Datacenter Design Fundamentals

In this series of articles i want to write how to make efficient use of power, rack space and expenditures when desigining your datacenter..
First of all, having a datacenter is an expensive task and when you use your resources inefficiently, you also will lose extra money. That is where a good designer take action and make things go better.
As a matter of fact, a good datacenter should be built with three facts; Performance, stability and scalibility. While building a datacenter on these facts also security is a feature that should never be forget.