What is Application Gateway?
It provides the following functionalities such as: 
- Scalable, highly available HTTP Load Balancing.
 - Management through Azure APIs.
 - Cookies affinity for the cross platform.
 - 99.9% uptime SLA for the multi-instance Gateway.
 - Support for both the public and private Websites.
 - SSL offload for the better utilization.
 
The following are the steps followed for creating an Application Gateway in Azure
 
Step 1: Login to Azure Management portal by clicking the 
Link to create an Application Gateway .
 
 
Step 2: In the dashboard, click browse option in the browse option blade and select Application Gateways.
 
 
Step 3: In Application Gateways Window, click Add option, shown below:
 
 
Step 4: In the Application Gateway, creation wizard contains three steps.
- In the basic settings, please fill out all the required fields such as Name, SKU size, resource group and click OK.
![Application]()
 - In the settings blade, configure subnet configuration, Public IP address etc. and click OK.
![Application]()
![Application]()
![Application]()
![Application]()
 - In the summary blade, configured information will appear. Please review it and click OK.
 ![configured]()
 
 
Step 5: It takes sometime in Azure Management portal. Finally, the Application Gateway is created and configured, in order to use.