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Content for  TS 29.272  Word version:  17.1.0

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1  ScopeWord‑p. 11

The present document describes the Mobility Management Entity (MME) and Serving GPRS Support Node (SGSN) related diameter-based interfaces towards the Home Subscriber Server (HSS) or the CSG Subscriber Server (CSS), and the MME and the SGSN related diameter-based interface towards the Equipment Identity Register (EIR).
This specification defines the Diameter application for the MME-HSS, S6a reference point, for the MME-CSS, S7a reference point, for the SGSN-HSS, S6d reference point, and for the SGSN-CSS, S7d reference point. The interactions between the HSS/CSS and the MME/SGSN are specified, including the signalling flows.
This specification defines the Diameter application for the MME-EIR, S13 reference point, and for the SGSN-EIR, S13' reference point. The interactions between the MME/SGSN and the EIR are specified, including the signalling flows.
In this specification, if there is no specific indication, the following principles apply:
  • "SGSN" refers to an SGSN which at least supports the S4 interface and may support Gn and Gp interfaces.
  • "S4-SGSN" refers to an SGSN which supports the S4 interface and does not support Gn and Gp interfaces.
  • Gn/Gp-SGSN refers to an SGSN which supports the Gn and Gp interfaces and does not support S4 interface.
  • "GPRS subscription data" refers to the parameters in the HLR column in Table 5.2. in TS 23.008.
  • "EPS subscription data" refers to the parameters in the HSS column in Table 5.2A-1 in TS 23.008.
The Evolved Packet System stage 2 description (architecture and functional solutions) is specified in TS 23.401 and in TS 23.060.
SGSN CAMEL Subscription Data are not supported over S6d interface.
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2  References

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 23.401: "GPRS enhancements for E-UTRAN access ".
[3]
TS 23.003: "Numbering, addressing and identification".
[4]  Void.
[5]
TS 33.401: "3GPP System Architecture Evolution: Security Architecture".
[6]  Void".
[7]
RFC 2234:  "Augmented BNF for syntax specifications".
[8]
TS 32.299: "Charging management; Diameter charging applications".
[9]
TS 29.229: "Cx and Dx interfaces based on the Diameter protocol".
[10]
TS 29.212: "Policy and Charging Control (PCC); Reference points".
[11]
TS 29.214: "Policy and Charging Control over Rx reference point".
[12]
TS 23.060: "General Packet Radio Service (GPRS); Service description; Stage 2".
[13]
TS 22.016: "International Mobile station Equipment Identities (IMEI)".
[14]
RFC 4960:  "Stream Control Transmission Protocol".
[15]  Void
[16]
TS 33.210: "3G Security; Network Domain Security; IP Network Layer Security"..
[17]
TS 29.228: "IP multimedia (IM) Subsystem Cx and Dx Interfaces; Signalling flows and Message Elements".
[18]
TS 33.102: "3G Security; Security Architecture".
[19]
TS 36.413: "Evolved Universal Terrestrial Radio Access Network (E-UTRAN); S1 Application Protocol (S1AP)".
[20]
RFC 5778:  "Diameter Mobile IPv6: Support for Home Agent to Diameter Server Interaction".
[21]
TS 29.061: "Interworking between the Public Land Mobile Network (PLMN) supporting packet based services and Packet Data Networks (PDN)".
[22]
TS 32.298: "Charging Management; CDR parameter description".
[23]
TS 32.422: "Telecommunication management; Subscriber and equipment trace; Trace control and configuration management".
[24]
TS 29.002: "Mobile Application Part (MAP) specification".
[25]
TS 29.329: "Sh Interface based on the Diameter protocol".
[26]
RFC 5447:  "Diameter Mobile IPv6: Support for Network Access Server to Diameter Server Interaction".
[27]
RFC 4004:  "Diameter Mobile IPv4 Application".
[28]
3GPP2 A.S0022: "Interoperability Specification (IOS) for Evolved High Rate Packet Data (eHRPD) Radio Access Network Interfaces and Interworking with Enhanced Universal Terrestrial Radio Access Network (E-UTRAN)".
[29]
TS 23.011: "Technical realization of Supplementary Services - General Aspects".
[30]
TS 23.008: "Organization of subscriber data".
[31]
TS 24.008: "Mobile radio interface Layer 3 specification; Core network protocols; Stage 3".
[32]
RFC 5516:  "Diameter Command Code Registration for Third Generation Partnership Project (3GPP) Evolved Packet System (EPS)".
[33]
TS 32.251: "Telecommunication management; Charging management; Packet Switched (PS) domain charging".
[34]
TS 23.292: "IP Multimedia Subsystem (IMS) centralized services ".
[35]
TS 23.216: "Single Radio Voice Call Continuity (SRVCC)".
[36]
TS 23.015: "Technical realization of Operator Determined Barring (ODB)".
[37]
TS 29.173: "Diameter-based SLh interface for Control Plane LCS".
[38]
TS 29.303: "Domain Name System Procedures; Stage 3".
[39]
TS 29.060: "General Packet Radio Service (GPRS); GPRS Tunnelling Protocol (GTP) across the Gn and Gp Interface".
[40]
TS 36.300: "Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Overall description; Stage 2".
[41]
ITU-T Recommendation E.164: "The international public telecommunication numbering plan".
[42]
TS 22.042: "Network Identity and TimeZone (NITZ); Service description; Stage 1".
[43]
TS 23.007: "Restoration procedures".
[44]
TS 23.272: "Circuit Switched (CS) fallback in Evolved Packet System (EPS); Stage 2".
[45]
TS 29.010: "Information element mapping between Mobile Station - Base Station System (MS - BSS) and Base Station System - Mobile-services Switching Centre (BSS - MSC)".
[46]
TS 29.118: "Mobility Management Entity (MME) -Visitor Location Register (VLR)SGs interface specification ".
[47]
TS 29.172: "Evolved Packet Core (EPC) LCS Protocol (ELP) between the Gateway Mobile Location Centre (GMLC) and the Mobile Management Entity (MME)".
[48]
TS 29.338: "Diameter based protocols to support Short Message Service (SMS) capable Mobile Management Entities (MMEs)".
[49]
TS 29.344: "Proximity-services (ProSe) Function to Home Subscriber Server (HSS) aspects; Stage 3".
[50]
RFC 7683:  "Diameter Overload Indication Conveyance".
[51]
TS 23.380: "IMS Restoration Procedures".
[52]
TS 22.153: "Multimedia Priority Service".
[53]
TS 23.221: "Architectural requirements".
[54]
TS 29.336: "Home Subscriber Server (HSS) diameter interfaces for interworking with packet data networks and applications".
[55]
TS 23.682: "Architecture enhancements to facilitate communications with packet data networks and applications ".
[56]
TS 29.217: "Congestion reporting over Np reference point".
[57]
RFC 7944:  "Diameter Routing Message Priority".
[58]
TS 43.020: "Security related network functions".
[59]
TS 29.273: "Evolved Packet System (EPS); 3GPP EPS AAA interfaces".
[60]
RFC 8583:  "Diameter Load Information Conveyance".
[61]
RFC 6733:  "Diameter Base Protocol".
[62]
TS 36.331: "Evolved Universal Terrestrial Radio Access (E-UTRA); Radio Resource Control (RRC); Protocol specification".
[63]
TS 29.128: "Mobility Management Entity (MME) and Serving GPRS Support Node (SGSN) interfaces for interworking with packet data networks and applications".
[64]
TS 24.301: "Non-Access-Stratum (NAS) protocol for Evolved Packet System (EPS); Stage 3".
[65]
TS 36.423: "Evolved Universal Terrestrial Radio Access Network (E-UTRAN); X2 Application Protocol (X2AP)".
[66]
TS 29.503: "Unified Data Management Services".
[67]
TS 23.502: "Procedures for the 5G System; Stage 2".
[68]
TS 23.287: "Architecture enhancements for 5G System (5GS) to support Vehicle-to-Everything (V2X) services".
[69]
TS 23.501: "System Architecture for the 5G System; Stage 2".
[70]
TS 29.563: "5G System; Home Subscriber Server (HSS) services for interworking with Unified Data Management (UDM); Stage 3".
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3  Definitions and abbreviationsWord‑p. 14

