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Content for  TS 23.008  Word version:  18.1.0

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0  Scopep. 17

The present document provides details concerning information to be stored in the different entities storing data within a 3GPP network concerning mobile subscriber. A list of entities storing subscriber data is provided in Clause 1.
Clause 2 contains all details concerning the definition of the parameters, often given by reference to other specifications, and where the parameter is to be stored.
Table 1 in Clause 3 gives a summary overview and Clause 4 identifies the reference information required for accessing the information.
In this specification, if there is no specific indication, the following principles apply:
  • "SGSN" refers to an SGSN which may support the Gn and Gp interfaces or the S4 interface or both.
  • "S4-SGSN" refers to an SGSN which only supports the S4 interface.
  • "Gn/Gp-SGSN" refers to an SGSN which only supports the Gn and Gp interfaces.
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0.1  Referencesp. 17

The following documents contain provisions which, through reference in this text, constitute provisions of the present document.
  • References are either specific (identified by date of publication, edition number, version number, etc.) or non-specific.
  • For a specific reference, subsequent revisions do not apply.
  • For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same Release as the present document.
[1]
TR 21.905: "Vocabulary for 3GPP Specifications".
[2]
TS 22.002: "Circuit Bearer Services (BS) supported by a Public Land Mobile Network (PLMN)".
[3]  Void
[4]  Void
[5]
TS 23.003: "Numbering, addressing and identification".
[6]
TS 23.007: "Restoration procedures".
[7]
TS 23.009: "Handover procedures".
[8]
TS 23.012: "Location Management Procedures".
[9]
TS 23.015: "Technical realization of Operator Determined Barring (ODB)".
[10]
TS 23.040: "Technical realization of the Short Message Service (SMS)".
[11]
TS 22.060: "General Packet Radio Service (GPRS); Service description; Stage 1".
[12]
TS 23.067: "Enhanced Multi-Level Precedence and Preemption service (EMLPP); Stage 2".
[13]  Void
[14]
TS 23.081: "Line identification supplementary services; Stage 2".
[15]  Void
[16]  Void
[17]  Void
[18]
TS 23.085: "Closed User Group (CUG) Supplementary Service; Stage 2".
[19]  Void
[20]  Void
[21]
TS 23.060: "General Packet Radio Service (GPRS); Service Description; Stage 2".
[22]  Void
[23]  Void
[24]  Void
[25]
TS 23.135: "Multicall supplementary service; Stage 2"
[26]
TS 24.008: "Mobile radio interface Layer 3 specification; Core network protocols; Stage 3".
[27]
TS 29.002: "Mobile Application Part (MAP) specification".
[28]
TS 29.007: "General requirements on interworking between the Public Land Mobile Network (PLMN) and the Integrated Services Digital Network (ISDN) or Public Switched Telephone Network (PSTN)".
[29]
TS 29.060: "General Packet Radio Service (GPRS); GPRS Tunnelling Protocol (GTP) across the Gn and Gp interface".
[30]
TS 42.032: "Digital cellular telecommunications system (Phase 2+); Immediate Service Termination (IST) Service description - Stage 1".
→ to date, withdrawn by 3GPP
[31]
TS 43.020: "Digital cellular telecommunications system (Phase 2+); Security-related network functions".
[32]
TS 43.035: "Digital cellular telecommunications system (Phase 2+); Immediate Service Termination (IST); Stage 2".
→ to date, withdrawn by 3GPP
[33]
TS 43.068: "Digital cellular telecommunications system (Phase 2+); Voice Group Call Service (VGCS); Stage 2".
[34]
TS 43.069: "Digital cellular telecommunications system (Phase 2+); Voice Broadcast Service (VBS); Stage 2".
[35]
