Patent ID: 8185935
Filing Date: 2012-05-22
Classification: H04L,H04W

Abstract:
1. A method for dynamic home address assignment in communication systems, the method comprising: sending a key authorization request from a mobile device to a network device to request a tunnel inner address; assigning a temporary address to the mobile device; sending the temporary address to the mobile device; creating a security policy database for the mobile device with a policy to disallow packets destined for the temporary address; sending agent advertisements from a foreign agent to the mobile device in response to the key authorization request; sending a registration request from the mobile device to the foreign agent; modifying the security policy database using information contained in the registration request; assigning a home address to the mobile device, wherein the home address is received from a home agent; and modifying the security policy database to delete previous selectors and to include only the home address as a selector.