Research on survivability metrics based on survivable process of network system

  • Authors:
  • Liang Ming;Minhuan Huang;Wang Dongxia;Xiaohui Kuang;Wang Chunlei;Feng Xuewei

  • Affiliations:
  • National Key Laboratory of Science and Technology on Information System Security, Beijing, China;National Key Laboratory of Science and Technology on Information System Security, Beijing, China;National Key Laboratory of Science and Technology on Information System Security, Beijing, China;National Key Laboratory of Science and Technology on Information System Security, Beijing, China;Department of Computer Science, Tsinghua University, Beijing, China;National Key Laboratory of Science and Technology on Information System Security, Beijing, , China

  • Venue:
  • Proceedings of the 4th international conference on Security of information and networks
  • Year:
  • 2011

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Abstract

Survivability is a necessary property of network system in disturbed environment. A survivable network always experience five phases, i.e., normal phase, resistance phase, destroyed phase, recovery phase, and adaptation and evolution phase, in its survivable process. This paper concludes the network survivability into four basic attributes: availability, controllability, robustness, and adaptability. According to these four attributes and five phases of a survivable network, this paper provides four novel quantifiable survivability metrics, i.e., Process-Weighted Average Availability (PWAA), Process-Weighted Average Controllability (PWAC), Process-Weighted Average Robustness (PWAR), and Process-Weighted Average Adaptability (PWAD). Analysis and Experiment results show that, these four quantitative metrics describe the meaning of network survivability properly, and can be used to test and evaluate survivability of network during the survivable process.