TS 23.071: "Location Services (LCS); Functional Description; Stage 2".
→ to date, withdrawn by 3GPP
[36]
GSM 12.03: "Digital cellular telecommunications system (Phase 2+) (GSM); Security management".
[37]
TS 52.008: "GSM Subscriber and equipment trace".
[38]
ITU-T Recommendation Q.763: "Signalling System No. 7 - ISDN User Part formats and codes".
[39]
ANSI T1.113: "Signalling System No7 (SS7); Integrated Services Digital Network (ISDN) User Part"
[40]
TS 32.250: "Telecommunication Management; Charging management; Circuit Switched (CS) domain charging".
[41]
TS 32.251: "Telecommunication Management; Charging management; Packet Switched (PS) domain charging".
[42]
TS 23.228: "IP Multimedia Subsystem (IMS); Stage 2".
[43]
TS 29.228: "IP Multimedia (IM) Subsystem Cx and Dx interfaces; Signalling flows and message contents".
[44]
TS 29.229: "Cx and Dx Interfaces based on the Diameter protocol; Protocol details".
[45]
RFC 3261:  "SIP: Session Initiation Protocol".
[46]
RFC 2396:  "Uniform Resource Identifiers (URI): Generic Syntax".
[47]  Void
[48]
RFC 4282:  "The Network Access Identifier".
[49]
TS 33.203: "3G security; Access security for IP-based services".
[50]
TS 23.002: "Network Architecture".
[51]
RFC 3588:  "Diameter Base Protocol".
[52]
TS 33.102: "3G Security; Security Architecture".
[53]
TS 23.218: "IP Multimedia (IM) session handling; IM call model; Stage 2".
[54]
TS 29.328: "IP Multimedia Subsystem (IMS) Sh interface signalling flows and message contents".
[55]  Void
[56]
TS 23.271: "Location Services (LCS); Functional description; Stage 2".
[57]
TS 23.221: "Architectural requirements ".
[58]
TS 33.220: "Generic Authentication Architecture (GAA);Generic bootstrapping architecture".
[59]
TS 29.109: "Zh and Zn Interfaces based on the Diameter protocol; Protocol details".
[60]
RFC 3548:  "The Base16, Base32, and Base64 Data Encodings".
[61]
TS 23.251: "Network Sharing; Architecture and Functional Description".
[62]
TS 23.234: Release 12: "3GPP Systen to WLAN Interworking System Description, Stage 2".
[63]
TS 29.234: Release 11: "3GPP system to Wireless Local Area Network (WLAN), Stage 3".
[64]
TS 32.422: "Subscriber and equipment trace: Trace control and configuration management".
[65]
TS 32.421: "Subscriber and equipment trace: Trace concepts and requirements".
[66]
TS 32.252: Release 11: "Telecommunication management; Charging management; Wireless Local Area Network (WLAN) charging".
[67]
TS 32.299: "Telecommunication management; Charging management; Diameter charging applications".
[68]
TS 24.229: "IP Multimedia Call Control Protocol based on SIP and SDP - stage 3"
[69]  Void
[70]
TS 23.018: "Basic call handling; Technical realization".
[71]
TS 23.292: "IP Multimedia Subsystem (IMS) Centralized Services"
[72]  Void
[73]
TS 33.401: "3GPP System Architecture Evolution (SAE); Security architecture"
[74]
TS 23.401: "General Packet Radio Service (GPRS) enhancements for Evolved Universal Terrestrial Radio Access Network (E-UTRAN) access"
[75]
TS 29.274: "Evolved GPRS Tunneling Protocol for Control Plane"
[76]
TS 32.298: "Telecommunication Management; Charging Management; Charging Data Record (CDR) parameter classification."
[77]
TS 23.402: "Architecture enhancements for non-3GPP accesses "
[78]
TS 29.273: "3GPP EPS AAA Interfaces"
[79]
TS 29.275: "Proxy Mobile IPv6 (PMIPv6) based Mobility and Tunneling protocols"
[80]
TS 23.216: "Single Radio Voice Call Continuity (SRVCC), Stage 2"
[81]
TS 29.272: "MME Related Interfaces Based on Diameter Protocol"
[82]
TS 24.302: "Access to the 3GPP Evolved Packet Core (EPC) via non-3GPP access networks; Stage 3"
[83]
TS 29.305: "InterWorking Function (IWF) between MAP based and Diameter based interfaces"
[84]
