You deploy an SAP environment on Azure.

Your company has a Service Level Agreement (SLA) of 99.99% for SAP.

You implement Azure Availability Zones that have the following components:

* Redundant SAP application servers

* ASCS/ERS instances that use a failover cluster

* Database high availability that has a primary instance and a secondary instance

You need to validate the load distribution to the application servers. What should you use?