Network Load Balancer

Load balancing of layer 4 traffic e.g. TCP/UDP/TLS

Features

• Understands layer 4 protocols only (no HTTP)
• Flow Hash Routing route based on hash of
  • Protocol
  • Source IP and port
  • Destination IP and port
  • TCP sequence number
• Sticky sessions (based on source IP)
• TLS Offloading (so backend doesn't have to)
• Millions of requests/s without scaling first (ApplicationLoadBalancer needs to scale to achieve these levels)
• Preserves client IP address (unlike ApplicationLoadBalancer)