Service Level Agreements (SLAs), Service Level Indicators (SLIs), and Service Level Objectives (SLOs) are critical metrics for measuring the performance and reliability of IT services. These metrics provide valuable insights into the quality of service provided to customers and help teams identify areas for improvement. In this blog post, we’ll provide a step-by-step guide to calculating SLAs, SLIs, and SLOs for your IT services, using an example of a microservices-based ecommerce application.