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Development of IPX: Myth or Reality? Patrick MeLampy -CTO/Founder Acme Packet 1 Acme Packet
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Development of IPX: Myth or Reality?...Acme Packet Page 4 The IPX Vision CONFIDENTIAL -IPX Solution Overview IPX IPX $ SLA $ SLA IPX MNO MNO IPX $ SLA Acme Packet Page Cloud services

Jul 07, 2020

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Page 1: Development of IPX: Myth or Reality?...Acme Packet Page 4 The IPX Vision CONFIDENTIAL -IPX Solution Overview IPX IPX $ SLA $ SLA IPX MNO MNO IPX $ SLA Acme Packet Page Cloud services

Development of IPX: Myth or Reality?

Patrick M

eLampy -CTO/Founder Acme Packet

1Acme Pack

et

Page 2: Development of IPX: Myth or Reality?...Acme Packet Page 4 The IPX Vision CONFIDENTIAL -IPX Solution Overview IPX IPX $ SLA $ SLA IPX MNO MNO IPX $ SLA Acme Packet Page Cloud services

Acme Packet

Page

Agenda

•IPX –

Acme Packet Perspective

•IPX and LTE/VoLTE

2Acme Pack

et

Page 3: Development of IPX: Myth or Reality?...Acme Packet Page 4 The IPX Vision CONFIDENTIAL -IPX Solution Overview IPX IPX $ SLA $ SLA IPX MNO MNO IPX $ SLA Acme Packet Page Cloud services

IPX –A Vendor Perspective

3Beta footer test

Page 4: Development of IPX: Myth or Reality?...Acme Packet Page 4 The IPX Vision CONFIDENTIAL -IPX Solution Overview IPX IPX $ SLA $ SLA IPX MNO MNO IPX $ SLA Acme Packet Page Cloud services

Acme Packet

Page

4CONFIDENTIAL -IPX Solutio

n O

verview

Th

e I

PX

Vis

ion IP

XIPX

SLA

SLA

$$$$ SLA

SLA

IPX

MNO

MNO

IPX

$$ SLA

SLA

Page 5: Development of IPX: Myth or Reality?...Acme Packet Page 4 The IPX Vision CONFIDENTIAL -IPX Solution Overview IPX IPX $ SLA $ SLA IPX MNO MNO IPX $ SLA Acme Packet Page Cloud services

Acme Packet

Page

Un

ifie

d s

erv

ice

evo

lve

s

-a

ny d

evic

e,

an

y o

ne

, a

ny t

ime

Text

Data

Voice

Video

Presence + IM

5

Page 6: Development of IPX: Myth or Reality?...Acme Packet Page 4 The IPX Vision CONFIDENTIAL -IPX Solution Overview IPX IPX $ SLA $ SLA IPX MNO MNO IPX $ SLA Acme Packet Page Cloud services

Acme Packet

Page

“Se

rvic

e p

rovid

er”

cho

ice

s

wil

l in

cre

ase

6

Over the top

Enterprise

Service provider

AT&T

Page 7: Development of IPX: Myth or Reality?...Acme Packet Page 4 The IPX Vision CONFIDENTIAL -IPX Solution Overview IPX IPX $ SLA $ SLA IPX MNO MNO IPX $ SLA Acme Packet Page Cloud services

Acme Packet

Page

Clo

ud

se

rvic

es

wil

l d

om

ina

te

7

Most services are already in service provider clouds

–Mobile

–Residential

–IP Centrex

–SIP trunking

–Ove

r-the-top

IP PBX and UC servers will vanish from enterprise premise, except the largest,

communications -critical enterprises will build their own cloud

Right network plumbing will be critical -bandwidth & Q

oS, identify, privacy

Page 8: Development of IPX: Myth or Reality?...Acme Packet Page 4 The IPX Vision CONFIDENTIAL -IPX Solution Overview IPX IPX $ SLA $ SLA IPX MNO MNO IPX $ SLA Acme Packet Page Cloud services

Acme Packet

Page

Ne

two

rk t

ran

spo

rt c

ho

ice

s

incr

ea

se

Internet

8

Future (Federnet2.0)

