Defining a service level objective against an application

https://technet.microsoft.com/en-us/library/dd441412.aspx

You can configure a service level objective (SLO) to define the availability and performance goals for an application. In the following procedure, you create a new service level (LOB Application 1) against a distributed application, define a Monitor SLO that is based on availability (99.9% up-time), and define a Collection Rule SLO that is based on a performance rule (80% average processor time).