Patent ID: 8432924
Filing Date: 2013-04-30
Classification: H04L,H04W

Abstract:
1. A routing optimization method, comprising: querying for a domain name of a correspondent node according to a home address of the correspondent node; confirming, according to the home address of the correspondent node and the domain name, that a home agent address corresponding to the home address and the domain name of the correspondent node exists; obtaining the home agent address of the correspondent node; obtaining a proxy mobile agent (PMA) address of the correspondent node from interaction with the home agent of the correspondent node; establishing a routing optimization proxy binding relationship between a PMA of a mobile node and the PMA of the correspondent node or between the PMA of the mobile node and the correspondent node; and controlling, by the PMA of the mobile node, according to the established routing optimization proxy binding relationship, routing of a message to be transmitted; wherein before establishing the routing optimization proxy binding relationship between the PMA of the mobile node and the correspondent node, the method further comprises: generating, by the PMA of the mobile node, a first token; and transmitting to the correspondent node a home test initial message and a care-of test initial message carrying the first token respectively; detecting, by the correspondent node, whether the first token carried in the home test initial message is identical with the first token carried in the care-of test initial message; and generating a second token if the first token carried in the home test initial message is determined to be identical with the first token carried in the care-of test initial message; and transmitting to the PMA of the mobile node, the home test message and the care-of test message carrying the second token respectively; and receiving, by the PMA of the mobile node, the home test message and the care-of test message from the correspondent node, and determining whether the second token carried in the home test message is identical with the second token carried in the care-of test message; and confirming that the home address of the correspondent node is routable if the second token carried in the home test message is determined to be identical with the second token carried in the care-of test message; generating, by both the PMA of the mobile node and the correspondent node, a proxy binding management key.