But as these organizations move to cloud-centric IT models, there are real-world business needs and other factors that make operating a single environment not practical.
The survey found that more than three-quarters of schools had had to cancel practical lessons - with disruptive behaviour the most common reason, along with other factors such as lack of equipment, lack of space and too large classes.
The practical result of this method is that every month, all of the 12 seasonal factors change, which means that all of the year to date monthly SA data also changes.