Azure Global Infrastructure consists of two key components: Physical infrastructure and connective network components. The physical infrastructure comprises more than 200+ datacentres spread across the world, arranged into regions which are interconnected by low latency, high speed, and one of the largest inter-connected networks

I am not talking about the clouds up in the sky. We are interested in the Cloud computing services offered by different cloud providers. In simple terms, these are IT resources or services such as networking, storage, computing, analytics etc… that can be accessed over the internet, usually with pay-as-you-go billing.You can imagine Cloud as a collection of different IT resources that are available for rent or use with a subscription fee. These resources are located in data centres all over the globe, maintained by Cloud Service Providers (CSP)