Diameter Interfaces List
Diameter Interfaces list Base Protocol – IETF RFC 3588
Interface | Network Location | Supported version |
Diameter Commands for 3GPP | IETF RFC 3589 | |
Diameter Credit Control App | IETF RFC 4006 | |
NASREQ Support for Network Access Server | IETF RFC 4005 | |
EAP Support for Extensible Authentication Protocol | IETF RFC 4072 | |
Mobile IPv4 Support for Diameter Mobile IPv4 | IETF RFC 4004 | |
Diameter Mobile IPv6 | IETF RFC 5447 | |
Diameter SIP Application | IETF RFC 4740 | |
Re interface | Between OCF and Rating function | 3GPP TS 32.296 |
Rx+ interface | Rx reference point for EPC | 3GPP TS 32820, 3GPP TS 23.203 & TS 29.214 |
Gy interface | Between OCS and PCEF | 3GPP TS 32.29, TS 32.251 & RFC 4006 |
Gz interface | Between PCEF and OFCS | 3GPP TS 32.240, TS 32.295 |
Gq interface | Between AF and PDF | 3GPP TS 29.209 |
Gi interface | Between Packet Domain and an external packet data network | 3GPP TS 29.061 |
SGi interface | between the EPC based PLMN and the packet data network | 3GPP TS 29.061 |
Dz interface | Between BSF and SLF | 3GPP TS 29.109 & TS 33.220 |
Zn interface | Between BSF and NAF | 3GPP TS 29.109 & TS 33.220 |
Zn’ interface | Between BSF and Zn Proxy | 3GPP TS 29.109 & TS 33.220 |
Gmb interface | Between GGSN and BM-SC | 3GPP TS 29.061 |
Mz interface | Mz is the roaming variant of the Gmb reference point with the same functionality | 3GPP TS 29.061 |
Bi interface | CCF to BS | 3GPP TS TS 32.225 |
MM10 interface | Multimedia Messaging Service (MMS) | OMA MM10 interface |
S13 interface | Between MME and EIR | 3GPP TS 29.272 |
Gxb interface | Between ePDG and vPCRF | 3GPP TS 23.203 |
SWn interface | Between Untrusted Non-3GPP IP Access and ePDG | 3GPP TS 23402 |
Gq’ interface | Between AF and RACS | ETSI TS 183.017 |
E2 interface | Between AF and NASS | ETSI TS 283 035 |
E4 interface | Between NASS and RACS | ETSI TS 283 034 |
E5 interface | Between UAAF – UAAF | ETSI TS 282 004 |
Re interface | Between RCEF and RACS | ETSI TS 183 060 |
A3 interface | Between UAAF and AMF | ETSI TS 282 004 |
A4 interface | Between CLF and UAAF | ETSI TS 282 004 |
Rr interface | x-RACF | 03196-NGN-R3 |
Zh interface | Generic Authentication Architecture (GAA) | PKT-SP-29.109 |
Zn interface | Generic Authentication Architecture (GAA) | PKT-SP-29.109 |
CSCF- SLF | PKT-SP-29.229 | |
pkt-laes-2 interface | Session Control Element — DF (electronic surveillance requirements) | |
pkt-mm-2 interface | Policy Server — CMTS | 3GPP TS 29.212 & TS 23.203 |
TC-6 | Based on 3GPP Rx | MSF-IA-DIAMETER.010-FINAL |
TC-7 | Based on 3GPP Ty | MSF-IA-DIAMETER.014-FINAL |
TC-8 | Based on 3GPP Tx | MSF-IA-DIAMETER.013-FINAL |
TC-9 | Based on 3GPP Rq | MSF-IA-DIAMETER.005-FINAL |
TC-10 | Based on 3GPP Gx | MSF-IA-DIAMETER.012-FINAL |
TC-11 | Based on 3GPP e4 | MSF-OA-DIMATER.011-FINAL |
DB-0 | Based on 3GPP Cx/Dx | MSF-IA-DIAMETER.006-FINAL |
DB-2 | Based on 3GPP Sh/Dh | MSF-IA-DIAMETER.003-FINAL |
BI-1 | Based on 3GPP Rf | MSF-IA-BILLING.001-FINAL |
Diameter Interfaces
Diameter AS Interfaces
