Difference between load balancer and application gateway

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Accepted Answer

Load balancer distributes traffic across multiple servers, while application gateway provides more advanced routing and security features.

Load balancer operates at layer 4 (TCP/UDP) and distributes traffic based on network-level information like IP address and port numbers
Application gateway operates at layer 7 (HTTP/HTTPS) and can perform advanced routing based on URL paths, hostnames, and other application-level data
Load balancer is typically used for distributing traffic to multiple servers in a backend pool, while application gateway can provide features like SSL termination, web application firewall, and URL-based routing
Examples: Azure Load Balancer vs Azure Application Gateway in Microsoft Azure cloud platform

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