Abstract
Security and performance along with further properties such as reliability characterize the quality of the services provided by distributed systems. However, security mechanisms may degrade the system performance due to the security-related processing and the exchange of additional data. In this paper, we focus on the tradeoff between security and performance requirements in distributed systems and propose and analyze concepts to optimize the performance behaviour of secure group communication. The performance degradation caused by the security functions can be reduced when employing appropriate mechanisms. The optimization concepts presented in this paper refer to confidentiality and integrity mechanisms and base on the exploitation of the stochastic nature of message arrival processes.
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Biography
Vasilios Zorkadis received the ‘Diploma’ degree in electrical engineering in 1983 from the ‘Aristotle’ University, Thessaloniki, Greece. He carried out postgraduate studies in computer science (1984–1986) at the University Karlsruhe, Germany, and he received the Ph.D. degree (Dr. rer.nat.) from the same University in 1994.
He is currently Visiting Professor at the University of Ioannina, Greece. He spent several years in Munich as a Managing Director of TDS GmbH (1986–1989) and in Karlsruhe as a Visiting Researcher (1990–1995) at the FZI Research Center for Computer Science.
His research interests include various topics in computer networks. security, distributed systems, and mobile communication systems.
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© 1997 Springer Science+Business Media Dordrecht
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Zorkadis, V. (1997). Improving the Quality of Secure Distributed Systems. In: Gritzalis, D. (eds) Reliability, Quality and Safety of Software-Intensive Systems. IFIP — The International Federation for Information Processing. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-35097-4_15
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DOI: https://doi.org/10.1007/978-0-387-35097-4_15
Publisher Name: Springer, Boston, MA
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