OTT

SP

E

OTT

ESP

E

SP

SP

SP

AT&T

NSP SP

E

ESP

E

SP

IPX

SP

IPX (Federnet)

AT&T

Page 9: Development of IPX: Myth or Reality?...Acme Packet Page 4 The IPX Vision CONFIDENTIAL -IPX Solution Overview IPX IPX $ SLA $ SLA IPX MNO MNO IPX $ SLA Acme Packet Page Cloud services

Acme Packet

Page

Mo

bil

e a

cce

ss w

ill

do

min

ate

9

Page 10: Development of IPX: Myth or Reality?...Acme Packet Page 4 The IPX Vision CONFIDENTIAL -IPX Solution Overview IPX IPX $ SLA $ SLA IPX MNO MNO IPX $ SLA Acme Packet Page Cloud services

Acme Packet

Page

“IP

”–

ide

nti

ty a

nd

pri

va

cy

be

com

e c

riti

cal

10

Page 11: Development of IPX: Myth or Reality?...Acme Packet Page 4 The IPX Vision CONFIDENTIAL -IPX Solution Overview IPX IPX $ SLA $ SLA IPX MNO MNO IPX $ SLA Acme Packet Page Cloud services

Acme Packet

Page

A f

utu

re o

f in

cre

asi

ng

ch

oic

es

•U

nif

ied

se

rvic

e e

vo

lve

s –

an

y w

he

re,

an

y o

ne

, a

ny

tim

e

•“S

erv

ice

pro

vid

er”

cho

ice

s w

ill

incr

ea

se

•C

lou

d s

erv

ice

s w

ill

do

min

ate

•N

etw

ork

tra

nsp

ort

ch

oic

es

wil

l in

cre

ase

•M

ob

ile

acc

ess

wil

l d

om

ina

te

•“I

P”

–id

en

tity

an

d p

riv

acy

–b

eco

me

cri

tica

l

11

Page 12: Development of IPX: Myth or Reality?...Acme Packet Page 4 The IPX Vision CONFIDENTIAL -IPX Solution Overview IPX IPX $ SLA $ SLA IPX MNO MNO IPX $ SLA Acme Packet Page Cloud services

Acme Packet

Page

1.

In I

P,

we

tru

st n

o o

ne

2.

Ad

dre

sse

s a

nd

id

en

titi

es

wil

l fo

rev

er

be

he

tero

ge

ne

ou

s

3.

Co

mp

eti

tiv

e S

erv

ice

Off

eri

ng

s m

ay

in

vo

lve

oth

er

pro

toco

ls b

esi

de

s S

IP

4.

Co

de

csw

ill

ne

ve

r co

nv

erg

e t

o a

co

up

le -

au

dio

& v

ide

o

5.

Un

lim

ite

d b

an

dw

idth

, Q

oS

& s

ign

alin

g r

eso

urc

es

wil

l fo

rev

er

be

a m

yth

6.

So

me

se

ssio

ns

are

mo

re im

po

rta

nt/

va

lua

ble

7.

No

on

e w

ill b

e a

llo

we

d t

o d

o a

ny

thin

g t

he

y w

an

t

8.

IP r

eg

ula

tory

co

mp

lia

nce

re

qu

ire

me

nts

will

incr

ea

se

9.

Se

rvic

e p

rov

ide

r b

usi

ne

ss m

od

els

will

ne

ve

r b

e h

om

og

en

ou

s

Mo

re c

ho

ice

s re

qu

ire

s

mo

re m

ed

iati

on

an

d c

on

tro

l a

t b

ord

ers

12

Page 13: Development of IPX: Myth or Reality?...Acme Packet Page 4 The IPX Vision CONFIDENTIAL -IPX Solution Overview IPX IPX $ SLA $ SLA IPX MNO MNO IPX $ SLA Acme Packet Page Cloud services

Acme Packet

Page

13

CONFIDENTIAL -IPX Solutio

n O

verview

IPX

–A

Ne

w T

ran

spo

rt C

ho

ice

IPX

Ne

two

rk A

rch

ite

ctu

re

•IP

X n

etw

ork

arc

hit

ect

ure

is

a p

riv

ate

IP

ba

ckb

on

e n

etw

ork

wit

h

serv

ice

-aw

are

ele

me

nts

(IP

X P

roxy

)

