Method and Apparatus for Providing a Distributed Forwarding Plane for a Mobility Home Agent
First Claim
1. A method for controlling packet routing for a mobile node in a network comprising a network domain, the network domain comprising a plurality of forwarding elements and a control element, the method comprising:
- computing, for one of the forwarding elements, a route from the one of the forwarding elements toward the mobile node, wherein the route entry is computed using location information associated with the mobile node and routing information associated with the network domain; and
propagating the computed route toward the one of the forwarding elements of the network domain.
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Abstract
The invention includes a method and apparatus for providing a distributed forwarding plane for a mobility home agent. The invention provides a method for controlling routing of packets for a mobile node in a network comprising a network domain including a plurality of forwarding elements being controlled by a control element. A method includes computing a route from one of the forwarding elements toward the mobile node and propagating the computed route toward that one of the forwarding elements. The route is computed using location information associated with the mobile node and routing information associated with the network domain.
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Citations
20 Claims
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1. A method for controlling packet routing for a mobile node in a network comprising a network domain, the network domain comprising a plurality of forwarding elements and a control element, the method comprising:
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computing, for one of the forwarding elements, a route from the one of the forwarding elements toward the mobile node, wherein the route entry is computed using location information associated with the mobile node and routing information associated with the network domain; and propagating the computed route toward the one of the forwarding elements of the network domain. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An apparatus for controlling packet routing for a mobile node in a network comprising a network domain, the domain comprising a plurality of forwarding elements and a control element, the apparatus comprising:
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means for computing, for one of the forwarding elements, a route from the one of the forwarding elements toward the mobile node, wherein the route entry is computed using location information associated with the mobile node and routing information associated with the network domain; and means for propagating the computed route toward the one of the forwarding elements of the network domain. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A method for controlling packet routing for a mobile node in a network comprising a network domain including a plurality of forwarding elements being controlled by a control element, comprising:
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receiving, at one of the forwarding elements, from the control element, a route entry associated with the mobile node, wherein the route entry comprises a route computed using location information associated with the mobile node and routing information associated with the network domain; and storing the received route entry associated with the mobile node. - View Dependent Claims (18, 19)
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20. A method for routing packets from a host device to a mobile node in a mobile network, comprising:
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receiving, from the host device, a packet intended for the mobile node, wherein the packet is received at a packet forwarding element of a network domain controlled by a control element; determining a next-hop node for the packet by searching a routing/forwarding table for an entry associated with the mobile node; and propagating the packet toward the next-hop node, wherein the next-hop node is associated with a path that does not include a mobility home agent associated with the mobile node.
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Specification