The data center TIER definitions define criteria, but not specific technology options or design choices to meet the Tier. Tiers are flexible enough to allow for many solutions that meet performance goals and compliance regulations.
Each data center can decide the best way to meet the Tier criteria and business goals.
Uptime Institute can rate and certify a design and facility using the standards from the Tier classification requirements to give a Tier Certification.
This certification means that the infrastructure has no weak areas, and the data center has worldwide accountability for excellence.
The Uptime Tier Certification process is an unbiased assessment that ensures all parties involved meet the given requirements and expectations.