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The data plane (sometimes known as the user plane, forwarding plane, carrier plane or bearer plane) carries the network user traffic. The control plane carries signaling traffic. Control packets originate from or are destined for a router. The management plane, which carries administrative traffic, is considered a subset of the control plane.
Control Plane handles signalling between nodes and user plane handles user traffic like voice and data.
Control plane is used for signalling b/w network and Ue, while user plane is assigned for actual communication(for Voice and data services) to user based on system capacity,
Control Plane is signaling between the hierarchical nodes, determining the path for the user plane, the data being transferred between users
when connecting two devices using interface there is a need for two protocols. First protocol would allow first device to control how works the second one. This kind of protocol is part of control plane. Second protocol would send just raw data from one device to another. This would be a part of user plane.
Control plan is using for signalling anf establishment of the session and the User plan is used for user data in a specific PDP context once a tunnel is created.
Control plane is protocols for which controlling the radio access bearers and the connection between the UE and the network and User plane is responsible for the transfer of user data, such as voice or application data through the access stratum.
Control plane is used for signalling or control messages and User plane is used for traffic or user path.