TS 32.251: "Telecommunication management; Charging management; Packet Switched (PS) domain charging"
[85]
TS 23.246: "Multimedia Broadcast/Multicast Service (MBMS); Architecture and functional description; Stage 2".
[86]
TS 24.312: "Access Network Discovery and Selection Function (ANDSF) Management Object (MO)".
[87]
TS 23.237: "IP Multimedia Subsystem (IMS) Service Continuity; Stage 2".
[88]
TS 36.300: "Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Overall description; Stage 2".
[89]
TS 23.167: "IP Multimedia Subsystem (IMS) emergency sessions".
[90]
TS 29.212: "Policy and Charging Control (PCC); Reference points".
[91]
TS 23.139: "3GPP System-Fixed Broadband Access Network Interworking; Stage 2".
[92]
TS 33.234: Release 12: "WLAN Interworking Security".
[93]
TS 23.107: "Quality of Service (QoS) concept and architecture ".
[94]  Void
[95]
TS 23.468: "Group Communication System Enablers for LTE (GCSE_LTE); stage 2".
[96]
TS 36.331: "Evolved Universal Terrestrial Radio Access (E-UTRA); Radio Resource Control (RRC); Protocol specification".
[97]
TS 36.323: "Evolved Universal Terrestrial Radio Access (E-UTRA); Packet Data Convergence Protocol (PDCP) Specification".
[98]
TS 23.303: "Proximity-based services (ProSe); stage 2".
[99]
TS 29.344: "Proximity-services (ProSe) Function to Home Subscriber Server (HSS) aspects; Stage 3".
[100]
TS 24.334: "Proximity-services (ProSe) User Equipment (UE) to ProSe function protocol aspects; Stage 3".
[101]
TS 36.413: "Evolved Universal Terrestrial Radio Access Network; (E-UTRAN); S1 Application Protocol (S1AP)".
[102]
TS 23.682: "Architecture enhancements to facilitate communications with packet data networks and applications".
[103]
TS 29.336: "Home Subscriber Server (HSS) diameter interfaces for interworking with packet data networks and applications".
[104]
RFC 4995:  "The RObust Header Compression (ROHC) Framework".
[105]
TS 24.301: "Non-Access-Stratum (NAS) protocol for Evolved Packet System (EPS); Stage 3".
[106]
TS 29.128: "Mobility Management Entity (MME) and Serving GPRS Support Node (SGSN) interfaces for interworking with packet data networks and applications ".
[107]
TS 23.285: "Architecture enhancements for V2X services; Stage 2".
[108]
TS 29.388: "V2X Control Function to V2X Control Function to Home Subscriber Server (HSS) aspects (V4)".
[109]
TS 29.389: "Inter-V2X Control Function Signalling aspects (V6); Stage 3".
[110]
RFC 6696:  "EAP Extensions for the EAP Re-authentication Protocol (ERP)".
[111]
TS 24.323: "3GPP IP Multimedia Subsystem (IMS) service level tracing management object (MO)".
[112]
TS 23.501: "System Architecture for the 5G System; Stage 2".
[113]
TS 23.502: "Procedures for the 5G System; Stage 2"..
[114]
TS 29.503: "5G System; Unified Data Management Services"
[115]
TS 23.379: "Functional architecture and information flows to support Mission Critical Push To Talk (MCPTT); Stage 2".
[116]
TS 33.501: "Security Architecture and Procedures for 5G System".
[117]
TS 35.206: "An example algorithm set for the 3GPP authentication and key generation functions f1, f1*, f2, f3, f4, f5 and f5*; Document 2: Algorithm specification".
[118]
TS 35.231: "A second example algorithm set for the 3GPP authentication and key generation functions f1, f1*, f2, f3, f4, f5 and f5*; Document 1: Algorithm specification ".
[119]
TS 29.505: "5G System; Usage of the Unified Data Repository services for Subscription Data ".
[120]
TS 23.316: "Wireless and wireline convergence access support for the 5G System (5GS)".
[121]
TS 23.273: "5G System (5GS) Location Services (LCS); Stage 2".
[122]
RFC 7616:  "HTTP Digest Access Authentication".
[123]
RFC 4648:  "The Base16, Base32, and Base64 Data Encodings".
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0.2  Abbreviationsp. 21

