What is Amazon Elastic Load Balancer (ELB)
▻https://hackernoon.com/what-is-amazon-elastic-load-balancer-elb-16cdcedbd485?source=rss----3a81
credits — wikipedia.orgAmazon #elb allows you to make your applications highly available by using health checks and distributing traffic across a number of instances.Consider that you have a WordPress blog which is running on a single t2-micro EC2 instance.Now you publish an article, it goes viral and your site gets hundreds of thousands of requests. Since you are using a single t2-micro, your website will probably crash.So, what can you do to avoid this?You may decide to launch a larger instance like an m5-large in place of t2-micro. This is called vertical scaling when you replace an instance with a more powerful instance.But vertical scaling isn’t always economical.Another approach can be to use a bunch of smaller instances like t2-micros and distribute the website traffic between them. (...)
#aws #computer-science #cloud-computing #elastic-load-balancer