Why SLOs Break in Microservices A SLO that works for a monolith often collapses when you distribute the same logic across 30 services. The math of availability is unforgiving. If your service depends on 5 others, each at 99.
Source: [Dev.to](https://dev.to/samson_tanimawo/service-level-objectives-for-complex-microservices-42i7)