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

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Multi-Region design scenarios

Multi-Region design scenarios - Amazon Web Services (AWS) Tutorial

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

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Multi-Region design scenarios

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- [Instructor] Let's take a look at multiple regions and how they can possibly aid in additional reliability. If we're looking at a multi-region deployment and we want uptime of 99.5%, the downtime is one hour, 49 minutes per month. How much downtime can you accept? The odds are in a multi-region scenario, your answer is, I don't want any downtime, and that's the right answer. For 99.5%, as our SLA, we have to remember that we can probably exceed this 99.9% of the time because the applications that are going to be installed in a multi-region environment because they require extremely short downtime with no data loss, that's the goal. That would be a banking app, investing emergency services. The app has to stay up. I'm putting the resources in place, so it's always going to be up. Therefore, I want multiple copies of data. I want multiple database servers, web application servers, whatever my application requires. It's designed for a very short recovery time or no recovery time…

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