Anyone joining the wonderful world of Kubernetes networking from OpenStack will confront new terminology and networking/policy concepts that are different from OpenStack's equivalents. Terms like services, pods, CNI, Ingress, Internal vs. External Load Balancing, service proxy's, namespaces, labels, selectors, policy, etc. can be distinctly different to OpenStack or Neutron artifacts like ML2, L3-agent, security groups, metadata proxy, integration bridges and other OpenStack or Neutron artifacts
