Fundamentals of queueing theory (2nd ed.).
Fundamentals of queueing theory (2nd ed.).
Application-layer mobility using SIP
ACM SIGMOBILE Mobile Computing and Communications Review
PERCOM '04 Proceedings of the Second IEEE International Conference on Pervasive Computing and Communications (PerCom'04)
On performance analysis of challenge/response based authentication in wireless networks
Computer Networks and ISDN Systems
Analysis of handoff in a location-aware vertical multi-access network
Computer Networks: The International Journal of Computer and Telecommunications Networking - Wireless IP through integration of wireless LAN and cellular networks
Analysis of SIP-based mobility management in 4G wireless networks
Computer Communications
End-to-end security and seamless handover solution for real-time communications over 3G networks
Proceedings of the 5th ACM symposium on QoS and security for wireless and mobile networks
Secure and seamless handover solution for real-time applications
IMSAA'09 Proceedings of the 3rd IEEE international conference on Internet multimedia services architecture and applications
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The main idea of the third generation (3G) networks is to merge two of the most important communications systems: Cellular networks and Internet. The IP Multimedia Subsystem was defined by 3GPP as the key element in the 3G architecture that makes it possible to provide ubiquitous cellular access to all the services provided by the Internet. In this scenario a secure mobile service becomes an important issue. Considering that Mobile IPv6 and SIP are key technologies for mobility management and provision of services in IMS respectively, this article shows the impact of different security levels and types of mobility using as security performance parameters the average authentication cost and the average authentication delay and suggests a method where the user can choose the security level as a function of the distance to the IMS Home domain and IMS CN (Correspondent Node) Terminal.