What is AWS ELB?
Elastic Load Balancing automatically distributes incoming application traffic across multiple Amazon EC2 instances in the cloud.
It enables you to achieve greater levels of fault tolerance in your applications, seamlessly providing the required amount of load balancing capacity needed to distribute application traffic.
Watch the below video for the following:
What is AWS ELB ? How to configure basic web server (HTTP) on existing running EC2 linux instance? How to configure ELB and add web servers?