–N

ot-

acc

ess

ible

by t

he

In

tern

et

–IP

ba

ckb

on

e n

etw

ork

is

the

cu

rre

nt

GR

X

•IP

X P

roxi

es

are

ke

y t

o s

up

po

rt m

ult

ila

tera

l/h

ub

co

nn

ect

ivit

y in

a s

cala

ble

an

d e

ffic

ien

t

ma

nn

er

•A

t th

e b

ord

er

be

twe

en

th

e s

erv

ice

pro

vid

er

the

re w

ill b

e a

bo

rde

r e

lem

en

t (S

BC

, so

ft-

MS

C,

or

SS

/MG

)

FNO

MNO/FNO

IPX carrier

IPX Proxy

IPX carrier

IPX Proxy

IPX carrier

IPX Proxy

IPX carrier

IPX Proxy

MNO

ISP

BE

BE

BE

BE

Page 14: Development of IPX: Myth or Reality?...Acme Packet Page 4 The IPX Vision CONFIDENTIAL -IPX Solution Overview IPX IPX $ SLA $ SLA IPX MNO MNO IPX $ SLA Acme Packet Page Cloud services

Acme Packet

Page

14

CONFIDENTIAL -IPX Solutio

n O

verview

Wh

y s

up

po

rt I

PX

•A

vo

id b

eco

min

g a

du

mb

pip

e w

ith

lo

w v

alu

e a

nd

lo

w m

arg

ins

•U

nli

ke

pu

bli

c In

tern

et,

IP

X p

rovid

es

inte

rco

nn

ect

ion

an

d t

ran

sit

serv

ice

s w

ith

ass

ure

d s

ecu

rity

an

d c

on

tro

lle

d Q

oS

•C

om

pe

llin

g v

alu

e p

rop

osi

tio

n:

–S

imp

lifi

ed

op

era

tio

ns

–C

om

mo

n c

ha

rgin

g p

rin

cip

le

–S

LAs

–M

ult

iple

co

nn

ect

ivit

y m

od

els

•IP

X c

arr

ier

can

pro

vid

e a

dd

itio

na

l se

rvic

es

be

yo

nd

tra

nsi

t

–T

ran

sco

din

g

–P

roto

col in

terw

ork

ing

–E

NU

M &

nu

mb

er

reso

luti

on

Page 15: Development of IPX: Myth or Reality?...Acme Packet Page 4 The IPX Vision CONFIDENTIAL -IPX Solution Overview IPX IPX $ SLA $ SLA IPX MNO MNO IPX $ SLA Acme Packet Page Cloud services

Acme Packet

Page

15

CONFIDENTIAL -IPX Solutio

n O

verview

Wh

y s

ho

uld

an

d M

NO

/FN

O u

se a

n I

PX

ca

rrie

r?

•A

ssu

re e

nd

-to

-en

d d

eli

ve

ry o

f V

oIP

an

d in

tera

ctiv

e I

P c

om

mu

nic

ati

on

s–

Pa

cke

t v

oic

e (

SIP

, S

IP-I

)

–R

CS

Se

rvic

es

•In

sta

nt

me

ssa

gin

g a

nd

pre

sen

ce

•V

ide

o s

ha

rin

g

•Im

ag

e s

ha

rin

g

•S

erv

ice

Hu

b m

od

e:

sim

pli

fie

d o

pe

rati

on

s–

Ca

sca

de

billi

ng

–C

on

tra

ct w

ith

fe

w I

PX

ca

rrie

rs i

nst

ea

d o

f 1

00

s o

f S

erv

ice

Pro

vid

ers

(M

NO

/FN

O)

•Lo

ng

dis

tan

ce a

nd

in

terc

on

ne

ctio

n w

ith

sm

all

pla

ye

rs

•IP

X s

erv

ice

s a

re s

tan

da

rdiz

ed

–C

om

mo

n c

ha

rgin

g p

rin

cip

le

–T

ech

nic

all

y i

nte

r-o

pe

rab

le e

nd

to

en

d

•A

gre

em

en

ts s

pe

cifi

ed

in

a C

on

tra

ct S

erv

ice

Sch

ed

ule

co

nta

inin

g–

SLA

s

–C

on

ne

ctiv

ity m

od

el

–O

pe

rato

r in

terc

on

ne

ctio

n l

ist

Page 16: Development of IPX: Myth or Reality?...Acme Packet Page 4 The IPX Vision CONFIDENTIAL -IPX Solution Overview IPX IPX $ SLA $ SLA IPX MNO MNO IPX $ SLA Acme Packet Page Cloud services

Acme Packet

Page

16

CONFIDENTIAL -IPX Solutio

n O

verview

Go

ing

be

yo

nd

vo

ice

: R

CS

an

d I

PX

(an

ima

ted

sli

de

)

PS

PS

CS

CS

CS

CS

PS

PS

CS-voice

SMS

CS-voice

SMS

IMS

IMS

IPX

Packe

tVoice

SIP

SIP (Video Share, MSRP, Prese

nce

HTTP (XCAP, SMTP)

BroadbandUser

BroadbandUser

IMMSRP X

DMS

IMMSRP X

DMS

SIP (Video Share, MSRP, Prese

nce)

HTTP (XCAP, SMTP)

TCP/UDP M

edia

SIP (Video Share, MSRP, Prese

nce)

HTTP (XCAP, SMTP)

TCP/UDP M

edia

SIP

(Packe

t Voice,

Video Share, SMS)

SIP

(Packe

t Voice,

Video Share, SMS)

MSC

Packe

tVoice

SIP/SIP-I

MAP

IP-SM-G

WIP-SM-G

W

MAP

MSC

SIP (Packe

t Voice)

Page 17: Development of IPX: Myth or Reality?...Acme Packet Page 4 The IPX Vision CONFIDENTIAL -IPX Solution Overview IPX IPX $ SLA $ SLA IPX MNO MNO IPX $ SLA Acme Packet Page Cloud services

Acme Packet

Page

17

CONFIDENTIAL -IPX Solutio

n O

verview

i3 F

oru

m’s

vis

ion

of

IPX

mo

de

l

•T

he

i3

Fo

rum

Ca

rrie

rs e

nd

ors

e t

he

ba

sic

IPX

co

nce

pts

aro

un

d h

avin

g a

re

lia

ble

, tr

ust

ed

, se

cure

an

d

qu

ali

ty c

on

tro

lle

d i

nte

rna

tio

na

l (v

oic

e)

serv

ice

•A

lso

th

e c

om

me

rcia

l re

qu

ire

me

nts

are

en

do

rse

d

•M

ore

pra

gm

ati

c a

nd

re

ali

stic

ap

pro

ach

in

ce

rta

in t

op

ics

–S

ecu

rity

to

be

pro

vid

ed

by

Bo

rde

r F

un

ctio

ns

(SB

Cs)

–Q

ua

lity

-of-

Se

rvic

e c

on

tro

l

–B

rea

k-i

n/b

rea

k-o

ut

SP A

SP B

Border

Functio

ns

Border

Functio

ns

CHF

Call Handling

Functio

ns

CHF

Call Handling

Functio

ns

SIP

RTP

IPX Domain

Non-IPX

TDM/IP

Carrier

Non-IPX

TDM/IP

Carrier

Page 18: Development of IPX: Myth or Reality?...Acme Packet Page 4 The IPX Vision CONFIDENTIAL -IPX Solution Overview IPX IPX $ SLA $ SLA IPX MNO MNO IPX $ SLA Acme Packet Page Cloud services

Acme Packet

Page

18

CONFIDENTIAL -IPX Solutio

n O

verview

Fu

ture

of

IPX

mo

de

l

•D

ire

ct c

on

ne

ctiv

ity t

o L

arg

e E

nte

rpri

ses

an

d P

riva

te F

ed

era

tio

ns

•D

ire

ct c

on

ne

ctiv

ity t

o O

TT

Se

rvic

e P

rovid

ers

•E

vo

luti

on

of

IPX

to

Se

rvic

e D

eli

ve

ry N

etw

ork

(S

DN

)

