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Content for  TS 29.273  Word version:  17.1.0

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0  IntroductionWord‑p. 12

The present specification details the stage 3 work related to all 3GPP AAA reference points used by the different non-3GPP accesses included in EPS.

1  ScopeWord‑p. 13

The present document defines the stage-3 protocol description for several reference points for the non-3GPP access in EPS.
The present document is applicable to:
  • The SWa reference point between an un-trusted non-3GPP IP access and the 3GPP AAA Server/Proxy.
  • The STa reference point between a trusted non-3GPP IP access and the 3GPP AAA Server/Proxy.
  • The SWd reference point between the 3GPP AAA Proxy and 3GPP AAA Server.
  • The SWx reference point between the 3GPP AAA Server and the HSS.
  • The S6b reference point between the 3GPP AAA Server/Proxy and the PDN GW.
  • The SWm reference point between the 3GPP AAA Server/Proxy and the ePDG.
  • The reference point between the 3GPP AAA Server/Proxy and the EIR.
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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]
RFC 5779:  "Diameter Proxy Mobile IPv6: Mobility Access Gateway and Local Mobility Anchor Interaction with Diameter Server ".
[3]
TS 23.402: "Architecture enhancements for non-3GPP accesses".
[4]
RFC 4005:  "Diameter Network Access Server Application"
[5]
RFC 4072:  "Diameter Extensible Authentication Protocol (EAP) Application"
[6]
RFC 5447  "Diameter Mobile IPv6: Support for Network Access Server to Diameter Server Interaction".
[7]  Void.
[8]
RFC 3748:  "Extensible Authentication Protocol (EAP)".
[9]
RFC 5777:  "Traffic Classification and Quality of Service (QoS) Attributes for Diameter".
[10]  Void
[11]
RFC 5778:  "Diameter Mobile IPv6: Support for Home Agent to Diameter Server Interaction".
[12]  Void
[13]
TS 24.303: "Mobility management based on Dual-Stack Mobile IPv6; Stage 3".
[14]
TS 23.003: "Numbering, addressing and identification".
[15]
RFC 4282:  "The Network Access Identifier".
[16]
TS 33.203: "3G security; Access security for IP-based services".
[17]
TS 29.230: "Diameter applications; 3GPP specific codes and identifiers".
[18]
RFC 4004:  "Diameter Mobile IPv4 Application".
[19]
TS 33.402: "3GPP System Architecture Evolution (SAE); Security aspects of non-3GPP accesses".
[20]
RFC 4006:  "Diameter Credit-Control Application".
[21]  Void.
[22]
TS 29.228: "IP multimedia (IM) Subsystem Cx and Dx Interfaces; Signalling flows and Message Elements".
[23]
TS 29.212: "Policy and Charging Control (PCC); Reference points".
[24]
TS 29.229: "Cx and Dx interfaces based on the Diameter protocol; Protocol details".
[25]
3GPP2 X. S0057-B: "EUTRAN - eHRPD Connectivity and Interworking: Core Network Aspects".
[26]
TS 24.302: "Access to the 3GPP Evolved Packet Core (EPC) via non-3GPP access networks".
[27]
RFC 5448:  "Improved Extensible Authentication Protocol Method for 3rd Generation Authentication and Key Agreement (EAP-AKA')".
[28]
RFC 6611:  "Mobile IPv6 (MIPv6) Bootstrapping for the Integrated Scenario".
[29]
TS 29.272: "Evolved Packet System; MME and SGSN Related Interfaces Based on Diameter Protocol".
[30]
TS 32.299: "Charging management; Diameter charging applications".
[31]
TS 29.061: "Interworking between the Public Land Mobile Network (PLMN) supporting packet based services and Packet Data Networks (PDN)".
[32]
TS 32.422: "Telecommunication management; Subscriber and equipment trace; Trace control and configuration management".
[33]  Void.
[34]
TS 29.303: "Domain Name System Procedures; Stage 3".
[35]
RFC 1035:  "Domain Names - Implementation and Specification".
[36]  Void.
[37]
RFC 5729:  "Clarifications on the Routing of Diameter Requests Based on the Username and the Realm".
[38]
TS 29.274: "3GPP Evolved Packet System (EPS); Evolved General Packet Radio Service (GPRS) Tunnelling Protocol for Control plane (GTPv2-C); Stage 3".
[39]
TS 23.139: "3GPP System-Fixed Broadband Access Network Interworking; Stage 2".
[40]
IEEE Std 802.11-2012: "IEEE Standard for Information technology - Telecommunications and information exchange between systems - Local and metropolitan area networks - Specific requirements - Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications".
[41]  Void.
[42]  Void.
[43]
TS 24.139: "3GPP system - fixed broadband access network interworking".
[44]
RFC 4187:  "Extensible Authentication Protocol Method for 3rd Generation Authentication and Key Agreement (EAP-AKA)".
[45]
TS 23.203: "Policy and Charging Control Architecture".
[46]
RFC 5580:  "Carrying Location Objects in RADIUS and Diameter".
[47]
RFC 7683:  "Diameter Overload Indication Conveyance".
[48]
ETSI TS 283 034: "Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); Network Attachment Sub-System (NASS); e4 interface based on the DIAMETER protocol".
[49]
TS 23.008: "Organization of subscriber data".
[50]  Void
[51]  Void
[52]
TS 23.380: "IMS Restoration Procedures".
[53]
RFC 7944:  "Diameter Routing Message Priority".
[54]
RFC 8583:  "Diameter Load Information Conveyance".
[55]
RFC 6696:  "EAP Extensions for the EAP Re-authentication Protocol (ERP)".
[56]
RFC 6734:  "Diameter Attribute-Value Pairs for Cryptographic Key Transport".
[57]
RFC 6942:  "Diameter Support for the EAP Re-authentication Protocol (ERP)".
[58]
RFC 6733:  "Diameter Base Protocol".
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3  Definitions, symbols and abbreviationsWord‑p. 15

