"June 1999"

Thesis advisor(s): John C. McEachen, Dan C. Boger

Thesis (M.S. in Systems Technology) Naval Postgraduate School, June 1999

Includes bibliographical references (p. 84)

This thesis conducts a performance simulation of Asynchronous Transfer Mode (ATM) and Kerberos security solutions. Specifically the study will build a working modeling framework of the Kerberos security service and the CeilCase ATM encryption service. The model will be used to look at how these services will affect throughput by inserting waiting times in a series of queues in a small sized network. The algorithms for calculating cryptographic delay are then inserted in an OPNET model and examined against a control model for validation. These models assume a linear relationship between the cryptographic service time and the throughput. Further relationships between service time and throughput are suggested for use in other security systems. This thesis concludes that the modeling framework presented is viable for creating higher fidelity performance simulations of network security services. Further, this thesis suggests model validation directions for future research

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US Army (USA) author

dk/dk cc:9116 07/30/99

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