Sh interface
Between AS and HSS, Subscription and Authentication Data – IMS
3GGP TS 29.328 & TS 29.329
Dh interface
Between AS and SLF
3GPP TS 29.328 & TS 29.329
Ro interface
Between AS and OCS, online charging in IMS & LTE
RFC 4006
3GPP TS 32.225 & TS 32.299
Rf interface
Between AS and OFCS
RFC 4006
3GGP TS 32.225 & TS 32.299
Diameter HSS Interfaces
Cx interface
Between CSCF and HSS
3GPP TS 29.228 & TS29.229
Zh interface
Between BSF and HSS
3GPP TS 29.109 & TS 33.220
Zh’ interface
Between BSF and HSS (used between operators)
3GPP TS 29.109 & TS 33.220
Wx interface
Between the 3GPP AAA Server and the HSS
3GPP TS 29.234
S6a interface
Between MME and HSS
3GPP TS 29.272
S6d interface
Between MME and HSS
3GPP TS 29.272
Diameter PCRF Interfaces
Sp interface
Between PCRF and SPR
3GPP TS 23.203, TS 29.328 & TS 29.329
Rx interface
Between AF and the PCRF
3GPP TS 23.203 & TS 29.214
Gx interface
Between PCEF and the PCRF
3GPP TS 29.212 & TS 23.203
Ty interface
Between AGW and PCRF
3GPP2 TSG-X X.S0013-014
Tx interface
Between AF and PCRF
3GPP2 TSG-X X.S0013-013
S7c interface
Transfer of (QoS) policy information from PCRF to the S-GW.
3GPP TS 32820, TS 23402
S9 interface
Between PCRF in the HPLMN (H‑PCRF) and a PCRF in the VPLMN (V‑PCRF)
3GPP TS 23.203 & TS 29.215
Gxa interface
PCRF and the BBERF
3GPP TS 23.203
Gxb interface
Between ePDG and vPCRF
3GPP TS 23.203
Diameter CSCF Interfaces
Dx interface
Between CSCF and SLF
3GPP TS 29.228 & TS29.229
P-CSCF- PAM Interface
Between P-CSCF – PAM
PKT-SP-QOS-I02-080425
3GPP TS 23.203 & TS 29.214
Diameter 3GPP AAA Interfaces
Dw interface
Between the 3GPP AAA Server and an SLF
3GPP TS 29.234
Wa interface
Between the WLAN AN and the 3GPP AAA Proxy
3GPP TS 29.234
Wd interface
Between the 3GPP AAA Proxy and 3GPP AAA Server
3GPP TS 29.234
Wm interface
Between the 3GPP AAA Server and the PDG
3GPP TS 29.234
Wg interface
Between the 3GPP AAA Server/Proxy and the WAG
3GPP TS 29.234
Pr interface
Between the 3GPP AAA Server and the PNA
3GPP TS 29.234
Wm interface
Between the 3GPP AAA Server and the PDG
3GPP TS 29.234
SWa interface
Between an un-trusted non-3GPP IP access and the 3GPP AAA Server/Proxy
3GPP TS 23402
SWd interface
Between the 3GPP AAA Proxy and 3GPP AAA Server
3GPP TS 23402
SWm interface
Between the 3GPP AAA Server/Proxy and the ePDG
3GPP TS 23402
SWx interface
Between the 3GPP AAA Server and the HSS
3GPP TS 23402
STa interface
Between a trusted non-3GPP IP access and the 3GPP AAA Server/Proxy
3GPP TS 23402
H2 interface
Between the 3GPP AAA Server and the HA
3GPP TS 23402
Rs interface
Between Service Control Physical Entity (SC-PE) and Resource and Admission Control Physical Entity (RAC-PE)
ITU Q.3301
Rw interface
Decision Physical Entity (PD-PE) and the Policy Enforcement Physical Entity (PE-PE)
ITU Q.3303.3
LOC-1 Interface
Based on 3GPP e2 – MSF-IA.DIAMETER.008-FINAL
Lawful Interception
Pkt-laes-2 interface
Session Control Element — DF (electronic surveillance requirements)
PKT-SP-ES-INF-I01
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