Azure Application Gateway  is a web traffic load balancer  that enables you to manage traffic to your web applications.

It is an effective and scalable load-balancing controller that offers high availability.

Azure Application Gateway  can be used as an internal application load balancer or as an internet-facing application load balancer.

Azure Application Gateway  is a virtual appliance that provides ADC (application delivery controller) as a part of its service.

Azure Application Gateway  offers HTTP-based load balancing, which allows you to create HTTP-based routing rules