Azure Application Gateway

 

• A web traffic load balancer.
• It allows you to distribute incoming traffic based on HTTP request properties such as URL and host headers.
• Application gateway has four tiers: Standard, Standard V2, WAF, and WAF v2
• You can use the same application gateway for up to 100+ websites with multi-site hosting.
• Set the minimum and maximum scale units based on your needs.
• Azure Application Gateway vs Azure Load Balancer
  • An application gateway operates at layer 7.
  • A load balancer functions at layer 4.
• You can use both public and private IP on the frontend.

Features

• Secure your data with end-to-end SSL.
• Route traffic based on URL path or host header-based.
• Protect your applications from common web vulnerabilities using WAF.
• Scales automatically based on your web application traffic load.
• With gateway-managed cookies, you can direct subsequent traffic from a user session to the same server.

Pricing

• You are charged per instance, per GB, and per gateway-hour.
• You are also charged with capacity units (computed hourly or partial hourly).