Understanding load balancing

Load balancing is a way of leveraging hardware or software in order to manage connections to web frontend servers in your farm, which are seen as user traffic resources. These servers, when used in two or more configurations, help provide balanced resources for user loads to support connections using the sites within a specific URL. As a MinRole Server, WFE server has redundancy based on the number of WFE MinRoles that have been deployed. Deploying these server resources in two or more server configurations brings redundancy and can support user connections effectively so that they are not overrun by user connections to the sites that are available.

With that, there are, in theory, limitations in terms of how many web applications are supported by best practices – 20 using the Traditional Web Application creation option in SharePoint. There are also bounced around limitations in terms of how many service accounts/app pools are supported,...