How does scaling out work in Azure App Services?

Question

I am trying to wrap my head around the concept of Azure App Service plan and Azure App Services, with no luck.

My understanding is that an App Service Plan defines the c

Answer 1

As @4c74356b41 said when you scale out you are going to get more physical resources (i.e VM's with more compute, memory and storage). Also one correction as per Azure documentation, scale out is going to effect all apps in app service plan. see below link and the point to note is

"The scale settings take only seconds to apply and affect all apps in your App Service plan. They do not require you to change your code or redeploy your application" - https://azure.microsoft.com/en-us/documentation/articles/web-sites-scale/