IT Explanations

Clear explanations of IT concepts, protocols, architecture and enterprise technologies.

Concepts, protocols and architecture
Infrastructure, cloud and security
Clear explanations and real-world context
For sysadmins, IT admins and MSPs

All Explanations

Understand the technology behind your infrastructure.

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Abstract visualization of service delivery with performance metrics, uptime indicators.

What is SLA? Definition, How It Works & Use Cases

An SLA (Service Level Agreement) is a contract defining the service level a provider commits to - with metrics, remedies, and exclusions. Learn how SLAs work, the availability 'nines', and how they differ from SLOs and SLIs.

Mar 16, 202623 min readbeginnerEmanuel De Almeida