Method and apparatus including a mobility server enables secure connectivity using
standards-based Virtual Private Network (VPN) IPSEC algorithms in a mobile and intermit …

(57) ABSTRACT A seamless Solution transparently addresses the character istics of
nomadic systems, and enables existing network applications to run reliably in mobile …

Disclosed is a method and apparatus for automatically backing up a Home Agent in Mobile
IP. The method employs important components of the widely-used Hot Standby Router …

5,218,600 A 6/1993 Schenkyr et al. Methods and apparatus for implementing a Home Agent
5,371.852 A 12/1994 Atanasio et al. Supporting Mobile IP and being capable of allocating …

Methods and apparatus for aggregating IP packets over an access link between a wireless
access router and a core node and for managing resource allocation to access link packet …

(65) Prior Publication Data(57) ABSTRACT US 2007/OO38759 A1 Feb. 15, 2007 A
seamless Solution transparently addresses the characteris Related US Application Data tics …

Session signaling register message transmission methods and apparatus well suited for use
in a communication system which supports mobile nodes capable of moving between …

US. PATENT DOCUMENTS 5,602,843 A 2/1997 Gray 5,602,916 A 2/1997 Grube et a1.
4,837,800 A 6/1989 Freeburg et 91- 5,610,595 A 3/1997 Garrabrant et a1. 4,893,327 A …

An apparatus and method is provided for transparent com munication between a remote or
mobile device and a fixed communication host network. The apparatus and method may …

US6496842B1 - Navigating heirarchically organized information - Google Patents
US6496842B1 - Navigating heirarchically organized information - Google Patents Navigating …