Predicting Software Availability
To predict the availability of a network or a device in a network, you need to consider the software contribution to downtime. We are now going to explore the software contribution to downtime. We are going to talk a little bit about how MTBF and MTTR is determined for software and then we are going to use those results in some examples. By the end of this section, you should be able to include software downtime in your availability calculations.
The hardest part about considering software in availability calculations is determining what MTBF to use. Many methods are available for calculating reliability of software, and they are mostly very difficult to perform or are not very accurate. The best of the simple ...
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