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GPRS : General Packet Radio System - page 4 / 20

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Networks: L17

4

Protocol stack :

GTP : GPRS Tunnelling Protocol – tunnels user data and signalling between GPRS support nodes in the GPRS backbone network

TCP : carries GTP PDUs in the GPRS backbone network for protocols that need a reliable data link; UDP for protocols not needing a reliable link

IP : the GPRS backbone network protocol for user data and control signalling

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