name: GGSN
full_form: Gateway GPRS Support Node
context: 3GPP TS 23.234 [201] depicts a PDG implementation that re-uses GGSN functionality. Existing GGSN deployments may be re-used to implement the PDG functionality via using a subset of the Gn reference point (Gnâ). A Tunnel Termination Gateway (TTG) is used to cover all aspects of the PDG that are not covered by the GGSN. In such implementation, the GGSN charging gateway interfaces are used to provide charging gateway interfaces of the PDG. The following figure depicts a PDG implementation that re-uses GGSN charging functionality. The Ga reference point between the GGSN and the CGF is used to transfer offline charging records from the PDG CDF to the CGF (Wz reference point). The Gy reference point between the GGSN and the OCS is used to transfer online charging messages between the PDG CTF and the OCS (Wy reference point). Figure B.1: PDG implementation re-using GGSN charging functionality
description: The Gateway GPRS Support Node (GGSN) is a network function that serves as an interface between the Gi reference point and other networks, supporting General Packet Radio Service (GPRS) for mobile devices. It is responsible for managing packet data transmissions and providing charging gateway interfaces.
explanation: The context explicitly mentions the GGSN's role in re-using its functionality to implement PDG (Packet Data Gateway) capabilities, highlighting its position as a network function within the telecommunications infrastructure.
section_title: B.1General
biotag_Context: B-Organization,B-Specification,O,O,O,O,B-Network Function,O,O,O,B-Network Function,O,O,B-Network Function,O,O,O,O,O,O,O,B-Network Function,O,O,O,O,O,O,O,B-Network,O,O,O,O,O,O,B-Network Function,O,O,O,O,O,O,O,O,O,B-Network Function,O,O,O,O,O,O,O,O,O,O,O,B-Network Function,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,B-Network Function,O,O,O,B-Network Function,O,O,O,O,O,O,O,O,B-Network Function,O,O,B-Network Function,O,O,O,O,O,O,O,O,O,B-Network Function,B-Network Function,O,O,B-Network Function,O,O,O,O,O,O,O,O,O,B-Network Function,O,O,B-Network Function,O,O,O,O,O,O,O,O,O,B-Network Function,B-Network Function,O,O,B-Network Function,O,O,O,O,O,B-Network Function,O,O,B-Network Function,O,O
biotag_Description: O,B-Network Function,I-Network Function,I-Network Function,I-Network Function,O,O,O,O,O,O,O,O,O,O,O,O,B-Interface,O,O,O,O,O,O,B-Technology,I-Technology,I-Technology,I-Technology,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O