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Tools Diameter Interfaces List

DIAMETER PROTOCOL INTERFACES LIST

This tool is a simple table presenting a list of interfaces used in networks based on the DIAMETER protocol. Next to each interface is a short description of what each interface is used for, and which version of the specification is supported by it. Diameter Interfaces connect between different network elements in Diameter protocol based mobile communication networks, such as 4G LTE networks. In the following table, you will find a list of interfaces and the network elements used to connect.

InterfaceNetwork locationSupported version
Diameter Base ProtocolIETF RFC 3588, 4960, 793
Diameter Commands for 3GPPIETF RFC 3589
Diameter Credit Control AppIETF RFC 4006
NASREQ Support for Network Access ServerIETF RFC 4005
EAP Support for Extensible Authentication ProtocolIETF RFC 4072
Mobile IPv4 Support for Diameter Mobile IPv4IETF RFC 4004
Diameter Mobile IPv6IETF RFC 5447
Diameter SIP ApplicationIETF RFC 4740
Sh interfaceBetween AS and HSS, Subscription and Authentication Data – IMS3GPP TS 29.328 & TS 29.329
Sd interfaceBetween PCRF and TDF (Traffic Detection Function)3GPP TS 29.212
Sy interfaceBetween PCRF and OCS/OFCS, Policy and Charging Control over Sy reference point3GPP TS 29.219
Dh interfaceBetween AS and SLF3GPP TS 29.328 & TS 29.329
Rf interfaceBetween AS and OFCS, postpaid chargingRFC 4006, 3GPP TS 32.225 & TS 32.299
Ro interfaceBetween AS and OCS, online charging in IMS & LTERFC 4006, 3GPP TS 32.225 & TS 32.299
Re interfaceBetween OCF and Rating function3GPP TS 32.296
Cx interfaceBetween CSCF and HSS, Subscription and Authentication Data – IMS3GPP TS 29.228 & TS29.229
Dx interfaceBetween CSCF and SLF3GPP TS 29.228 & TS29.229
Sp interfaceBetween PCRF and SPR3GPP TS 23.203, TS 29.328 & TS 29.329
Rx interfaceBetween AF and the PCRF, QoS and Policy3GPP TS 23.203 & TS 29.214
Gx interfaceBetween PCEF and the PCRF, QoS and Policy3GPP TS 29.212 & TS 23.203
Gy interfaceBetween OCS and PCEF, online charging3GPP TS 32.299, TS 32.251 & RFC 4006
Gz interfaceBetween PCEF and OFCS3GPP TS 32.240, TS 32.295
Gq interfaceBetween AF and PDF3GPP TS 29.209
Gi interfaceBetween Packet Domain and an external packet data network3GPP TS 29.061
SGi interfaceBetween the EPC based PLMN and the packet data network3GPP TS 29.061
Zh interfaceBetween BSF and HSS3GPP TS 29.109 & TS 33.220
Zh interfaceBetween BSF and HSS (used between operators)3GPP TS 29.109 & TS 33.220
Dz interfaceBetween BSF and SLF3GPP TS 29.109 & TS 33.220
Zn interfaceBetween BSF and NAF3GPP TS 29.109 & TS 33.220
Zn’ interfaceBetween BSF and Zn Proxy3GPP TS 29.109 & TS 33.220
Dw interfaceBetween the 3GPP AAA Server and an SLF3GPP TS 29.234
Wa interfaceBetween the WLAN AN and the 3GPP AAA Proxy3GPP TS 29.234
Wd interfaceBetween the 3GPP AAA Proxy and 3GPP AAA Server3GPP TS 29.234
Wx interfaceBetween the 3GPP AAA Server and the HSS3GPP TS 29.234
Wm interfaceBetween the 3GPP AAA Server and the PDG3GPP TS 29.234
Wg interfaceBetween the 3GPP AAA Server/Proxy and the WAG3GPP TS 29.234
Pr interfaceBetween the 3GPP AAA Server and the PNA3GPP TS 29.234
