name: DCN-ID
full_form: Data Center Network Identifier
context: The purpose of the GUTI reallocation procedure is to allocate a GUTI and optionally to provide one or more of the following to a particular UE: - a new TAI list; - a new DCN-ID; and - in WB-S1 mode, if the UE supports RACS, either a UE radio capability ID deletion indication or a UE radio capability ID. The reallocation of a GUTI is performed by the unique procedure defined in this clause. This procedure can only be initiated by the MME in state EMM-REGISTERED. The GUTI can also be implicitly reallocated at attach or tracking area updating procedures. The implicit reallocation of a GUTI is described in the clauses which specify these procedures (see clause 5.5.1 and 5.5.3). The PLMN identity in the GUTI indicates the current registered PLMN. NOTE 1: The GUTI reallocation procedure is usually performed in ciphered mode. NOTE 2: Normally, the GUTI reallocation will take place in conjunction with another mobility management procedure, e.g. as part of tracking area updating.
description: The Data Center Network Identifier (DCN-ID) is a unique identifier that can be provided to a User Equipment (UE) during the GUTI reallocation procedure. This identifier is used in conjunction with other parameters, such as the Tracking Area Identity (TAI) list and UE radio capability ID, to manage the UE's connection and mobility within the network.
explanation: DCN-ID is classified as an Identifier because it serves as a unique code assigned to a particular Data Center Network, which can be used to identify and manage the UE's connection and mobility. The context of the GUTI reallocation procedure in 3GPP TS 24.301 highlights its role in providing the DCN-ID to the UE, emphasizing its importance in network operations.
section_title: 5.4.1 GUTI reallocation procedure 5.4.1.1 General
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