Patent ID: 6915345
Filing Date: 2005-07-05
Classification: H04L,H04W

Abstract:
1. The method of establishing a connection for a mobile node on a communication system having a home network for the mobile node and at least one foreign network comprising the steps of: receiving a registration request message at a foreign network Authentication, Authorization, Accounting server; transmitting a request to an Authentication, Authorization, Accounting broker server to obtain service level agreement information to establish a secure connection between the foreign and home networks; receiving at the foreign network Authentication, Authorization, Accounting server a response transmitted from the Authentication, Authorization, Accounting broker server containing service level agreement information stored on the Authentication, Authorization, Accounting broker server, wherein the response transmitted from the Authentication, Authorization, Accounting broker server contains the Internet Protocol address of the home network to which the request should be directly forwarded and one or more instances of a first value to indicate that one or more different host networks can be contacted.