At this point, you know moving your data to the cloud is a good move for the business. Financially it makes sense, efficiency has been proven, and security has been evaluated - it's time to make the move. However, it is important to be aware of the challenges you may face during a migration project and having a strategy is key.
Understanding each applications' resource requirements can be as easy as defining the actual usage of memory, storage and cpu by each application. However, there are pitfalls that companies tend to fall into which can result in inaccuracies that more often than not overstate and application's requirements.