Patent ID: 9414218
Filing Date: 2016-08-09
CPC Classification: H04W

Claim Text:
1. A location management method comprising: a mobile node transmitting a binding update request to a mobility anchor in a network; the mobility anchor, in response to receiving the binding update request, storing a binding with the mobile node in the mobility anchor to thereby register the mobile node at the mobility anchor; a first server receiving a discovery request message from a second server, wherein the second server manages location of the mobile node, the discovery request message comprises an identity of the mobile node registered at the mobility anchor, and the first server and the mobility anchor belong to the same home network and proactively synchronize their binding caches; the first server, using the identity of the mobile node, identifying the mobility anchor, which stores the binding with the mobile node, as an already selected mobility anchor for the mobile node; and the first server responding to the second server with a response message comprising an IP address of the already selected mobility anchor.