SLA Vs SLO: Tutorial & Examples

SLAs and SLOs are important for measuring and ensuring service quality in modern applications that rely on a complex network of sub-services. This article explores the similarities and differences between SLAs and SLOs, presents a case study, and provides industry best practices for implementing them. The terms SLA and SLO can have different meanings, but in this article, they are defined according to Google's site reliability engineering practices. SLOs and SLAs were traditionally used in the telecom industry, but now they are also used in the software industry with metrics such as latency and error rates. The software industry has made progress in defining and implementing SLOs, with tools such as Open SLO and SLO Tracker. SLIs are the metrics used to measure service performance, and common ones include availability, latency, error rate, and throughput.

Read the full version of this article at: https://www.squadcast.com/sre-best-practices/sla-vs-slo