There comes a time in the life of every Kubernetes cluster when internal resources (pods, deployments) need to be exposed to the outside world. Doing so from a pure IP connectivity perspective is relatively easy as most of the constructs come baked-in (e.g. NodePort-type Services) or can be enabled with an off-the-shelf add-on (e.g. Ingress and LoadBalancer controllers). In this post, we’ll focus on one crucial piece of network connectivity which glues together the dynamically-allocated ext...
