Extensible systems, such as Java or the SPIN extensible operating system, allow for units of code, or extensions, to be added to a running system in almost arbitrary fashion. Exte...
Abstract Within the traditional telephone system a certain level of quality and security has been established over the years. If we try to use IP Telephony systems as a core part o...
Ralf Ackermann, Markus Schumacher, Utz Roedig, Ral...
This paper introduces Hydra, a platform that we are developing for highly survivable and secure data storage systems that distribute information over networks and adapt timely to ...
Accountability mechanisms, which rely on after-the-fact verification, are an attractive means to enforce authorization policies. In this paper, we describe an operational model of ...
Radha Jagadeesan, Alan Jeffrey, Corin Pitcher, Jam...
As increasing amounts of valuable information are produced and persist digitally, the ability to determine the origin of data becomes important. In science, medicine, commerce, an...