The term of tiers in data center must be something that we commonly hear. Well, tier I to tier 4 is actually a standard of methodology used to decide the optimization of data center. You know, if the data center can be optimized well it gives you significant result regarding the internet and computer system in your department.
Functions of the Tiers
In general, the tiering system is really beneficial particularly for measuring certain aspects including the work performance of the data center, investment, and also return of investment, commonly known as well with ROI.
From the four tiers, the fourth one is considered as the strongest and resistant towards trouble and failures. It is reasonable; tier 4 is basically designed and installed for being the host of critical server mission and computer system. It is because the system of data center itself planned and designed by including several systems including the power supply, cooling system, security, storage, and others. That’s why if you are the owner of big company or department with the use of many computers and internet system, tier number four can be the best choice. Meanwhile, tier 1 is better for smaller business and shops.
The Tiering in Data Center
Each tier in data center is available with certain capacity and even facilities. In some countries, there is a standard how much capacity can be used on each tier. Tier 1 guarantees the availability of capacity around 99.671%. Meanwhile, bigger amount than tier 1, tier 2 has 99.971%, includes tier 1 and redundant capacity component. Tier 3 is up to 99.982% which consists of tier 1, tier 2, dual powered devices and some uplinks. The last one means the combination of tier 1, tier 2, tier 3, and all other fault-tolerant components, storage, cooling system, HVAC system, and so forth.