A Service Level Agreement (SLA) is a contract between a service provider and a customer that outlines the level of service that the provider will offer. It specifies the quality of service, expected uptime, the single point of contact for end-user issues, and the remedies available in the event of service disruptions. An SLA is a critical part of any business that relies on technology services.
SLAs typically include metrics such as uptime, response time, and resolution time. For example, an SLA for a cloud hosting provider might specify that the service will be available 99.99% of the time, with a response time of under 10 seconds and a resolution time of under 30 minutes.
An SLA provides a clear understanding of the expectations between the provider and customer and helps to ensure that both parties are aligned on the level of service provided. It also serves as a basis for tracking and measuring the provider's performance against the agreed-upon service level.