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- Welcome to Lesson 17.

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In this lesson, we will focus

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on a single service. Auto Scaling,

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and a single implementation
pattern within this service,

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Auto Scaling on EC2 instances.

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Auto Scaling is one of the best examples

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of the advantage of using AWS

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instead of on-premises infrastructure.

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It exhibits several cloud
design best practices

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such as pay as you go,
just in time provisioning,

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and performance efficiency.