This paper provides an overview on a German lighthouse research project called L3 in the area of e-learning systems that supply e-learning services via a virtual private network. ...
Context-awareness has become a desired key feature of today’s mobile systems, yet, its realization still remains a challenge. On the one hand, mobile computing provides great po...
Lukasz Juszczyk, Harald Psaier, Atif Manzoor, Scha...
The ability to classify packets according to pre-defined rules is critical to providing many sophisticated value-added services, such as security, QoS, load balancing, traffic acco...
Existing applications often contain security holes that are not patched until after the system has already been compromised. Even when software updates are available, applying the...
We have designed and deployed a system that uses X.509 public-key certificates (PKC) and attribute certificates (AC) for access control. This includes an authorization service for...