Tier System in Data Center
A famous term associated with Data Centers is tier standards. Tier standards can be defined as standardized channels used to figure out availability in a data centers. Tier system is very much important for all the data centers let it be Fully Managed Data Centers India or partially managed data centers. Tier system was developed by Uptime institute. It helps companies to calculate performance and ROI (return on investment).
There are 4 tiers in a tier system, with tier 4 being the best and tier 1 being in the bottom. Do decide which data center facility belongs to which tier Uptime Institute issue a certificate. This reduces the risk from companies which falsely claims for the certification for their facility. Till the start of the year 2008 more than 25 data center round the world had been certified by the Uptime Institute.
This certificate helps customers to figure out the standard of the data center facility in which their servers will be placed. In the fast jet age it is very important for a customer to check the standard of a facility, since e downtime of few seconds can cost million of bucks. Process of certification begins with engineers at Uptime Institute review submitted documents of the design.
Following the review Uptime employees visit the site and examine whether the site is newly built or just an expansion from a older facility. The inspection also includes various other service checks at the data center services india. In order to amplify the sustainability of the tier standards, Uptime Institute also added an grading system.
Below is a brief explanation of the four tiers of data center:-
| Tier Level | Requirements from data center |
| Tier 1 | 1) Non-redundant capacity IT equipments
2)Non-redundant and Dedicated distribution path for all the equipments. |
| Tier 2 | 1) Redundant IT equipments including all Tier 1 requirements |
| Tier 3 | 1) Distribution paths for the IT equipments are independent and normally one path serves equipment at a given time.
2) IT equipments should be completely compatible with the topology of the site architecture and also they should be dual powered. 3) other than these all the Tier 1 and 2 requirements |
| Tier 4 | 1) Cooling facility should include HVAC systems and chillers along with being dual powered.
2) All the distribution networks should be fault tolerant, let it be storage or electrical. 3) All Tier 1, 2 and 3 requirements. |
Why Cloud Computing?
Cloud Computing provides a strong frame to a company to solve one of the most serious problem for IT industry that is Resource Planning. Every new company dreams of getting famous in few days and expect that new clients start using their services. . But for the IT department this can be nightmare because such flow of traffic will require more and more computing power than on any other day. Now to handle the situation if the company buys many computer equipments, than on an average day most of the machines will sit idle. From other point of view if the systems of a company are too weak to handle the load then they might crash leaving many clients and business in bizarre. This is where cloud computing comes into action. Cloud Computing allows a company to use as much as resources as they want and handle the sudden increase of traffic. And on the day when traffic is low company can save money by only using few machines and thus saving a lot of money. Computer equipments are not so costly how they used to be in past times, but the administration of machines is expensive. To solve this problem what Cloud Computing do is basically gathering large number of low cost computers, all other requirements like maintenance procedures and management of systems can all be automated. Therefore by using Cloud Computing you need very few administrators which can manage thousands of machine. Third and th most important advantage of Cloud Computing is that it is completely compatible to multiprocessor technology. This is basically because of the increased importance of technologies like virtualization and parallel programming. Single processors can not handle immense pressure of the increasing demand of fast processing. To face the situation hardware designers started building multi core chips with the prediction that number of core chips will increase on an exponential rate in near future. So available computers have to be parallel with the increasing computer processing power. This is eased by Cloud virtualization techniques which allows the processing power to be utilized properly and efficiently .