If your data centre was flooded or lost power , the business impact would be significant. But how can you accurately measure and manage that risk, and how can you discuss it with other parts of the business?

Effective temperature management in your data centre can improve efficiency and cut your operating costs. Here are four principles to bear in mind while you're trying to deal with data centre heat.

We know data centres are becoming more important, and we know that many of them are becoming bigger and more densely-populated as a result -- but what do terms such as "large" and "high density" really mean? A new set of proposed standards might help answer the question. Are you large, massive or mega?