This document discusses Kubernetes Ingress Controllers. It provides an overview of Kubernetes nodes, services, and service architecture. It then discusses ingress controllers, including examples of their good, bad, and ugly aspects. It notes that ingress controllers have limited features and annotations are not portable. The document outlines upcoming changes to the ingress API in Kubernetes v1.18 and introduces the new Gateway API as an alternative. It proposes demonstrating ingress controllers in action and invites questions.