Load Balancer

A deep dive into Load Balancer - Practical ver.

Application Load Balancer (ALB, Layer 7)

  • HTTP, HTTPS, Web Socket routing

  • Security group mapping available

  • HTTP 2.0 is also supported

    • Previously, it wasn't supported

      • So gRPC, Web RPC weren't possible..!

Network Load Balancer (NLB, Layer 4)

  • Supports everything

    • TCP, TLS, UDP routing

  • Disadvantage

    • Security Group mapping is not supported!

Classic Load Balancer (CLB, Layer 4)

  • Similar to NLB (Layer 4)

    • However, TargetGroup specification is not supported

  • Security group mapping available

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