Wm interfaceBetween the 3GPP AAA Server and the PDG3GPP TS 29.234
Gmb interfaceBetween GGSN and BM-SC3GPP TS 29.061
Mz interfaceMz is the roaming variant of the Gmb reference point with the same functionality3GPP TS 29.061
Bi interfaceCCF to BS3GPP TS TS 32.225
MM10 interfaceMultimedia Messaging Service (MMS)OMA MM10 interface
Ty interfaceBetween AGW and PCRF3GPP2 TSG-X X.S0013-014
Tx interfaceBetween AF and PCRF3GPP2 TSG-X X.S0013-013
S6a interfaceBetween MME and HSS, Subscription and Authentication Data3GPP TS 29.272
S6b interfaceBetween the 3GPP AAA Server/Proxy and the PDN GW3GPP TS 23402
S6d interfaceBetween SGSN and HSS, Subscription and Authentication Data3GPP TS 29.272
S7c interfaceTransfer of (QoS) policy information from PCRF to the S-GW.3GPP TS 32820, TS 23402
S9 interfaceBetween PCRF in the HPLMN (H PCRF) and a PCRF in the VPLMN (V PCRF)3GPP TS 23.203 & TS 29.215
S13 and S13′ interfaceBetween EIR and MME/SGSN3GPP TS 29.272
Gxa interfacePCRF and the BBERF3GPP TS 23.203
Gxb interfaceBetween ePDG and vPCRF3GPP TS 23.203
Gxc interfaceBPCRF and the BBERF3GPP TS 23.203
SWa interfaceBetween an un-trusted non-3GPP IP access and the 3GPP AAA Server/Proxy3GPP TS 23402
SWd interfaceBetween the 3GPP AAA Proxy and 3GPP AAA Server3GPP TS 23402
SWn interfaceBetween Untrusted Non-3GPP IP Access and ePDG3GPP TS 23402
SWm interfaceBetween the 3GPP AAA Server/Proxy and the ePDG3GPP TS 23402
SWx interfaceBetween the 3GPP AAA Server and the HSS3GPP TS 23402
Sta interfaceBetween a trusted non-3GPP IP access and the 3GPP AAA Server/Proxy3GPP TS 23402
H2 interfaceBetween the 3GPP AAA Server and the HA3GPP TS 23402
Gq’ interfaceBetween AF and RACSETSI TS 183.017
E2 interfaceBetween AF and NASSETSI TS 283 035
E4 interfaceBetween NASS and RACSETSI TS 283 034
E5 interfaceBetween UAAF – UAAFETSI TS 282 004
Re interfaceBetween RCEF and RACSETSI TS 183 060
A3 interfaceBetween UAAF and AMFETSI TS 282 004
A4 interfaceBetween CLF and UAAFETSI TS 282 004
Rr interfacex-RACF03196-NGN-R3
Zh interfaceGeneric Authentication Architecture (GAA)PKT-SP-29.109
Zn interfaceGeneric Authentication Architecture (GAA)PKT-SP-29.109
Cx interfaceCSCF- HSSPKT-SP-29.229
Dx interfaceCSCF- SLFPKT-SP-29.229
Pkt-laes-2 interfaceSession Control Element — DF (electronic surveillance requirements)PKT-SP-ES-INF-I01
P-CSCF- PAM InterfaceBetween P-CSCF – PAMPKT-SP-QOS-I02-080425, 3GPP TS 23.203 & TS 29.214
Pkt-mm-2 interfacePolicy Server — CMTS3GPP TS 29.212 & TS 23.203
TC-6Based on 3GPP RxMSF-IA-DIAMETER.010-FINAL
TC-7Based on 3GPP TyMSF-IA-DIAMETER.014-FINAL
TC-8Based on 3GPP TxMSF-IA-DIAMETER.013-FINAL
TC-9Based on 3GPP RqMSF-IA-DIAMETER.005-FINAL
TC-10Based on 3GPP GxMSF-IA-DIAMETER.012-FINAL
TC-11Based on 3GPP e4MSF-OA-DIMATER.011-FINAL
DB-0Based on 3GPP Cx/DxMSF-IA-DIAMETER.006-FINAL
DB-2Based on 3GPP Sh/DhMSF-IA-DIAMETER.003-FINAL
BI-1Based on 3GPP RfMSF-IA-BILLING.001-FINAL
LOC-1Based on 3GPP e2MSF-IA.DIAMETER.008-FINAL
Rw interfaceBetween the Policy Decision Physical Entity (PD-PE) and the Policy Enforcement Physical Entity (PE-PE)ITU Q.3303.3
Rs interfaceBetween Service Control Physical Entity (SC-PE) and Resource and Admission Control Physical Entity (RAC-PE)ITU Q.3301