A L

igh

t R

ea

din

g W

eb

ina

r

The R

ole

of T

ISP

AN

In

Next-

Genera

tion N

etw

ork

s

Th

urs

da

y,

Ma

rch

9,

20

06

Hoste

d b

y

Gra

ham

Fin

nie

Sen

ior

An

aly

st

Speakers

•Sim

on Spraggs

Cis

co S

yste

ms

•Jared Rosoff

Tazz

Netw

ork

s

Agenda

•W

hat is

ET

SI T

ISP

AN

NG

N?

•T

he N

GN

evolu

tion &

requirem

ents

•E

TS

I T

ISP

AN

arc

hitectu

re

•T

ISP

AN

use c

ases

•C

onclu

sio

ns

What Is

ET

SI T

ISP

AN

NG

N?

•Background

•T

ele

com

munic

ations &

Inte

rnet

Converg

ed S

erv

ices &

P

roto

cols

for

Advanced N

etw

ork

s (

TIS

PA

N)

•T

ISP

AN

is a

sta

ndard

s g

roup w

ithin

the E

uro

pean

Tele

com

munic

ation S

tandard

s I

nstitu

te (

ET

SI)

•S

pecia

lized in f

ixed n

etw

ork

s &

Inte

rnet

converg

ence

•8 s

ub-g

roups d

efinin

g a

ll aspects

of

NG

N

•Defining a standards-based NGN architecture

•B

ased o

n w

ell

defined s

ub-s

yste

ms,

functional blo

cks &

defined inte

rfaces

•M

axim

izin

gfixed

& m

obile

converg

ence,

thro

ugh

adoptio

n

of

3G

IM

S c

om

ponents

The B

enefits

of an N

GN

Fro

m S

tovepip

es to C

onverg

ed

•E

nh

an

ce

d U

se

r E

xp

eri

ence

•U

niv

ers

al user

experi

ence

regard

less o

f a

ccess m

ediu

m

•In

tegra

tion o

f p

resence &

m

obili

ty

•S

imp

lifie

d S

erv

ice

In

tro

ductio

n

•S

tandard

ized inte

rfaces

•W

ell

defin

ed c

apab

ilities p

er

functiona

l com

pone

nt

•R

ed

uce

d O

pe

ratin

g C

osts

•A

uto

mate

d s

erv

ice d

eliv

ery

•U

nifie

d n

etw

ork

arc

hitectu

reA

ny Application, A

ny Network, A

ny Device

Deliv

ere

d w

ith Quality, Control, a

nd Accountability

What Is

an IP

NG

N A

rchitectu

re?

Intelligent

Edge

Intelligent

Edge

Customer

Element

Customer

Element

Multiservice

Core

Multiservice

Core

Access/

Aggregation

Access/

Aggregation

Application Layer

Application Layer

Service LayerService Layer

Network Layer

Network Layer

Transport

Transport

Operational Layer Operational Layer

Service

Exchange

Service

Exchange

Identity

Identity

Policy

Policy

Billing

Billing

Mobility

Mobility

Self

Service

Self

Service

Framework

for User and

Application-

Based Control

(Data, Voice, Video,

Mobility)

Framework

for User and

Application-

Based Control

(Data, Voice, Video,

Mobility)

INTELLIGENT INFORMATION NETWORK

INTELLIGENT INFORMATION NETWORK

Consumer

Business

Evolved

services

NG

N A

pp

lica

tio

n/P

roto

co

l R

eq

uir

em

en

tsC

om

pre

he

nsiv

e S

upp

ort

fo

r S

IPa

nd

Non-S

IPa

pp

lica

tio

ns

Intelligent Netw

orking

Video &

Gaming

Video &

Gaming

Data

Center

Data

Center

Presence-

Based

Telephony

Presence-

Based

Telephony

Web

Services

Web

Services

Mobile

Apps

Mobile

Apps

IPContact

Center

IPContact

Center

Intelligent

Edge

Intelligent

Edge

Customer

Element

Customer

Element

Multiservice

Core

Multiservice

Core

Access/

Aggregation

Access/

Aggregation

Application Layer

Application Layer

Service LayerService Layer

Network Layer

Network Layer

Transport

Transport

Operational Layer Operational Layer

Service

Exchange

Service

Exchange

Open Framework

for Enabling

‘Triple Play on

the M

ove’

