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IFIP Advances in Information and Communication Technology
For many years the traditional concept of the reference monitor has proven to be a sound architectural foundation for secure computer systems. However, with the advent of distributed systems and multiple, user-defined application-specific security policies the limitations of reference monitors become more and more obvious. Recently, two concepts have been proposed that aim at supporting user-defined security policies in a distributed multipolicy environment. This paper is a comparative study ofdoi:10.1007/978-0-387-34873-5_32 fatcat:7cvyijhuibaxpoqdk46u656nty