For the purposes of the present document, the abbreviations listed in TR 21.905 apply.
GEO
Geosynchronous Orbit
LEO
Low Earth Orbit
MEO
Medium Earth Orbit
NCGI
NR Cell Global Identity
NR
New Radio
RG
Residential Gateway

1  Introductionp. 22

1.1  Definitionp. 22

The term subscriber data is used to designate all information associated with a subscription which is required for service provisions, identification, authentication, routing, call handling, GPRS mode transmission, charging, subscriber tracing, operation and maintenance purposes. Some subscriber data are referred to as permanent subscriber data, i.e. they can only be changed by administration means. Other data are temporary subscriber data which may change as a result of normal operation of the system.
Unless shown to be conditional, all data items are considered to be mandatory.
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1.2  Storage facilitiesp. 22

This specification considers subscriber data stored by the following types of network functions:
  • Home subscriber server (HSS) which contains all permanent subscriber data and all relevant temporary subscriber data to support the call control and session management entities of the different Domains and Subsystems.
  • Home location register (HLR) which contains all permanent subscriber data and all relevant temporary subscriber data for all mobile subscribers permanently registered in the HLR for CS and PS Domains.
  • CSG subscriber server (CSS) which contains Closed Subscriber Group information data for inbound roaming UEs to enable VPLMN autonomous CSG roaming in CS and PS domains.
  • Visitor location register (VLR) which contains all subscriber data required for call handling and other purposes for mobile subscribers currently located in the area controlled by the VLR.
  • Serving GPRS Support Node (SGSN) which contains all subscriber data required for GPRS mode transmission and other purposes for mobile subscribers currently located in the area controlled by the SGSN.
  • Gateway GPRS Support Node (GGSN) which contains all subscriber data required for GPRS mode transmission for mobile subscribers using any service provided by the GGSN.
  • Mobility Management Entity (MME) which contains all subscriber data required for EPS mode transmission and other purposes for mobile subscribers currently located in the area controlled by the MME.
  • Serving GW (S-GW) which contains all subscriber data required for EPS mode transmission for mobile subscribers currently served by the S-GW.
  • PDN GW (P-GW) which contains all subscriber data required for EPS mode transmission for mobile subscribers using any service provided by the P-GW.
  • ePDG which contains all subscriber data required for EPS mode transmission for mobile subscribers currently served by the ePDG via a non 3GPP access.
  • Gateway Mobile Location Center (GMLC) which contains all subscriber data required for external clients of the Location Services (LCS).
  • In GSM, Serving Mobile Location Center (SMLC) which contains all LMU data required to manage location measurements in LMUs.
  • Serving Call Session Control Function (S-CSCF) which handles the session states in the IP Multimedia (IM) Subsystem. Further definition of the S-CSCF is provided in TS 23.228.
  • SUPL (Secure User Plane Location) Location Platform (SLP) provides user location information to the ProSe Function. Further information is provided in TS 23.303.
  • ProSe Function is the logical function that is used for network related actions required for Proximity services more details are provided in TS 23.303.
  • ProSe Application Server stores EPC ProSe User IDs and ProSe Function IDs and performs the mapping of Application Layer User IDs and EPC ProSe User Ids (see TS 23.303).
  • V2X Control Function is the logical function that is used for network related actions required for V2X services more details are provided in TS 23.285.
  • UDM, AMF, SMF, SMSF, AUSF and NEF in 5G System (see TS 23.501 and TS 23.502).
In addition, subscriber data may also be stored in the following functional unit:
  • Group Call Register (GCR) which contains all data required for configuration, set-up and handling of voice group and voice broadcast calls. This encompasses subscribers identities (mobile as well as fixed network) who are nominated as dispatchers for one or several groups within the area controlled by the GCR.
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1.3  Subscriber data in other functional unitsp. 23

The individual Subscriber Authentication Key Ki defined in TS 43.020 is stored in the Authentication Centre (AuC); it is also stored in the SIM and therefore available in the MS. Version numbers of algorithms A3 and A8 may also be stored in the AuC.
Bootstrapping Server Function (BSF) handles subscriber's bootstrapping information after bootstrapping procedure in Generic Authentication Architecture (GAA) system. A bootstrapping procedure creates security association between an UE and a BSF. Using the stored user's bootstrapping information and the security association the BSF can provide security services to network application functions (NAF) contacted by the UE. Functions of the BSF are defined in TS 33.220 and TS 29.109.
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1.4  Subscriber data in WLAN-IW functional units |R6|p. 23

This specification considers subscriber data stored in the following types of functional unit for I-WLAN:
  • 3GPP AAA Server which contains all subscriber data necessary to maintain WLAN Direct IP Access and WLAN 3GPP IP Access.
  • 3GPP AAA Proxy which contains subscriber data necessary to perform AAA proxy functionality in the VPLMN and to provide charging inter operator settlement functionality.
  • Packet Data Gateway (PDG) which contains all subscriber data necessary to manage WLAN 3GPP IP Access tunnels.
  • WLAN Access Gateway (WAG) which contains all subscriber data necessary to manage a per user firewall between the WLAN-AN and PLMN and to perform per tunnel charging.
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