Managed load balancing service that distributes traffic to EC2 instances, containers and IP addresses (+ metrics to cloudwatch).
- HTTP, HTTPS, TCP and SSL (Secure TCP)
- Can be external or internal facing
- Each load balancer is given a DNS name
- Recognizes and responds to unhealthy instances
- Sticky sessions (load balancer-generated cookies only)
Target group
The target group is the connection between the load balancer and, for example, an autoscaling group.
Application LB
- HTTP, HTTPS (Layer 7)
Network LB
- TCP, TLS, UDP (Layer 4)
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