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How to calculate the website uptime 24/7?

When companies come forward and demand 99.98%, how do they reach this number? Is this the only QoS parameter or are there other useful and important parameters?

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There are several useful QoS parameters, although not all of them are as easy to measure as, for example, 99.98% of the uptime, which is easy to get - 99.98% of the time your server is available. Other indicators:

  • What bandwidth do they support? How about if this is a common channel and they have a lot of high volume customers? You are unlikely to receive an honest answer to this from the supplier.
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Source: https://habr.com/ru/post/1711088/

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