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A service-level objective (SLO), as per the O'Reilly Site Reliability Engineering book, is a "target value or range of values for a service level that is measured by an SLI." [1] An SLO is a key element of a service-level agreement (SLA) between a service provider and a customer. SLOs are agreed upon as a means of measuring the performance of ...
Service level measures the performance of a system, service or supply. Certain goals are defined and the service level gives the percentage to which those goals should be achieved. Examples of service level: Percentage of calls answered in a call center; Percentage of customers waiting less than a given fixed time
A service-level agreement can track multiple performance metrics. In this context, these metrics are called service level indicators (SLIs). The target value of a given SLI is called a service-level objective (SLO). In IT-service management, a common case is a call center or service desk. SLAs in such cases usually refer to the following SLIs:
In information technology, a service level indicator (SLI) is a measure of the service level provided by a service provider to a customer. SLIs form the basis of service level objectives (SLOs), which in turn form the basis of service level agreements (SLAs); [ 1 ] an SLI can be called an SLA metric (also customer service metric , or simply ...
Service management practices: examples are: Service-level management, Availability management and Capacity and performance management Technical management practices: including three practices: Deployment management , Infrastructure and platform management and Software development and management.
SML is a language for building a rich set of constructs for creating and constraining models of complex IT services and systems. SML-based models could include information about configuration, deployment, monitoring, policy, health, capacity planning, target operating range, service level agreements, and so on.
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Service domain deliverables describe the service domain (see paragraph #Target domain and service domain for more information). They are delivered by both customer and supplier organisations to plan and control services. There are two types of service domain deliverables: service plans and service reports.