Host only network -> Internal LAN card which is used by manager and nodes to talk to each other
Called as Manager Network or Underlay network
Each node will have container runtime like docker which provide ip address to containers. This docker network is specific to a machine and cannot be used to communicate outside
POD/Overlay network
This is used to communicate workload information between the nodes
POD network is obtained using third party plugins like ACI, Antrea, Calico, canal etc
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