Patent ID: 8625483
Filing Date: 2014-01-07
Classification: H04L,H04W

Abstract:
1. A method for packet switched data transmission in a local network, the local network comprising a mobile node and a plurality of interconnected connection anchor points, each with a link at which the mobile node can attach, the method comprising the steps of: detecting by a second connection anchor point a movement of the mobile node from a first connection anchor point to the second connection anchor point, the mobile node having an address configured with an advertised prefix from the first connection anchor point and communicating via a tunneled connection between the first and second connection anchor points; maintaining the tunneled connection between the second connection anchor point and the first connection anchor point; receiving by the second connection anchor point a router advertisement including the advertised prefix being sent from the first connection anchor point; and sending by the second connection anchor point a first message to the mobile node, the first message including the advertised prefix from the first connection anchor point, wherein: the first message is the router advertisement.