Tier 1 hosting?

Cheerag Nundlall

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#1
I've never known this term till I read a post that having word "tier 1 hosting" but I don't understand what it is. Could you please tell me what is tier 1 hosting? or it is not existed and just defined by some people?
 
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#2
Hi @Cheerag Nundlall assuming this is what you mean

Tier 1 is supposedly "the best"
Tier 1 operators typically have operations in more than one country
Tier 1 operators own and operate their own physical networks, and either own or part-own their international submarine cable links.
Tier 1 operators have revenue-neutral peering agreements with other Tier 1 operators, and generally do not pay for transit.
I would not pay to much attention to it.

however because its not clearly defined and most services use the term for marketing fluff however if your talking about data-center tiers it means

the following:

Tier 1: A Tier 1 data centre has a single path for power and cooling and few, if any, redundant and backup components. It has an expected uptime of 99.671% (28.8 hours of downtime annually).
Tier 2: A Tier 2 data centre has a single path for power and cooling and some redundant and backup components. It has an expected uptime of 99.741% (22 hours of downtime annually).
Tier 3: A Tier 3 data centre has multiple paths for power and cooling and systems in place to update and maintain it without taking it offline. It has an expected uptime of 99.982% (1.6 hours of downtime annually).
Tier 4: A Tier 4 data centre is built to be completely fault tolerant and has redundancy for every component. It has an expected uptime of 99.995% (26.3 minutes of downtime annually).

Some context would be great lots of things come in tiers :)
 
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