3.1  Definitions

3.1.1  General

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.
Multi-connection mode (MCM):
see definition in clause 3.1 of TS 23.402.
Single-connection mode (SCM):
see definition in clause 3.1 of TS 23.402.
Transparent single-connection mode (TSCM):
see definition in clause 3.1 of TS 23.402.
Trusted WLAN Identifier (TWID):
Identifier of a given Trusted WLAN, a combination of, e.g., an SSID and/or an HESSID as defined in IEEE Std 802.11-2012 [40].
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3.1.2  Handling of Information Elements

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 Category "Cat." column. For the correct handling of the Information Elements and their precedence to any included ABNF definition of the command as defined according to their category types, see the description detailed in clause 6 of TS 29.228.
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3.2  AbbreviationsWord‑p. 16

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.
AE
Authentication Extension
DRMP
Diameter Routing Message Priority
DSCP
Differentiated Services Code Point
EIR
Equipment Identity Register
EPC
Evolved Packet Core
ER
EAP Re-authentication
ERP
EAP Re-Authentication Protocol
ePDG
Evolved Packet Data Gateway
eHRPD
evolved High Rate Packet Data
FA
Foreign Agent
FACoA
FA Care-of-Address
HA
Home Agent
HBM
Host Based Mobility
HESSID
Homogenous Extended Service Set Identifier
HSGW
eHRPD Serving Gateway
LMA
Local Mobility Anchor
MAG
Mobile Access Gateway
MIPv4
Mobile IP version 4
MN
Mobile Node
NBM
Network Based Mobility
NAS
Network Access Server
PBU
Proxy Binding Update
PDN GW
PDN Gateway
PGW
PDN Gateway, the abbreviation of PDN GW
PMIP/PMIPv6
Proxy Mobile IP version 6
RRP
MIPv4 Registration Reply
RRQ
MIPv4 Registration Request
SA
Security Association
SGW
Serving Gateway
SIPTO
Selected IP Traffic Offload
SSID
Service Set Identifier
TWAN
Trusted WLAN Access Network
WLCP
Wireless LAN Control Plane Protocol
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