To cope with the various problems arising from Internet protocol such as scarcity of IP addresses in the Internet and increase in the number of paths, research and development has...
The 3rd generation partnership project (3GPP) and 3GPP2 have standardized the IP multimedia subsystem (IMS) to provide ubiquitous and access network independent IP-based services ...
The big challenge related to the contemporary research on ubiquitous and pervasive computing is that of seamless integration. For the next generation of ubiquitous and distributed...
In this research article we discuss the protocols, architecture and propose the design of Network Domain Security (NDS) model for IP Multimedia Subsystem (IMS). The IMS is standard...
Ubiquitous environments facilitate the collection of information pieces from sensors, databases, or mobile devices in order to compose the context of entities like users, places, o...