Patent ID: 8547902
Filing Date: 2013-10-01
Classification: H04L,H04W

Abstract:
1. A method for enabling mobility of a mobile node in a communication network, comprising: determining by a network server whether the mobile node is present within an area serviced by a home access point of the mobile node or is present within an area serviced by a first access point, wherein a first virtual private network tunnel is pre-provisioned between the network server that performs address maintenance and translation and the first access point, wherein a second virtual private network tunnel is pre-provisioned between the network server and a home access point; and routing by the network server a packet to the mobile node via the first virtual private network tunnel to the first access point when it is determined that the mobile node is present within the first access point, wherein the determining by the network server whether the mobile node is present within the area serviced by the first access point comprises receiving a registration message from the first access point, where the registration message indicates that the mobile node is present in the area serviced by the first access point, wherein the registration message is received whenever the mobile node enters a new access point, or routing by the network server a packet to the mobile node via the second virtual private network tunnel to the home access point when it is determined that the mobile node is present within the home access point, wherein the first virtual private network tunnel is a different virtual private network tunnel from the second virtual private network tunnel, wherein the mobile node maintains a same internet protocol address for communicating with the communication network regardless of whether the mobile node is present within the area serviced by the first access point or the area serviced by the home access point.