What Is Data Center Tiers Why Tier III Data Center is better
Introduction
Generally, a data center is a physically located infrastructure in which a web hosting provider provides a series of hosting solutions for clients. In addition to processors, network components, and other computing options, storage options in data centers can also be used in server cabinets, racks, and computer rooms. Data center standards assess the reliability and quality of data center server hosting. A four-tier ranking system is used to determine the reliability of the data center. This evaluation system starts at the Tier 1 data center and ends at the Tier 4 data center. Let's dive into the various data center layers:
Tier 1 Tier 1 data centers are considered the least reliable tier due to their non-redundant capacity components, and the distribution path is single and non-redundant. It is commonly used by small businesses and its features include: •
99.671% Uptime
•
Provides cheapest service offering
Tier 2
Tier 2 data centers are more reliable than Tier 1 data centers. To reach tier 2, the facility must ensure that all capacity components
are
fully
redundant.
Its
benefits include: •
99.749% Uptime
•
Partial redundancy in cooling and power
•
22 hours of downtime per year
Tier 3 For most businesses, a Tier 3 data center is the most cost-effective solution. It has 99.98% uptime to ensure minimal downtime. This means that equipment can face up to two hours of downtime per year. A Tier 3 data center meets all the requirements of Tiers 1 and 2. Specifications include: •
99.98% uptime
•
1.6 hours of downtime annually
•
72 hour power outage protection
Tier 4 Tier 4 data centers are an expensive option for businesses. It has all the requirements of tiers 1, 2 and 3 and ensures that all equipment is fully resistant to failure. Tier 4 data center provides services for enterprise companies and has the following functions: •
99.995% uptime
•
2N+1 fully redundant infrastructure
•
Power outage protection of 96 hours
•
26.3 minutes downtime annually
Why Tier 3 data center is better?
•
Affordable than Tier 4 facilities
•
Does not interrupt the device
•
All maintenance is performed without affecting the equipment
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