UE
PhysicalMACRLC
PDCPRRCIPNAS
LTE-Uu(Air Interface)
Mw
Cx
IPNetwork
Cx
S1-U
S1-MME
S1-MME
X2
S5/S8
S11
S10
S6a
S7/Gxa
Internet
SGi
S1-U
PhysicalEthernetIPUDPGTPv1
eNodeBPhysicalEthernetIPSCTPS1-APNAS
PhysicalEthernetIPSCTPS1-APNAS
MME
PhysicalEthernetIPUDP
GTPv2
PhysicalEthernetIPSCTPDiameter
Serving GW
PhysicalEthernetIPUDP
GTPv2
PCRF
PhysicalEthernetIPSCTPDiameter
PDN GW
HSS
P-CSCF
EthernetIP
Physical
UDP/TCP/SCTPRTPMedia Encoding
SIPSDP
HSS
Mr
Mi
Mn
Mj
MGCF
I-CSCF
Mg
IP/PPP
Layer 2
Physical
IP/PPP
Layer 2
Physical
eNodeBPhysicalEthernetIPSCTPS1-APNAS
PhysicalEthernetIPSCTPDiameter
Ethernet
Physical
IP
UDPGTPv2
UDPGTPv1
Ethernet
Physical
IP
UDPGTPv2
UDPGTPv1
PhysicalEthernetIPUDPGTPv1
PhysicalEthernetIPUDPGTPv1
PhysicalEthernetIPUDPGTPv1
BGCF
MRF
SGi
EthernetIP
Physical
UDP/TCP/SCTPRTPMedia Encoding
SIPSDP
EthernetIP
Physical
UDP/TCP/SCTPRTPMedia Encoding
SIPSDP
EthernetIP
Physical
UDP/TCP/SCTPRTPMedia Encoding
SIPSDP
Ethernet
Physical
IPSCTPX2AP
UDPGTPv1
Ethernet
Physical
IPUDP
GTPv1
SCTPX2AP
S-CSCF
Mw
PhysicalEthernetIPUDPDiameter
PhysicalEthernetIPUDP/TCP/SCTPH.248 (Megaco)
EthernetIP
Physical
UDP/TCP/SCTPRTPMedia Encoding
SIPSDP
IM-MGWPhysicalEthernetIPUDP/TCP/SCTP
H.248 (Megaco)
EthernetIP
Physical
UDP/TCP/SCTPRTPMedia Encoding
SIPSDP
EthernetIP
Physical
UDP/TCP/SCTPRTPMedia Encoding
SIPSDP
EthernetIP
Physical
UDP/TCP/SCTPRTPMedia Encoding
SIPSDP
EthernetIP
Physical
UDP/TCP/SCTPSIPSDP
RTPMedia Encoding
PhysicalMACRLC
PDCPRRCIPNAS
PhysicalEthernetIPUDPDiameter
PhysicalEthernetIPUDPDiameter
LTE
IMS
MME
PhysicalEthernetIPUDP
GTPv2 PhysicalEthernetIPUDP
GTPv2
PhysicalEthernetIPSCTPS1-APNAS
PhysicalEthernetIPSCTPDiameter
S6a
PhysicalEthernetIPSCTPDiameter
PhysicalEthernetIPUDPDiameter
LTE ProtocolsName 3GPP / ITU Standard Interfaces Description
Diameter RFC 3588, 29.272, 29.273, 29.212, 29.214, 29.215, 32.299
S6a, S6d, S13, S13’, SWa/d/m/x, STa, S6b, H2, Pi, Gx, Gxa, Gxc, Gy Rx, S9
Authentication, Authorization and Accounting Protocol
GTPv1 29.281 S1-U, X2-U, S4-U, S5/8-U, S12-U
GPRS Tunneling Protocol User Plane Protocol
GTPv2 29.274 S3-C, S4-C, S5/8-C, S10, S11
GPRS Tunneling Protocol for Control Plane
MIPv4 29.279 S2a-C Mobile IPv4 Protocol
NAS 24.301 LTE-Uu, S1-MME Non-Access-Stratum Protocol
