International Journal of Network Security & Its Applications (IJNSA) - ERA, WJCI Indexed
ISSN: 0974 - 9330 (Online); 0975 - 2307 (Print)
Webpage URL: https://airccse.org/journal/ijnsa.html
Metric for Evaluating Availability of an Information System : A Quantitative Approach Based on Component Dependency
Suhail Qadir Mir1 and S.M.K. Quadri2, 1University of Kashmir, India and 2Jamia Millia Islamia, India
Abstract
The purpose of the paper is to present a metric for availability based on the design of the information system. The availability metric proposed in this paper is twofold, based on the operating program and network delay metric of the information system (For the local bound component composition the availability metric is purely based on the software/operating program, for the remote bound component composition the metric incorporates the delay metric of the network). The aim of the paper is to present a quantitative availability metric derived from the component composition of an Information System, based on the dependencies among the individual measurable components of the system. The metric is used for measuring and evaluating availability of an information system from the security perspective, the measurements may be done during the design phase or may also be done after the system is fully functional. The work in the paper provides a platform for further research regarding the quantitative security metric (based on the components of an information system i.e. user, hardware, operating program and the network.) for an information system that addresses all the attributes of information and network security.
Keywords
Availability, Metric, Security, Dependency, Information System
Original Source URL: https://aircconline.com/ijnsa/V9N2/9217ijnsa01.pdf
Volume URL: https://airccse.org/journal/jnsa17_current.html
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