Its a joke
>=90 -> one 9 >=99 -> two 9's >=99.9 -> three 9's
Also, you can think of e.g. five 9's as five minutes of downtime per year
Its a joke
>=90 -> one 9 >=99 -> two 9's >=99.9 -> three 9's
Also, you can think of e.g. five 9's as five minutes of downtime per year
got the joke. but it drove home that i wasn't sure how it's counted. thx