Elastic Load Balancing (ELB) is a fully managed AWS service that automatically distributes incoming application traffic across multiple targets, such as EC2 instances, containers, and IP addresses, scaling its capacity in response to traffic changes [citation:1].
Elastic Load Balancing (ELB) is a fully managed load balancing service offered by AWS. It automatically distributes your incoming application traffic across multiple targets, such as Amazon EC2 instances, containers, and IP addresses. ELB scales its load-balancing capacity in response to incoming traffic, and it can be used with Auto Scaling groups to build highly available, fault-tolerant applications.