7.4. Survivability Modeling

Information survivability encompasses many aspects of security and reliability for computers and networks. Information survivability is more than preventing security breaches. Systems must be robust; they must be able to continue to operate despite accidental breakdowns, failures in their components and subsystems, and successful security attacks. Survivability is concerned with a system’s transient behavior just after the occurrence of a failure until the system stabilizes, that is, gets repaired or recovered. By failure here, we mean a physical failure, an attack, or a natural disaster.

In recent years, a variety of survivable network techniques and architectures have been proposed and developed for better protection ...

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