PDCP 36.323 LTE-Uu Packet Data Convergence Protocol
PMIPv6 29.275 S2a-C, S2b-C, S5/8-C Proxy Mobile IPv6 Protocol
RLC 36.322 LTE-Uu Radio Link Control Protocol
RRC 36.331 LTE-Uu, S1, X2, S3 Radio Resource Control Protocol
S1AP 36.413 S1-C E-UTRAN S1 Application Protocol (S1AP)
SCTP RFC 2960 S1-MME, X2, SBc, Diameter-based interfaces
Stream Control Transport Protocol
X2AP 36.423 X2-C E-UTRAN X2 Application Protocol
LTE Entities
IMS Entities
IMS InterfacesInterface Description
Cx I-CSCF, S-CSCF HSS
ISC S-CSCF AS
Ma I-CSCF AS
Mg MGCF I-CSCF
Mi S-CSCF BGCF
Mj BGCF MGCF
Mn MGCF IM-MGW
Mr S-CSCF MRFC
Mw P-CSCF I-CSCF S-CSCF
Rf/Ro CSCF BGCF MRFC MGCF AS
Sh AS HSS
LTE Interfaces Interface Description
Cx CSCF HSS
Gxa/S7 PCRF P-GW
Gxc PCRF S-GW
Gy P-GW OCS
LTE-Uu UE eNB
Rx+ PCRF AF
SBc MME CBC
SGi P-GW PDN
SGs MME VLR
S1-MME eNB MME
S1-U eNB S-GW
S2a P-GW HSGW [trusted non-3GPP IP access]
S2b P-GW ePDG
S2c P-GW UE [untrusted non-3GPP and/or 3GPP access]
S3 SGSN MME
S4 SGSN S-GW
S5 S-GW P-GW
S6a MME HSS
S7/Gxa P-GW PCRF
S8 Visited S-GW Home P-GW
S9 Visited PCRF Home PCRF
S10 MME MME
S11 MME S-GW
S13 MME EIR
S13’ SGSN EIR
S101 MME eAN/PCF
S102 MME MSC [1xRTT ]
S103 S-GW HSGW
Sv MME MSC [ WCDMA]
SWa AAA Proxy untrusted non-3GPP access
SWd AAA Server AAA Proxy
SWm ePDG AAA Proxy
SWx HSS AAA
X2 eNB eNB
LTE - UMTS Connectivity
UTRAN SGSN GGSN
PS-CoreGnIu-PS
E-UTRAN
eNB
X2
SAE-EPC
MME
PDN GW
S1-MME
S1-U
S5/S8
S11S11
S3
S10
S6a
MME
S4
LTE-Uu
PCRF
S7/Gxa
Internet
IMS
PSTN
SGi
GoGi
eNB
HSS
ServingGW
UMTS
LTE
SGi
LTE-Uu
LTE Network Planes
Control Plane
User Plane
Non-Access Stratum
IMS Network Planes
Control Plane
User Plane
LTE - CDMA2000/eHRPD Connectivity
RAN eAN/ePCF A10/A11
E-UTRAN
eNB
X2
SAE-EPC
MME
PDN GW
S1-MME
S1-U
S5/S8
S11S11
S101
S10
S6a
MME
S103 S2a
LTE-Uu
LTE-Uu
PCRF
Internet
IMS
PSTN
SGi
GoGi
eNB
HSS
ServingGW
CDMA2000/eHRPD
LTE
SGi
HSGW
S7a/Gxa
S7/Gxa
Attach
PDP Context activation
Closing session
Typical LTE ProceduresUE PCRF HSS
EIR
eNodeB New MME Serving GW PDN GWOld MME/SGSN
Attach Procedure
Dedicated Bearer Activation Procedure
Attach Request
Attach Request
Create Session Request
Bearer Setup Response
Create Bearer Response
Create Bearer Response
Direct Transfer
RRC Connection Recon�g. Complete
Initial Context Setup Resp.
