• Layer 4 LB
• v2 - new gen
• 2017 launched, TCP,UDP, TLS
• Ultra high performance for TCP and UDP traffic - Millions of requests per second
• One static IP per AZ, supports assigning Elastic IP - helpful for whitelisting IP
• TLS offloading at scale
• Support for UDP, static IP for your application
• Operating at the connection level

NLB Target Groups

1. EC2 instances
2. Register IP addresses (Private IP, server in on prem server)
3. NLP can be in front of an ALB
   1. NLP provides fixed IP addresses, and ALB will provide HTTP handling type traffic

Health checks support

• TCP
• HTTP
• HTTPS protocol

Labs

• In NLB, For each AZ you enable, you get a Sec Group and a IPV4 address assigned by AWS