Five nines is the term used for describing the availability of a computer or a service at 99.999 percent of the time it is required. In other words, the system or service is only unavailable for 5.39 minutes throughout the year for planned or unplanned downtime.

What were five nines ww1?

Five nines, commonly taken to mean “99.999%”, may refer to: High availability of services, when the downtime is less than 5.15 minutes per year. Nine (purity), a 99.999% pure substance. German 15 cm (5.9 in) artillery shells used in World War I.

What are the metaphors in Dulce et decorum est?

Metaphor: There is only one metaphor used in this poem. It is used in line seven of the poem, “Drunk with fatigue; deaf even to the hoots.” It presents the physical state of the men. Onomatopoeia: It refers to the words which imitate the natural sounds of the things.