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L7 load balancing term

application-layer balancing — sees URLs, headers, content

Can route /api/* to one backend and /static/* to another. Inspects/modifies HTTP. Slower than L4 but way more flexible. AWS ALB, nginx, Envoy.

aliases: layer 7 load balancing, HTTP load balancer, ALB, application load balancer

topics: networking, infrastructure

references:

• AWS — Application Load Balancer