From the course: AWS Essential Training for Developers

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Scaling with Elastic Load Balancer (ELB)

Scaling with Elastic Load Balancer (ELB) - Amazon Web Services (AWS) Tutorial

From the course: AWS Essential Training for Developers

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Scaling with Elastic Load Balancer (ELB)

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- In our discussion on autoscaling, I had you imagine that you were at a grocery store, and then when the checkout lanes started getting long, autoscaling would open up more checkout lanes by scaling up the number of instances. Sometimes when lanes start getting really, really long, the grocery store will have an attendant walk up and down in front of all the checkout lanes, so that attendant will direct you to which checkout lane you should go to. In a networking world, that attendant is called a load balancer and it splits up the incoming traffic and balances it among your healthy servers. It's a key component to horizontal scaling. And in AWS, this is called an elastic load balancer. Let me demonstrate how a load balancer works. Now, this isn't an actual load balancer. They're much larger and some just don't look any different than a rack-mounted computer. But this little hub will make it easier to show you what a…

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