name: SGW
full_form: Signalling GateWay
context: include the Trace Reference to identify the Trace Session that is to be deactivated. When SGW receives an S11-Trace Session Deactivation message from the MME, the SGW may choose to continue the Trace Recording Session until it ends gracefully or may stop it immediately. In all cases, the SGW shall deactivate the requested Trace Session immediately at the end of the Trace Recording Session. If SGW deactivates the Trace Session during the Trace Recording Session, the SGW should deactivate the trace at the PDN GW by sending the S5-Trace Session Deactivation message to the PGW via the GTP based S5 interface. In case of PMIP based S5 interface the SGW should deactivate the trace to the PDN GW using PCC signalling, i.e. by sending a Trace Deactivation message to the PCRF and PCRF forwards the trace deactivation message to the PDN GW [29].When the SGW deactivates the Trace Session, it shall delete all trace control and configuration parameters associated with the corresponding Trace Session.
description: The Signalling GateWay (SGW) is a network function responsible for managing signalling traffic between different network elements in the Evolved Packet Core (EPC). It plays a crucial role in controlling and configuring trace sessions, as well as deactivating them when necessary.
explanation: The text explicitly states that SGW is a network function within the EPC. Its responsibilities include managing signaling traffic and controlling trace sessions, which are typical functions of network functions.
section_title: 4.1.4.7EPC deactivation mechanisms
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biotag_Description: O,B-Network Function,I-Network Function,O,O,O,O,O,O,O,O,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