Method for route optimization with dual mobile IPv4 node in...

Multiplex communications – Pathfinding or routing – Switching a message which includes an address header

Reexamination Certificate

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C370S310000, C370S238000, C370S229000, C370S248000

Reexamination Certificate

active

07899055

ABSTRACT:
A method for route optimization with a dual mobile IPv4 node in an IPv6-only network is provided. The method includes the operations of: receiving a visited IPv6 address from a router when the dual mobile node is connected to the IPv6-only network; updating a home agent with the IPv6 address; deregistering a binding update with a correspondent node via the home agent; updating the correspondent node with an IPv6 address; checking the reachability of packets directly to the correspondent node using its IPv6 address; the mobile node starting sending, to the CN, data packets tunneled in an IPv6 packet once the reachability is verified; and the correspondent node sending tunneled data packets directly to an IPv6 address of the mobile node.

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