In the previous chapter, you learned about Cloud Services. A Cloud Service is a collection of virtual machines that share the same public IP address and domain. All virtual machines that are part of the same Cloud Service are able to connect to each other over the internal Azure network. Network traffic is isolated inside a Cloud Service. This means that virtual machines part of a Cloud Service by default cannot communicate with virtual machines that are part of another Cloud Service.

However, when multiple Cloud Services are combined into a virtual network, all virtual machines in all Cloud Services can communicate to each other.

Cloud Service is a term used in the Platform as a Service (PaaS) offering of Microsoft Azure. Cloud Services in PaaS allow control over the guest operating system.

Cloud Services can have two versions: a staging deployment and a production deployment. Each deployment has a set of virtual machines which offer the same sort of application functionality...