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Voice over Internet Protocol (VoIP) service has been a very popular and important application over the Internet. Wireless VoIP also becomes more and more popular due to its features of low cost and convenience. Recently, wireless mesh network has been considered as a good solution for VoIP services since it is easy to deploy and provides a larger area coverage. However, the security and performance...
In this paper we invent a new architecture for intelligent agent pre-authentication and apply it to seamless handover of VoIP services in integrated WLAN/cellular networks. On the other hand, we incorporate agent-based key distribution into EAP-SIM based AAA protocols for WLAN. Our goal is minimizing the probability of SIP calls blocking resulting from handoff delay. This paper improves the performance...
An essential feature of new generation networks is the availability of many new services offered by several different players. Often, in this scenario, different applications and services have their own authentication method and use different credentials. More reliable, flexible and easy-to-use methods are needed. We separate the recovery of application-specific credentials, hosted in the network,...
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