Patent ID: 9277478
Filing Date: 2016-03-01
CPC Classification: H04L,H04W

Claim Text:
1. A network for enabling a hybrid route optimization between two mobile endpoints including a mobile node and a correspondent node, the network comprises: a home agent with which the mobile node is associated; a destination home agent with which the correspondent node is associated; a plurality of access routers anyone of which the mobile node is attached thereto; the home agent is configured to receive a first message sent by the mobile node, wherein the first message includes an Internet Protocol address of the correspondent node; the home agent is configured to use the Internet Protocol address to identify the destination home agent; the home agent is configured to send a second message to at least one of the access routers, wherein the second message includes information about the mobile node, the correspondent node, and the destination home agent; the at least one of the access routers is configured to send a third message to the destination home agent, wherein the third message subscribes the at least one of the access routers at the destination home agent for a presence notification service in which the destination home agent is to update the at least one of the access routers about a care-of address of the correspondent node whenever the correspondent node sends the care-of address to the destination home agent; the destination home agent is configured to send a fourth message to the at least one of the access routers, wherein the fourth message identifies the care-of address of the correspondent node; and one of the at least one of the access routers which is configured to receive the fourth message and is attached to the mobile node is further configured to send a fifth message to the mobile node, wherein the fifth message includes the care-of address of the correspondent node which enables a re-direction of data traffic between the mobile node and the correspondent node.