Service level indicator: Difference between revisions

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{{Short description|Measure of service quality}}

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 Objective]]s (SLOs), which in turn form the basis of [[Service Level Agreement]]s (SLAs);<ref name="sre37"/> an SLI is thus also called an '''SLA metric'''.

{{one source|date=July 2024}}

In [[information technology]], a '''Serviceservice Levellevel Indicatorindicator''' ('''SLI''') is a measure of the [[service level]] provided by a [[service provider]] to a customer. SLIs form the basis of [[Serviceservice Levellevel Objectiveobjective]]s (SLOs), which in turn form the basis of [[Serviceservice Levellevel Agreementagreement]]s (SLAs);<ref name="sre37"/> an SLI iscan thus alsobe called an '''SLA metric''' (also ''customer service metric'', or simply ''service metric'').

Though every system is different in the services provided, often common SLIs are used. Common SLIs include [[latency (engineering)|latency]], [[throughput]], [[availability]], and error rate; others include [[Durability (database systems)|durability]] (in storage systems), end-to-end latency (for complex data processing systems, especially pipelines), and correctness.<ref name="sre37">{{cite book |title=Site Reliability Engineering: How Google Runs Production Systems |authorsauthor=Niall Richard Murphy, |author2=Betsy Beyer, |author3=Jennifer Petoff, |author4=Chris Jones |section=Service Level Terminology |pages=[https://landing.google.com/sre/book/chapters/service-level-objectives.html#indicators-o8seIAcZ 37–40]}}</ref>

==References==

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[[Category:IT service management]]

[[Category:Outsourcing]]

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