3 Definitions, symbols and abbreviations

29.2733GPP3GPP EPS AAA interfacesEvolved Packet System (EPS)Release 18TS

3.1 Definitions

3.1.1 General

For the purposes of the present document, the terms and definitions given in 3GPP TR 21.905 [1] and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in 3GPP TR 21.905 [1].

Multi-connection mode (MCM): see definition in clause 3.1 of 3GPP TS 23.402 [3].

Non-Seamless WLAN offload (NSWO): Non-Seamless Non-3GPP offload when the access network is WLAN.

Single-connection mode (SCM): see definition in clause 3.1 of 3GPP TS 23.402 [3].

Transparent single-connection mode (TSCM): see definition in clause 3.1 of 3GPP TS 23.402 [3].

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].

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 the 3GPP TS 29.228 [22].

3.2 Abbreviations

For the purposes of the present document, the abbreviations given in 3GPP TR 21.905 [1] and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in 3GPP TR 21.905 [1].

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

NSWO Non-Seamless WLAN offload

NSWOF Non-Seamless WLAN offload Function

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