Transport network and method
First Claim
Patent Images
1. A transport element, comprising:
- a port group comprising a plurality of geographically distributed ports;
point-to-multipoint connectivity between the ports;
an identifier operable to represent the port group as a single element to disparate elements and associated with a single IP address;
a primary processor operable to generate routing information for the transport element and to distribute the routing information to the ports in the port group for traffic processing, the routing information comprising a routing information base (RIB); and
a secondary processor for each port in the port group, the secondary processor operable to receive the RIB from the primary processor and to generate a forwarding information base (FIB) for the port based on the RIB.
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Abstract
A transport network includes a flexible topology for internally defining transport elements. The transport elements each include a port group having a plurality of geographically distributed ports from the transport network. Point-to-multipoint connectivity is defined between the ports in a port group. An identifier represents the port group as a single element to internal and/or external elements for protocol exchanges.
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Citations
28 Claims
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1. A transport element, comprising:
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a port group comprising a plurality of geographically distributed ports; point-to-multipoint connectivity between the ports; an identifier operable to represent the port group as a single element to disparate elements and associated with a single IP address; a primary processor operable to generate routing information for the transport element and to distribute the routing information to the ports in the port group for traffic processing, the routing information comprising a routing information base (RIB); and a secondary processor for each port in the port group, the secondary processor operable to receive the RIB from the primary processor and to generate a forwarding information base (FIB) for the port based on the RIB. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 28)
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13. A transport network, comprising:
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a plurality of geographically distributed nodes; each node including a plurality of ports; a plurality of transport elements, each transport element including a port group having a plurality of ports from the geographically distributed nodes and associated with a single IP address, each transport element comprising; a primary processor operable to generate routing information for the transport element and to distribute the routing information to the ports in the port group for traffic processing, the routing information comprising a routing information base (RIB); and a secondary processor for each port in the port group, the secondary processor operable to receive the RIB from the primary processor and to generate a forwarding information base (FIB) for the port based on the RIB; point-to-multipoint connectivity between the ports of the port groups of the transport elements; and each transport element unaware of topologies of the other transport elements in the transport network. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. A method for provisioning a transport element in a transport network, comprising:
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defining at least one port group in the transport network, the port group comprising a plurality of ports from geographically distributed nodes of the transport network; defining point-to-multipoint connectivity between the ports in the port group; representing the port group as a single entity to an external network and associated with a single IP address; and defining the transport element in a transport network including a plurality of transport elements, the transport element unaware of topologies of the other transport elements in the transport network, the transport element comprising; a primary processor operable to generate routing information for the transport element and to distribute the routing information to the ports in the port group for traffic processing, the routing information comprising a routing information base (RIB); and a secondary processor for each port in the port group, the secondary processor operable to receive the RIB from the primary processor and to generate a forwarding information base (FIB) for the port based on the RIB. - View Dependent Claims (24, 25, 26, 27)
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Specification