Abstract: Die Globalisierung wirtschaftlicher Aktivitäten schreitet weiter voran. Nicht nur Produkte, sondern auch Dienstleistungen werden mittlerweile auf internationalen Märkten angeboten. Unternehmen tätigen ihre Beschaffungen weltweit, wozu auch die Attraktion qualifizierter Mitarbeiter...

In distributed systems users often need to share sensitive data with other usersbased on the latter's ability to satisfy various policies. In many cases the data ownermay not even know the identities of the data recipients, but deems it crucial that theyare legitimate; i.e., satisfy the policy....

Internet traffic often exhibits a structure with rich high-order statistical properties like self-similarity and long-range dependency (LRD). This greatly complicates the problem of server performance modeling and optimization. On the other hand, popularity of Internet has created numerous...