DOI: 10.17586/2226-1494-2016-16-1-115-121


CHOICE OF OPTION FOR IMPLEMENTATION OF THE MULTILEVEL SECURE ACCESS TO THE EXTERNAL NETWORK

V. S. Kolomoitcev


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Article in Russian

For citation: Kolomoitcev V.S. Choice of option for implementation of the multilevel secure access to the external network. Scientific and Technical Journal of Information Technologies, Mechanics and Optics, 2016, vol. 16, no. 1, pp. 115–121.

Abstract

We study the optimal way for design of access scheme called "Direct Connection. This scheme provides a secure access to external network resources, and consists of several groups of routers and two kinds of firewalls. The scheme is considered in view of the fact that the system has got common areas of removing threats in the channel for different means of protection. Parameters of average residence time of request in the system and its reliability were obtained for each variant of access scheme. Based on the results, comparison of the ways of design for access scheme was carried out between themselves and with the standard access scheme (with onefirewall). It was found out that design of access scheme with a single group of routers for the whole system has better performance and reliability than the other variants of "Direct Connection" access scheme.


Keywords: fault tolerance, firewalls, network organization, information security, optimization, information protection, reliability, network performance, access schemes, unauthorized access

Acknowledgements. I would like to express my gratitude to V.A. Bogatyrev for his assistance during the study.

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