Your company is currently in the process of designing an application architecture for Azure App Service Environment (ASE) web apps. To facilitate communication between the on-premises network and your Azure environment, you are utilizing an ExpressRoute connection. Your task is to recommend a solution that ensures seamless communication between the web apps hosted in the ASE and an on-premises application server. It is crucial that the proposed solution minimizes the number of public IP addresses permitted to access the on-premises network. What should be included in your recommendation?