Network Load Balancer (NLB)ΒΆ
- Network load balancers (layer 4) allow to:
- Forward TCP & UDP traffic to your instances
- Handle millions of requests per second
- Less latency ~ 100ms (vs 400ms for ALB)
- NLB has one static IP per AZ, and supports assigning Elastic IP (helpful for whitelisting specific IP)
- NLB are used for extreme performance, TCP or UDP traffic
- Not included in the AWS free tier