You have an Azure subscription. Users access the resources in the subscription from either home or from customer sites. From home, users must establish a point-to-site VPN to access Azure resources. The users on the customer sites access the Azure resources by using site-to-site VPNs. You have a line of business app named App1 that runs on several Azure virtual machines. The virtual machines run Windows Server 2016. You need to ensure that the connections to App1 are spread across all the virtual machines. What are two possible Azure services that you can use?