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Chapter 1. About networking
To optimize network traffic management and security across hybrid clusters, configure Red Hat OpenShift Networking.
The Red Hat OpenShift Networking ecosystem of networking capabilities integrates ingress, egress, load balancing, high-performance throughput, security, and inter- and intra-cluster traffic management. The Red Hat OpenShift Networking ecosystem also provides role-based observability tooling to reduce its natural complexities.
The following list details some of the most commonly used Red Hat OpenShift Networking features available on your cluster:
- Cluster Network Operator for network plugin management.
Primary cluster network provided by either of the following Container Network Interface (CNI) plugins:
- OVN-Kubernetes network plugin, which is the default CNI plugin.
- OpenShift SDN network plugin, which was deprecated in OpenShift 4.16 and removed in OpenShift 4.17.
Before upgrading OpenShift Dedicated clusters that are configured with the OpenShift SDN network plugin to version 4.17, you must migrate to the OVN-Kubernetes network plugin. For more information, see Migrating from the OpenShift SDN network plugin to the OVN-Kubernetes network plugin.
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