Liem Le

Internet protocol mobility architecture framework

Unified directory services architecture for an IP mobility architecture framework

System and method for route optimization in a wireless internet protocol network

Public telephone network, intelligent network, and internet protocol network services interworking

Computer program products, methods, and protocol for interworking services between a public telephone network, intelligent network, and internet protocol network

Method and system for switching between two network access technologies without interrupting active network applications

Reduced overhead tunneling techniques in a communications network having mobile foreign agents

Switching method between network access techniques

Verfahren und Vorrichtung zur Umschaltung zwischen zwei Netzwerkzugangstechnologien ohne Unterbrechung der aktiven Netzwerkanwendungen Method and apparatus for switching between two network access technologies without interrupting active network applications

System and method for optimizing a route in a wireless network protocol for Internet