(Data, Voice,

Video, Mobility)

Open Framework

for Enabling

‘Triple Play on

the M

ove’

(Data, Voice,

Video, Mobility)

Identity

Identity

Policy

Policy

Billing

Billing

Mobility

Mobility

Self

Service

Self

Service

Traffic

Engineering

Traffic

Traffic

Engineering

Engineering

Multicast

Multicast

Multicast

Security

Security

Security

CoS/QoS

CoS/QoS

CoS/QoS

MPLS

MPLS

MPLS

Peering

Peering

Peering

L2/L3 VPN

L2

L2

// L3 VPN

L3 VPN

VPLS

VPLS

VPLS

Fast

Rerouting

Fast

Fast

Rerouting

Rerouting

Routing Protocols

Routing Protocols

Routing Protocols

IPoDWDM

IPoDWDM

IPoDWDM

PPP/FR/ATM/Ethernet

PPP/FR/ATM/Ethernet

PPP/FR/ATM/Ethernet

IPv4/IPv6

IPv4/IPv6

IPv4/IPv6

SIP

based

SIP

based

Non-SIP

based

Non-SIP

based

SIP Applications

•VoIP / Push-to-talk (PTT)

•Buddy lists

•Click to dial

•Location-based info services

•FMC (Dual-mode telephony)

•More…

SIP Applications

•VoIP / Push-to-talk (PTT)

•Buddy lists

•Click to dial

•Location-based info services

•FMC (Dual-mode telephony)

•More…

Non-SIP Applications

•IPTV / VoD / Videoconferencing

•P2P Services

•Gaming

•VoIP

•Email/SMS/MMS

•More…

Non-SIP Applications

•IPTV / VoD / Videoconferencing

•P2P Services

•Gaming

•VoIP

•Email/SMS/MMS

•More…

Why N

ot Just A

dopt 3G

PP

IM

S for

Every

thin

g?

Control PlaneControl Plane IP Transport PlaneIP Transport Plane

P -CSCF

I -CSCF

S -CSCF

PDF

Radio

Radio

Access Network

Access Network

SGSN

GGSN

PSTN/

PLMN Intranet/

Internet

Service PlaneService Plane

Application

Server

Application

Server

Application

Server

HSS

BGCF/M

GCF

HLR

MGW

MGW

SCIM

SGW

SEG

IMS

IMS

Functions

Functions

MRF

As Specified By 3GPP

•Claim

s to be access agnostic

•R

6 m

ovin

g in that directions

•R

7 m

ore

so

•Im

plicit assumptions

•P

olic

y e

lem

ent part

of th

e P

roxy S

IP s

erv

er

:-im

plic

it a

ssum

ption that only

SIP

applic

ations n

eed p

olic

y

•W

irele

ss U

E &

auth

entication:-

No a

ccount ta

ken o

f 15 y

ears

of A

AA

deplo

ym

ent

in w

irelin

e

•W

irele

ss a

ccess n

etw

ork

via

GG

SN

:-

No a

ccount of C

MT

S for

cable

, B

RA

S for

xD

SL

•O

nly

SIP

sig

nale

dapplic

ation :-

No a

ccount ta

ken o

f th

e m

ajo

rity

of In

tern

et applic

ations, bandw

idth

apps

•N

o a

ccount of th

e r

egula

tory

and r

esultin

g c

om

merc

ial m

odels

seen in w

irelin

e

ET

SI T

ISP

AN

NG

ND

eta

il &

Sta

tus

•Release Tim

eline

•P

ragm

atic a

ppro

ach &

em

ph

asis

on s

olu

tion

s

•R

ele

ase 1

:-

Rele

ased in D

ec 2

005

•M

ain

sta

ndard

s d

irection

•V

oic

e,

xD

SL,

SIP

-oriente

d s

olu

tions,

edge Q

oS

cap

ab

ilities

•R

ele

ase 2

:-20

07 t

imefr

am

e

•B

ein

g d

efined n

ow

•R

ele

ase 3

:-20

09 t

imefr

am

e

•G

ene

raliz

ed m

obili

ty

•Architectural Highlights

•S

upport

of

SIP

-oriente

d &

No

n S

IP a

pplic

ations

•IM

S f

or

convers

ationa

l S

IP-o

riente

d a

pplic

ations

•O

ther

sub-s

yste

ms f

or

oth

er

applic

ation t

ype

s

•A

ccess a

gnostic

•S

upport

for

co

mple

x c

om

merc

ial m

od

els

•R

oadm

ap t

o f

ixed m

obile

converg

ence b

ase

d o

n I

MS

•R

e-u

se &

colla

bora

tio

n w

ith S

DO

(specific

ally

3G

PP

)

TIS

PA

N N

GN

Arc

hitectu

re O

verv

iew

Resource and Admission

Control Functionality

RA

CS

Based on

3G

PP

IM

S

IP Connectivity

Access Network

And related functionality Network Attachment

Functionality

NA

SS

Oth

er M

ult

imed

ia

Com

ponen

ts …

Str

eam

ing S

ervic

es

(RTSP based)

PST

N / I

SD

N E

mula

tion

(SIP-I based)

Appli

cati

ons

Core t

ransp

ort

Netw

ork

3GPP IP-CAN

Acc

ess

Tra

nsp

ort

Net

work

IP

3GPP Terminals

NGN

Terminals

Legacy

Terminals

Customer

Networks

Data

Base

Other Networks

“G

q”

inte

rface

“G

o”

inte

rface

IP M

ult

imed

ia

Com

ponen

t (C

ore

IMS)

(SIP based)

PSTN / ISDN

MBG

TGW

ICF

GW

GW

Legacy

Terminals

NGN

Terminals

Legacy

Terminals

IMS

(IP

Multim

edia

Su

bsyste

m):

The N

GN

core

subsyste

m f

or

SIP

based c

on

vers

ation

al serv

ices

HG

W

Source:-Global Standards Collaboration, GSC#10, 28 August –2 September 2005 [E

TS

I E

S 2

82 0

01

“Tele

com

munic

ations a

nd Inte

rnet C

onverg

ed S

erv

ices a

nd P

roto

cols

for

Advanced N

etw

ork

ing (

TIS

PA

N):

NG

N F

unctional A

rchitectu

re R

1]

ET

SI

TIS

PA

N N

etw

ork

Mo

del (R

ele

ase

1)

Access network

IP-Edge

CLF

PDBF

a2

a2

a4

a4

e5

e5

RACS

NASS

Dia

me

ter

H.2

48

<tb

d>

e2

e2

User Equipment

TISPAN NGN Core

Access

Node

Transport

Network

TE

CNG

ARF

L2TF

C-BGF

e1

e1

e1

e1

Di

Di

AF-2 Applications

IaIa

Rq

Rq

Re

Re

RCEF

e3

e3

UAAF

a1

a1

e4

e4

CNGCF

AMF

a3

a3

NACF

Applications

Gq’

Gq’

e2

e2

SPDF

A-RACF

I-BGF

AF-1 Applications

PSTN Emulation

IMS Core

Gq’

Gq’

Sub-systems

e4

e4

e2

e2

•Function

•C

ore

, access a

nd h

om

e t

ransport

capabili

ties

•D

eals

with d

iffe

rent

ow

ners

of

the n

etw

ork

•Interfaces:-

•R

AC

S a

nd N

AS

S

Transport Function

User

Equip

ment

TE

: T

erm

inal E

quip

ment

CN

G:

Custo

mer

Netw

ork

G

ate

way

Access n

etw

ork

AR

F:

Access R

ela

y F

unction

L2T

F: Layer

2 T

erm

inal F

unction

RC

EF

: R

esourc

e C

ontr

ol E

nfo

rcem

ent

Function

Core

BG

F: B

ord

er

Gate

way F

unction

Access a

nd Inte

rconnect

ET

SI

TIS

PA

N N

etw

ork

Mo

del (R

ele

ase

1)

Access network

IP-Edge

RACS

Dia

me

ter

H.2

48

<tb

d>

User Equipment

TISPAN NGN Core

Access

Node

Transport

Network

TE

CNG

ARF

L2TF

C-BGF

e1

e1

e1

e1

Di

Di

AF-2 Applications

IaIa

Rq

Rq

Re

Re

RCEF

a1

a1

e4

e4

AMF

a3

a3

Applications

Gq’

Gq’

SPDF

A-RACF

I-BGF

AF-1 Applications

PSTN Emulation

IMS Core

Gq’

Gq’

Sub-systems

CLF

PDBF

a2

a2

a4

a4

e5

e5

NASSe2

e2

e3

e3

UAAF

CNGCF

NACF

e2

e2

CLF

PDBF

a2

a2

a4

a4

e5

e5

e2

e2

e3

e3

UAAF

CNGCF

NACF

e2

e2

RACS

•Function

•P

olic

y im

ple

menta

tion

•A

dm

issio

n c

ontr

ol

•Interfaces to

:

•A

pplic

ation F

unction (

via

Gq’)

•N

AS

S (

AA

A a

nd c

onf)

•Functional blocks

•S

PD

F-

Serv

ing P

olic

y D

ecis

ion

Function

•A

-RA

CF

-A

ccess R

esourc

e a

nd

adm

issio

n C

ontr

ol F

unction

ET

SI

TIS

PA

N N

etw

ork

Mo

del (R

ele

ase

1)

Access network

IP-Edge

RACS

Dia

me

ter

H.2

48

<tb

d>

User Equipment

TISPAN NGN Core

Access

Node

Transport

Network

TE

CNG

ARF

L2TF

A-BGF

e1

e1

e1

e1

Di

Di

AF-2 Applications

IaIa

Rq

Rq

Re

Re

RCEF

e4

e4

Applications

Gq’

Gq’

SPDF

A-RACF

I-BGF

AF-1 Applications

PSTN Emulation

IMS Core

Gq’

Gq’

Sub-systems

CLF

PDBF

a2

a2

a4

a4

e5

e5

NASSe2

e2

e3

e3

UAAF

CNGCF

NACF

e2

e2

CLF

PDBF

a2

a2

a4

a4

e5

e5

e2

e2

e3

e3

UAAF

CNGCF

NACF

e2

e2

Function

Regis

tration a

nd initia

lisation o

f U

E

Netw

ork

Level ID

and a

uth

entication

Interfaces to:-

RA

CS

, S

erv

ice,

Tra

nsport

Functional blocks

AM

F: A

ccess M

anagem

ent

Function

NA

CF

: N

etw

ork

Access C

onfigura

tion F

unction

CLF

: C

onnectivity S

essio

n L

ocation a

nd

Repository

Function

UU

AF

: U

ser

Access A

uth

orization F

unction

PD

BF

: P

rofile

Data

base F

unction

CN

CF

G:

CP

E C

onfigura

tion F

unction

NASS

AMF

a1

a1

a3

a3

Gq’

Gq’

ET

SI

TIS

PA

N N

etw

ork

Mo

del (R

ele

ase

1)

Access network

IP-Edge

CLF

PDBF

a2

a2

a4

a4

e5

e5

RACS

NASS

Dia

me

ter

H.2

48

<tb

d>

e2

e2

User Equipment

TISPAN NGN Core

Access

Node

Transport

Network

TE

CNG

ARF

L2TF

C-BGF

e1

e1

e1

e1

Di

Di

AF-2 Applications

IaIa

Rq

Rq

Re

Re

RCEF

e3

e3

UAAF

a1

a1

e4

e4

CNGCF

AMF

a3

a3

NACF

Applications

Gq’

Gq’

e2

e2

SPDF

A-RACF

I-BGF

AF-1 Applications

PSTN Emulation

IMS Core

Service subsystems

Service Layer model

•General architecture defines

•C

ore

IM

S s

ubsyste

m

•P

ST

N/I

SD

N e

mula

tion s

ubsyste

m (

PE

S)

