name: SGW
full_form: Serving and Packet Data Network Gateway
context: The Create Indirect Data Forwarding Tunnel Request message shall be sent on the S11/S4 interface by the MME/SGSN to the SGW as part of the Handover procedures or TAU/RAU procedure with Serving GW change and data forwarding as specified in clause 5.3.3.1A of 3GPP TS 23.401[ General Packet Radio Service (GPRS) enhancements for Evolved Universal Terrestrial Radio Access Network (E-UTRAN) access ]  [3]. Table 7.2.18-1 specifies the presence requirements and the conditions of the IEs in the message. Table 7.2.18-1: Information Elements in a Create Indirect Data Forwarding Tunnel Request Table -2: Bearer Context within Create Indirect Data Forwarding Tunnel Request
description: The Serving and Packet Data Network Gateway (SGW) is a critical network function within the Evolved Packet Core (EPC) architecture, responsible for managing data forwarding and tunneling between different network elements. It plays a key role in handover procedures and tracking area updates (TAU)/routing area updates (RAU) with serving gateway changes, ensuring seamless data transmission across the network.
explanation: SGW is classified as a Network Function because it serves as an intermediary for data forwarding and tunneling between various network components, such as the Mobility Management Entity (MME)/Serving GPRS Support Node (SGSN), aligning with the 3GPP's specifications for efficient packet data transmission in the EPC.
section_title: 7.2.18 Create Indirect Data Forwarding Tunnel Request
biotag_Context: O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,B-Network Function,O,O,O,O,B-Procedure,O,O,O,O,O,O,B-Network Function,O,O,O,O,O,O,O,O,O,O,B-Organization,B-Specification,O,B-Technology,I-Technology,I-Technology,I-Technology,O,O,O,B-Network,I-Network,I-Network,I-Network,I-Network,I-Network,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O
biotag_Description: O,B-Network Function,I-Network Function,I-Network Function,I-Network Function,I-Network Function,I-Network Function,O,O,O,O,O,O,O,O,B-Network,I-Network,I-Network,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O