3.1  Definitions

For the purposes of the present document, the terms and definitions given in TR 21.905 and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in TR 21.905.
CSG subscription data from CSS:
It identifies the CSG subscription data that a MME or a SGSN has received from a CSS for a subscriber identified by its IMSI.
CSG subscription data from HSS:
It identifies the CSG subscription data that a MME or a SGSN has received from a HSS for a subscriber identified by its IMSI.
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3.2  Abbreviations

For the purposes of the present document, the abbreviations given in TR 21.905 and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in TR 21.905.
AVP
Attribute Value Pair
C
Conditional
CSS
CSG Subscriber Server
DCN
Dedicated Core Network
DRMP
Diameter Routing Message Priority
DSCP
Differentiated Services Code Point
EIR
Equipment Identity Register
ESM
EPS Session Management
HSS
Home Subscriber Server
IAB
Integrated Access and Backhaul
IE
Information Element
LAA
Licensed Assisted Access
LWA
LTE/WLAN Aggregation
LWIP
LTE/WLAN Radio Level Integration with IPsec Tunnel
M
Mandatory
MME
Mobility Management Entity
NR
New Radio
O
Optional
ODB
Operator Determined Barring
SCEF
Service Capability Exposure Function
URRP-MME
User Reachability Request Parameter for MME
URPP-SGSN
User Reachability Request Parameter for SGSN
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4  General DescriptionWord‑p. 15

This document describes the S6a/S6d and S13/S13' interfaces related procedures, message parameters and protocol specifications.
The procedures, message parameters and protocol are similar between S6a and S6d. S6a is used for location changes of the MME, while S6d is for location changes of the SGSN. Refer to clause 5 for the differences, especially clause 5.2.1.
The procedures, message parameters and protocol are identical as for the S13 and S13'. See clause 6 for details.
In the tables that describe the Information Elements transported by each Diameter command, each Information Element is marked as (M) Mandatory, (C) Conditional or (O) Optional in the "Cat." column. For the correct handling of the Information Element according to the category type, see the description detailed in clause 6 of TS 29.228.
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