Industry examples for SLIs/SLOs

DNS on AWS (Route53)

The current SLA promises 100% availability. There is no promise for serving latency, update propagation delay and durability of your change.

Period Calendar month
Kind Availability
Measured Not described
Note Four minutes and 59 seconds downtime (99.9886%) a month before getting a credit.

DNS on Google Cloud

The current SLA defines 100% availability. There is no promise for serving latency, update propagation delay and durability of your change.

Period Calendar month
Kind Bad minute availability
Measured Not described
Note Fractional bad minutes are not counted. Service could have a constant error rate.