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
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Conference held on 15 - 16 December, 2009 in Dubai, UAE.

Research Areas:Middlesex University Schools and Centres > School of Science and Technology > Computer and Communications Engineering
Middlesex University Schools and Centres > School of Science and Technology > Computer Science > SensoLab group
ID Code:6949
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Deposited On:01 Feb 2011 12:54
Last Modified:24 Oct 2014 15:33

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