From the course: Complete Guide to the AWS Well-Architected Framework

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Foundations of redundant networks

Foundations of redundant networks - Amazon Web Services (AWS) Tutorial

From the course: Complete Guide to the AWS Well-Architected Framework

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Foundations of redundant networks

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- [Instructor] There are five design principles recommended by the reliability pillar, and the first one to consider is the automation aspect, the automatic application recovery when there's problems. How do I know that my application's having a problem? Well, I have to monitor it, probably with CloudWatch. If I monitor my application using performance indicators, these indicators could be network indicators, CPU indicators, RAM indicators, storage indicators, which would give me some information as to how the application is operating, and also tell me when there's a failure. So when I define that CPU utilization, if it's over 70%, I need something to swing into action to solve this problem. Or when something fails, what is my automated response? When that threshold is breached, an alarm should kick in and alert somebody or something to solve the problem. So we want to plan for and stop the failures, ideally, before they occur. If we have an application which is increasingly under…

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