Kubernetes namespaces are one of the most familiar tools in the platform engineer’s toolkit. In an article published on The New Stack, namespaces were presented as a step-by-step guide to achieving container isolation, a perspective that reflects how many teams use them today.
The term “isolation,” however, is doing a lot of heavy lifting in that framing. Namespaces deliver logical separation, but they don’t enforce the kind of hardened boundaries that stop workloads from interfering with one another at runtime.
This distinction…
