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Abstract This paper discusses important shortcomings of current approaches to systems security engineering. The value and limitations of perimeter security designs are examined. An architectural approach to systems security engineering is introduced as a complementary means for strengthening current approaches. Accordingly, this paper outlines a methodology to identify classes of new reusable system security solutions and an architectural framework based on reuse of the patterns of solutions. It also introduces a new methodology for security metrics intended to stimulate critical solution design tradeoff analyses as part of security design reuse considerations. Examples of problems, potential architectural solutions, and corresponding security metrics are provided. © 2011 Wiley Periodicals, Inc. Syst Eng
Bayuk et al. (Wed,) studied this question.