Voice over IP (VoIP) and Instant Messaging (IM) systems to date have either followed a client-server model or have required the use of clients that do not follow any VoIP or IM st...
In this paper we introduce Social VPNs, a novel system architecture which leverages existing social networking infrastructures to enable ad-hoc VPNs which are self-configuring, s...
Renato J. O. Figueiredo, P. Oscar Boykin, Pierre S...
— Recently, there has been increased interest, shown by the research community and by industry fora, to enable emergency services for voice-over-IP based architectures. In order ...
Hannes Tschofenig, Henning Schulzrinne, Murugaraj ...
This paper introduces a novel access control architecture for publicly accessible, wireless networks. The architecture was designed to address the requirements obtained from a case...
Stefan Schmid, Joe Finney, Maomao Wu, Adrian Frida...
We are facing a growing user demand for ubiquitous Internet access. As a result, network ports and wireless LANs are becoming common in public spaces inside buildings such as loung...