How to manage scripts that manage network automation
Most major network outages happen as a result of human error, not equipment failures—mistakes in the settings themselves, missed steps in a sequence, steps taken out of order, etc. Automation through scripting is meant not only to speed up network operations activities but, as importantly, to reduce the chance of such mistakes by ensuring consistency. A script executes the same steps, in the same order, every time.
Ad-hoc, scripting, or programmatic automation doesn’t eliminate the possibility of error, of course. It does limit the scope of the mistakes to the programs themselves, and robust testing should uncover most of them before they have a chance to be put into production. And, should a mistake get through and result in a bunch of misconfigured switches, there is one place to fix it—the script—that also provides the means of correcting the problem at machine speeds.
from Network World https://ift.tt/QjNHu74
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