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aliases:
- SLI
- SLA
- SLO
- Service-level indicator
- Service-level agreement
- Service-level objective
tags:
- Type/Tech
- area/tech
- proto
publish: true
version: 1
dateCreated: 2022-04-18, 12:52
dateModified: 2024-04-04, 08:35
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related:
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to: SLI's, SLA's, & SLO's
| 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." 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 the service provider and are outlined as a way of avoiding disputes between the two parties based on misunderstanding. | |
|---|---|
| wikipedia:: Service-level objective | |
| 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); an SLI is thus also called an SLA metric. | |
| wikipedia:: Service level indicator | |
| A Service-level agreement (SLA) is an agreement between a service provider and a customer. Particular aspects of the service – quality, availability, responsibilities – are agreed between the service provider and the service user. The most common component of an SLA is that the services should be provided to the customer as agreed upon in the contract. As an example, Internet service providers and telcos will commonly include service level agreements within the terms of their contracts with customers to define the level(s) of service being sold in plain language terms. In this case, the SLA will typically have a technical definition of mean time between failures (MTBF), mean time to repair or mean time to recovery (MTTR); identifying which party is responsible for reporting faults or paying fees; responsibility for various data rates; throughput; jitter; or similar measurable details. | |
| wikipedia:: Service-level agreement | |
| url:: SLIs, SLAs, & SLOs |
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