What is Horizontal Scaling? (also called “Scale Out / Scale In”)

Question

Anirudh C S · Accepted Answer

Horizontal Scaling in AWS refers to using multiple servers to run the same operation. For example, if a website is having large traffic, then more than one instance can be used to run the website which is called Scaling Out. If later the traffic is lesser, the extra instances(servers) can be removed which is called Scaling In.

What is Horizontal Scaling? (also called “Scale Out / Scale In”)

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