In this paper we describe a new class of tools for protecting computer systems from security attacks. Their distinguished feature is the principle they are based on. Host or netwo...
A quorum system is a collection of sets (quorums) every two of which intersect. Quorum systems have been used for many applications in the area of distributed systems, including mu...
The interesting properties of P2P systems (high availability despite peer volatility, support for heterogeneous architectures, high scalability, etc.) make them attractive for dist...
Large-scale, group-to-group collaboration is an emerging trend, yet has so far not received much attention. We performed an ethnographic study to examine how interaction and perce...
We developed a novel multipoint measurement system capable of acquiring video and sound at more than 100 points in a "synchronized" manner. In this paper, we first descr...