The concept of, and need for, chaos engineering
In the past, or still somewhere within the finance industry, software systems used to run in an on-premises or controlled environment with the help of an army of system administrators. Today, in the era of the cloud, migration to the cloud is relentless. Software systems are no longer monolithic but uncoupled in the form of microservices. The new and advanced distributed modern IT infrastructure requires robust systems thinking and reliability engineering to ensure that systems are always up and running. Downtime is no longer an option and may impact businesses. To make sure that these systems don't fail or increase the resiliency of these systems, the discipline of chaos engineering emerged.
This is how the chaos community defines chaos engineering:
