Communication Service Evolution
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Transcript of Communication Service Evolution
Services
Da
ta/I
P N
etw
ork
s
Mo
bile
Ne
two
rks
PS
TN
/IS
DN
CA
TV
Access Transport & Switching Networks
WirelessAccess
WirelineAccess
IP Backbone
Existing and newlyemerging services
Service & Network Control (QoS, Security, IP Mobility)
Too costly, per-service network architecture
Single/simple/cost-effective network infrastructure for existing & new services
Access & Transport Plane
Core NetworkSession
Control Plane
Service ArchitectureApplications/Services
Plane
HSSCSCF
AccessNetwor
k
OtherNetworks
Web Portal
ApplicationServers
Session Control
CentralizedDatabases
Media Control &Gateways
MediaServer
Voice/video
SMS/MMS
Instantmessaging
Voice/Video/IM
Conferencing/App
sharing/MM chat/
Others
contentcontent
Shared content
Today services Integrated „all-IP“ services
VoLTE
PCRF
P-CSCF
HSS
Rx
I-CSCF
S-CSCF
ASSh
Cx
Cx
Mw
MwMw
ISC
MGCF
MGWMg
VCC AS
ISC
Sh
ATCF
ATGW
MwMw
Mw
Wi-Fi (untrusted)
UTRAN
GERAN
BTS
AuC2G
BSC
NodeB RNC SGSN GGSN
HLR
MSC GMSCAbis A
Iu-CS
Iub
Gs
Gn
E
DC
Gr Gc
VLR
B
Gb
PCRF
Gx
PSTN
Internet
E-UTRAN
eNodeB
EPC
MME
SGWPDN
GWP-CSCF
HSSS6a
S1-C/S1-MME
S1-U S5
SGi
S7
Rx
I-CSCF
S-CSCF
ASSh
Cx
Cx
Mw
MwMw
ISC
Gi
MGCF
MGWMg
ePDG
S2b/SMOGWi-Fi
AP
AAASWm
SWx
SWn
S4
S3
H
3G
4G
Iu-PS
Iur
S11
Wi-Fi
I2
SGs
VCC AS
ISC
Sv
MAP
D’/Gr’
SGi
UE
UE
UE
UE
LTE-UU
Uu
Um
Sh
Wi-Fi (trusted)
Wi-Fi
AP
Wi-Fi
UEMC-GW
(eq.SGW)SWa
SWu
S2c
App access
ATCF
ATGW
Mw
I2
Mw
Mw
S6b
Wi-Fi (untrusted)
UTRAN
GERAN
BTS
AuC2G
BSC
NodeB RNC SGSN GGSN
HLR
MSC GMSCAbis A
Iu-CS
Iub
Gs
Gn
E
DC
Gr Gc
VLR
B
Gb
PCRF
Gx
PSTN
Internet
E-UTRAN
eNodeB
EPC
MME
SGWPDN
GWP-CSCF
HSSS6a
S1-C/S1-MME
S1-U S5
SGi
S7
Rx
I-CSCF
S-CSCF
ASSh
Cx
Cx
Mw
MwMw
ISC
Gi
MGCF
MGWMg
ePDG
S2b/SMOGWi-Fi
AP
AAASWm
SWx
SWn
S4
S3
H
3G
4G
Iu-PS
Iur
S11
Wi-Fi
I2
SGs
VCC AS
ISC
Sv
MAP
D’/Gr’
SGi
UE
UE
UE
UE
LTE-UU
Uu
Um
Sh
Wi-Fi (trusted)
Wi-Fi
AP
Wi-Fi
UEMC-GW
(eq.SGW)SWa
SWu
S2c
App access
ATCF
ATGW
Mw
I2
Mw
Mw
S6b
1Ericsson
1Dean Bubley, Martin Geddes: Future of Voice. October 2013.2Dean Bubley, Blog 2014
1Voxeo Labs: IMS World Forum - WebRTC workshop. “WebRTC - it’s [almost] here!
1Voxeo Labs: IMS World Forum - WebRTC workshop. “WebRTC - it’s [almost] here!
1Voxeo Labs: IMS World Forum - WebRTC workshop. “WebRTC - it’s [almost] here!
IMSSubscriber
PrivateUID 2
PrivateUID 1
PublicUID 1
PublicUID 3
PublicUID 2
PublicUID n
.
.
.
} Implicit Set
P-CSCF
DNS
UE
ngnlab.eu. 7200 IN NAPTR 10 50 "s“ "SIP+D2T“ _sip._udp.ngnlab.eu.
_sip._udp.ngnlab.eu. 7200 IN SRV 0 0 5060 icscf.ngnlab.eu.
icscf.ngnlab.eu. 7200 IN A 147.175.103.213
P-CSCF I-CSCF S-CSCF
DNS
UE
HSS
P-Access-Network-Info
From To
Path
Route
Authorization
Service-Route
Route
P-Preferred-Identity
P-Asserted-Identity
P-Associated-URI
Event: reg
P-CSCF I-CSCFS-CSCF
DNS
UE
P-CSCFI-CSCF S-CSCF
HSS
UE
To simplify matters, DNS is omitted in these slides.
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