You're negotiating SLAs with a customer. You have communicated that there will be a 99.99% (four 9s) availability for the service you are providing. Every aspect of the service is under your…

Question

Options

• AYes, that could be possible. If yes, there will be a significantly higher charge be-cause the effort is
• BYes, that is possible, but there will be an additional charge of 9% for the service because that is
• CYes, that is possible. There is hardly any difference to provide another 0.009% availability.
• DAsk them for the reasonable downtime they are willing to absorb. If it is more than 60 minutes in

• A
  74% (23)
• B
  10% (3)
• C
  16% (5)

Explanation

In many cases, customers might not know the implications of the 9s with respect to scheduled maintenance, upgrades, etc. It's possible that they are holding unnecessary expectations that significantly exceed their requirements. -> Even though 0.0009 % increase it looks like a small increment, an addition of a single 9 reduces the possible downtime by 10 times. So the effort is often much greater. https://en.wikipedia.org/wiki/High_availability

No community discussion yet for this question.