AWS - Load Balancer

 

Load balance is a method of distributing the network traffic equally across the connection/network pool that support an application.

AWS is provided a load balancing called ELB [Elastic Load balancer]

ELB is classified as below:

* Network Load balancer
* Application Load balancer
* Classic Load balancer 

* Gateway Load balancer

Network Load balancer is routing the traffic through TCP/IP [Layer 4] & Application Load balancer is routing the traffic through https/http [Layer 7]

* ELB should have a minimum 1 listener is in active state, so that it will listen the traffic and routing into target group.