Suppose I have a cloud service having a web role, and is added to a virtual network. My on-premise systems are not internet facing and thus are configured to consume the web role using its IP address in VPN. Suppose if I need to scale up the instance in
Cloud Service, there will be another instance added to the Virtual network as well with a different IP. But how can my on-premises systems know there is another instance that is available to respond to request since it is locked to a single IP? How is the
scalability aspect met here? Can we have the Cloud Service to have a common IP address for all instances that can be accessible by the on-premise systems rather than having individual IP addresses for each instances of Cloud Service?
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