Create Session Response
Initial Context Setup Req./Attach Accept
Bearer Setup Req.Session Management Req.
RRC Connection Recon�g.
RRC Connection Recon�g. Complete
Session Management Response
RRC Connection Recon�g.
Create Session Request
Direct Transfer
Attach Complete
Create Session Response
First Downlink Data
Identity Request
Ciphered Options Request
Ciphered Options Response
Identity Response
Identity Request/Response
ME Identity Check
Identi�cationRequest
Identi�cationResponse
Authentication/Security
Update Location Request
Cancel Location
Update Location Ack
Cancel Location Ack
PCEF Initiate IP-CANSession Termination
IP-CANSession Modi�cation
IP-CANSession Modi�cation
Create Bearer Request
Create Bearer Request
IMS EntitiesEntity Name Description
BGCF Breakout Gateway Control Function
HSS Home Subscriber Service
I-CSCF Interrogating Call Session Control Function
IM-MGW IP Multimedia Media Gateway
MGCF Media Gateway Control Function
MRF Media Resource Function
P-CSCF Proxy Call Session Control Function
S-CSCF Serving Call Session Control Function
Entity Name Description
AAA Authentication, Authorization and Accounting server
AF Application Function
CBC Cell Broadcast Center
eAN/ePCF Evolved AN/Packet Control Function
EIR Equipment Identity Register
eNB eNodeB
ePDG Evolved/Enhanced Packet Data Gateway
GGSN Gateway GPRS Support Node
HSGW HRPD Serving Gateway
HSS Home Subscriber Server
MME Mobility Management Entity
MSC Mobile Switching Center
OCS Online Charging System
PDN Packet Data Network
PCRF Policy and Charging Rules Function
P-GW Packet Data Network (PDN) Gateway
SGSN Serving GPRS Support Node
S-GW Serving Gateway
UE User Equipment
VLR Visitor Location Register
Headquarters: RADCOM Ltd. - 24 Raoul Wallenberg Street, Tel Aviv 69719, Israel Tel: +972-3-6455055 Fax: +972-3-6474681 Email: [email protected] | US O�ce: RADCOM EQUIPMENT, INC. 6 Forest Avenue, Paramus, NJ 07652, USA Tel: +1 201-518-0033 Fax: +1 201-556-9030 Call toll-free: 1-800-RADCOM-4 Email: [email protected] China O�ce: RADCOM (China) LTD. 2309, Block A, Beijing Full Link Plaza, No. 18, ChaoYangMenWai Avenue, Chaoyang District, Beijing 100020, China Tel: +86-10-65886207 Fax: +86-10-65886207 ext188 Email: [email protected] | Brazil O�ce: RADCOM (Brazil) LTD. AL. RIO NEGRO, 1030 – 3º. Andar - SALA 301 – Alphaville Barueri – SP, Brazil Tel: +55-11-71309793 Fax: +55-11-71309793 Email: [email protected]
RA
- PLT
E R
evis
ion
A
IN YOUR NETWORK
W W W.R ADCOM.COM
MONITORS THE WORLD OF LTEPr
oduc
t bra
nd n
ames
may
be
trad
emar
ks o
f the
ir re
spec
tive
owne
rs a
nd a
re m
entio
ned
for r
efer
ence
onl
y. In
form
atio
n su
bjec
t to
chan
ge w
ithou
t not
ice.
RA
DCO
M m
akes
no
war
rant
y of
any
kin
d, e
xpre
ssed
or i
mpl
ied,
incl
udin
g, b
ut n
ot li
mite
d to
, the
impl
ied
war
rant
ies
of m
erch
anta
bilit
y an
d �t
ness
for a
par
ticul
ar p
urpo
se. R
AD
COM
is n
ot li
able
for e
rror
s co
ntai
ned
here
in.