The software described in this documentation is either no longer supported or is in extended support.
Oracle recommends that you upgrade to a current supported release.
CNCF project Flannel provides the overlay network used by Kubernetes, and simplifies container-to-container networking.
The Container Network Interface (CNI) project, currently incubating under CNCF, seeks to simplify networking for container workloads by defining a common network interface for containers. The CNI plug-in is included with Oracle Linux Cloud Native Environment.