Kubernetes networking and policy
About Kubernetes Networking
Background on the Kubernetes network model, services, DNS, NAT outgoing, and dual-stack networking concepts that underpin Calico Open Source deployments.
About networking
Background on networking fundamentals such as OSI layers, IP addressing, subnets, routing, overlays, DNS, and NAT for newcomers to Calico Open Source.
What is network policy?
Background on Kubernetes and Calico Open Source network policy, comparing API capabilities and offering best practices for securing cluster workloads.
Kubernetes ingress
Background on Kubernetes ingress implementations, load balancing at L5-7, and how ingress controllers interact with network policy in Calico Open Source.
Kubernetes egress
Background on Kubernetes egress traffic, including outgoing NAT, restricting outbound connections, and egress gateways for Calico Open Source clusters.
Kubernetes services
Background on Kubernetes service types (ClusterIP, NodePort, LoadBalancer) and how services interact with network policy in Calico Open Source clusters.