Patent ID: 7152238
Filing Date: 2006-12-19
Classification: H04L,H04W

Abstract:
1. In a Foreign Agent supporting Mobile IP, a method of sending a registration request packet on behalf of a node that supports PPP but does not support Mobile IP, comprising: accepting a call from the node; receiving authentication information associated with a PPP authentication protocol from the node, the authentication information enabling a PPP node to be authenticated; obtaining a PPP node profile associated with the authentication information, the PPP node profile including registration information associated with the node that enables proxy registration to be performed by the Foreign Agent on behalf of the node, the registration information associated with the node identifying a Home Agent associated with the node, the PPP node profile further identifying a key to be shared between the Home Agent and the Foreign Agent for use in authenticating communications between the Home Agent and the Foreign Agent and indicating a registration lifetime for the node; composing a registration request packet including the registration information associated with the node; and sending the registration request packet to the Home Agent on behalf of the node.