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- Notification: The notification of a specific alert. Not every alert will be notified, just the ones that are so configured will be notified. Notifications , as are therefore a subset of the alerts and can be either positive or negative too.
- Acknowledgement: Is the confirmation of an alert and it has the meaning, that the alert has been seen and/or is well known and the incident is trying to be recovered. An acknowledgement is always manually executed, that means, there is always a person someone that has realized there is a Critical service and this person acknowledges the services (usually by the Service Desk or 1st Level Support). It is never an automatized step.
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