Performability modelling of a Kerberos server with frequent key renewal under pseudo-secure conditions for increased security.

Ever, Enver and Kirsal, Yoney and Gemikonakli, Orhan (2009) Performability modelling of a Kerberos server with frequent key renewal under pseudo-secure conditions for increased security. In: 2009 International Conference on the Current Trends in Information Technology (CTIT 2009). IEEE. ISBN 9781424457540

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Abstract

This paper presents a modelling approach for
performability evaluation of Kerberos servers which
dynamically renew keys under pseudo-secure
conditions in order to significantly reduce the chances
of potential intruders. Since the proposed approach
involves temporary interruption to link/server access,
it has implications in terms of performance
degradation. An analytical method is used to evaluate
the cost in terms of the degradation of system
performance. Unlike previous studies, the failures of
the servers are considered together with link/server
interruptions for renewals. Therefore the model
presented considers the system for exact performability
evaluation. Numerical results are provided in order to
analyse the effects of renewal times, times between
renewals and failures ofthe server.

Item Type: Book Section
Additional Information: Conference held on 15 - 16 December, 2009 in Dubai, UAE.
Research Areas: A. > School of Science and Technology > Computer and Communications Engineering
A. > School of Science and Technology > Computer Science > SensoLab group
Item ID: 6949
Useful Links:
Depositing User: Dr. Enver Ever
Date Deposited: 01 Feb 2011 12:54
Last Modified: 18 Mar 2015 15:43
URI: http://eprints.mdx.ac.uk/id/eprint/6949

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