the method comprising the steps of:
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storing failure information associated with the packet-based network and usage information for a backup resource;
upon receipt of a new demand, determining if the backup resource is shareable as a function of the failure information and the usage information. - View Dependent Claims (2, 3, 4)
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5. A network element for use in a packet-based network, the network element comprising:
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a memory for storing failure information associated with the packet-based network and usage information for a backup resource; and
a processor, responsive to receipt of a new demand, for determining if the backup resource is shareable as a function of the failure information and the usage information. - View Dependent Claims (6, 7, 8)
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9. A network element for use in a packet-based network, the network element comprising:
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a memory for storing failure information associated with a number of links of the packet-based network;
a communications interface for coupling to a link that is a part of a backup path; and
a processor, responsive to receipt of a new demand, for determining if the backup path is shareable with the new demand as a function of the failure information and usage information associated with the backup path. - View Dependent Claims (10, 11)
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Specification