What types of AWS load balancers are there?
Answer
- Classic Load Balancer (CLB): Mainly for TCP (layer 4) and HTTP, HTTPS (layer 7)
- Application Load Balancer (ALB): Mainly for HTTP, HTTPS and WebSocket
- Network Load Balancer (NLB): Mainly for TCP, TLS and UDP
- Gateway Load Balancer (GWLB): Mainly for layer 3 operations (IP protocol)