I was really excited about creating a blog post about this but I think the Microsoft pages about this topic are much more expansive than I could be about it. As cloud computing becomes more and more viable I think we begin to see large organizations move many locally or on site hosted applications into a more secure cloud environment that may offer higher SLAs at a lower cost than traditional methods. This trend is very evident with the number of web sites that have gone to using AWS for hosting and I think it will continue with infrastructure related systems.

Connecting Azure With AD