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

Mail

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.

MESSAGE

SUBSCRIBE NOTIFY

PUBLISH

Author

Version