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The Origin and Kubernetes network model assigns each pod (group of containers) an IP that is expected to be reachable from all nodes in the cluster. The default setup is through a simple SDN plugin with OVS - this plugin expects the port 4679 to be open between nodes in the cluster. Also, the Origin master processes need to be able to reach pods via the network, so they may require the SDN plugin.
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- Other networking options are available such as Calico, Flannel, Nuage, and Weave. For a non-overlay networking solution, existing networks can be used by assigning a different subnet to each host, and ensuring routing rules deliver packets bound for that subnet to the host it belongs to. This is called [host subnet routing](https://docs.openshift.org/latest/admin_guide/native_container_routing.html).
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+ Other networking options are available such as Calico, Flannel, Nuage, and Weave. For a non-overlay networking solution, existing networks can be used by assigning a different subnet to each host, and ensuring routing rules deliver packets bound for that subnet to the host it belongs to. This is called [host subnet routing](https://docs.openshift.org/latest/install_config/configuring_routing.html#install-config-configuring-native-container-routing).
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