•S

tream

ing S

ubsyste

m

•C

onte

nt

bro

adcast

subsyste

m

•R1 only looks at:-

•IM

S a

nd P

ES

•IM

S subsystem

•S

ubset

of

3G

PP

IM

S

•S

erv

ice c

ontr

ol fu

nctionalit

y

•PES

•N

on I

MS

PE

S

•P

ES

over

IMS

I/S-CSCF

P-CSCF

MRFC

Mw

Mw

Mr

Mr

Mi

Mi P-CSCF

BGCF

Mg

Mg

ET

SI

TIS

PA

N N

etw

ork

Mo

del (R

ele

ase

1)

Access network

IP-Edge

CLF

PDBF

a2

a2

a4

a4

e5

e5

RACS

NASS

Dia

me

ter

H.2

48

<tb

d>

e2

e2

User Equipment

TISPAN NGN Core

Access

Node

Transport

Network

TE

CNG

ARF

L2TF

C-BGF

e1

e1

e1

e1

Di

Di

AF-2 Applications

IaIa

Rq

Rq

Re

Re

RCEF

e3

e3

UAAF

a1

a1

e4

e4

CNGCF

AMF

a3

a3

NACF

Applications

Gq’

Gq’

e2

e2

SPDF

A-RACF

I-BGF

AF-1 Applications

PSTN Emulation

IMS Core

Gq’

Gq’

Sub-systems

Application Function

•Two types of application

•AF-1 applications

•D

on’t u

se S

erv

ice S

ub-s

yste

ms

•In

terf

aces d

irectly t

o R

AC

S

•D

efined b

ut

not

really

covere

d in R

1

•AF-2 applications

•U

se S

erv

ice c

ontr

ol sub-s

yste

ms

•Interfaces to:

•S

erv

ice S

ubsyste

m

•R

AC

S (

AF

-1 a

pp

s)

ET

SI

TIS

PA

N N

etw

ork

Mo

del (R

ele

ase

1)

Access network

IP-Edge

CLF

PDBF

a2

a2

a4

a4

e5

e5

RACS

NASS

Dia

me

ter

H.2

48

<tb

d>

e2

e2

User Equipment

TISPAN NGN Core

Access

Node

Transport

Network

TE

CNG

ARF

L2TF

C-BGF

e1

e1

e1

e1

Di

Di

AF-2 Applications

IaIa

Rq

Rq

Re

Re

RCEF

e3

e3

UAAF

a1

a1

e4

e4

CNGCF

AMF

a3

a3

NACF

Applications

Gq’

Gq’

e2

e2

SPDF

A-RACF

I-BGF

AF-1 Applications

PSTN Emulation

IMS Core

Gq’

Gq’

Service subsystems

I/S-CSCF

P-CSCF

MRFC

Mw

Mw

Mr

Mr

Mi

Mi P-CSCF

BGCF

Mg

Mg

TIS

PA

N S

cenario:

Use C

ase:-

IMS

Call

Setu

p1

.U

se

r d

ials

pho

ne

nu

mbe

r, in

itia

tes S

IP

sig

na

ling

2.

P-C

SC

F r

eque

sts

au

tho

riza

tion

fo

r ca

ll

via

Gq’in

terf

ace

3.

SP

DF

re

que

sts

au

tho

riza

tio

n fo

r a

cce

ss

ne

two

rk r

esou

rce

s v

ia R

qin

terf

ace

4.

A-R

AC

F (

op

tiona

lly)

pro

vis

ion

s p

olic

ies

usin

g R

e/R

a in

terf

ace

s

5.

SP

DF

(o

ptiona

lly)

reque

sts

BG

F

au

tho

riza

tion

via

Ia

inte

rfa

ce

6.

Rem

ote

pa

rty S

DP

re

ce

ived

7.

P-C

SC

F r

eque

sts

re

-au

tho

riza

tio

n fo

r ca

ll

giv

en

rem

ote

SD

P v

ia G

q’in

terf

ace

8.

SD

PF

(o

ptiona

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