Telematics, covering scientific and technological field of considerable breadth, encompassing the study, design, management and implementation of network and communications services for the transportation, storage and processing of any information (data, voice, video, etc.), including the analysis and design of switching systems and technologies. Telematics includes among other items the following functional levels:
The user plane, where it is distributed and processed information services and end uses;
The signaling and control plane, where it is distributed and process control information system itself and its interaction with users;
The management plane, where it is distributed processes information and operating and system management and services, and their interaction with the network operators.
Each of the planes is structured protocol entities called subsystems, which in turn is located by its functionality at various levels.
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