In the previous section, we learned what components the overlay network in OpenShift comprises. Now, it's time to see how it can be configured to suit the requirements of a particular environment.
OpenShift makes its internal SDN plugins available out-of-the-box, as well as plugins for integration with third-party SDN frameworks. The following are three built-in plugins that are available in OpenShift:
- ovs-subnet
- ovs-multitenant
- ovs-networkpolicy
The decision regarding which plugin to use is based on what level of security and control you aim to achieve. In the following subsections, we will discuss the main features and use cases for each of those plugins.
With SDNs taking over networking, third-party vendors have also started to develop their own solutions for programmable networks. Red Hat works closely with such providers to ensure smooth integration of...