•La

rge

em

ph

asi

s o

n V

ide

o a

nd

OT

T S

erv

ice

s

SP A

SP B

Border

Functio

ns

Border

Functio

ns

CHF

Call Handling

Functio

ns

CHF

Call Handling

Functio

ns

SIP

RTP

IPX Domain

OTT

Service

Provider

Non-IPX

TDM/IP

Carrier

Private

Federation

Large

Enterprise

Page 19: Development of IPX: Myth or Reality?...Acme Packet Page 4 The IPX Vision CONFIDENTIAL -IPX Solution Overview IPX IPX $ SLA $ SLA IPX MNO MNO IPX $ SLA Acme Packet Page Cloud services

Acme Packet

Page

LTE data roaming

•A

ll d

ata

is

“ho

me

ro

ute

d”

–i.

e.

sen

t to

th

e h

om

e n

etw

ork

•S

6a

Dia

me

ter

inte

rfa

ce –

con

tro

l p

lan

e f

or

use

r in

form

ati

on

•S

8 i

nte

rfa

ce –

use

r p

lan

e f

or

da

ta

–G

TP

(G

en

eri

c T

un

ne

lin

g P

roto

col)

or

–P

MIP

(P

roxy

Mo

bil

e I

P)

–N

ot

ha

nd

led

by P

EC

Services

& apps

Core

transport

Access

Aggregation

PoP(EPC)

eUTRAN

eUTRAN

Packe

t data

DIAMETER

Home MSP In

ternet

S6a

S6a

IPX carrier

S8

19

=Diameter Policy Exchange Controller

Page 20: Development of IPX: Myth or Reality?...Acme Packet Page 4 The IPX Vision CONFIDENTIAL -IPX Solution Overview IPX IPX $ SLA $ SLA IPX MNO MNO IPX $ SLA Acme Packet Page Cloud services

Acme Packet

Page

Standards complia

nt

•RFC 3588 Diameter agent (relay or proxy)

•3GPP Diameter Routing Agent (D

RA)

•GSMA Diameter Edge Agent (D

EA)

IPX

EPC

IMS

LTE

EPC

IMS

LTE

Net-Net

Policy Exchange Controller

•Policy–authorization,

location, charging and

service profile inform

ation

using Diameter signaling

•Exchange–policy

inform

ation sent between

network elements or

across network boundaries

•Control–security,

interoperability, routing &

aggregation of Diameter

signaling m

essages

20

Acme Pack

et Confidentia

l

Page 21: Development of IPX: Myth or Reality?...Acme Packet Page 4 The IPX Vision CONFIDENTIAL -IPX Solution Overview IPX IPX $ SLA $ SLA IPX MNO MNO IPX $ SLA Acme Packet Page Cloud services

Acme Packet

Page

But in Reality –802.11 offload may be preferred

•8

02

.11

WIF

I/H

ots

po

ts

•H

om

e/B

usi

ne

ss/C

om

me

rcia

l/M

un

icip

al

Ne

two

rks

•D

HC

P U

niv

ers

al

•O

rth

og

on

al

Bil

lin

g/P

riva

cy/S

ecu

rity

Sch

em

es

•V

ery

Hig

h C

ap

aci

ty

Services

& apps

Core

transport

Access

Aggregation

eUTRAN

eUTRAN

Home MSP In

ternet

S6a

S6a

IPX carrier

S8

21

Internet

802.11

Hotspot

WIFI

Packe

t data

DHCP

Page 22: Development of IPX: Myth or Reality?...Acme Packet Page 4 The IPX Vision CONFIDENTIAL -IPX Solution Overview IPX IPX $ SLA $ SLA IPX MNO MNO IPX $ SLA Acme Packet Page Cloud services

Acme Packet

Page

Roaming for Services in IMS

•T

he

re a

re v

ari

ou

s a

pp

roa

che

s to

ro

am

ing

in

IM

S

–H

om

e r

ou

ted

wit

h d

ata

ba

ckh

au

l to

ho

me

ne

two

rk (

exi

stin

g d

ata

mo

de

l)

–D

istr

ibu

ted

po

licy

co

ntr

ol

wit

h p

oli

cy i

nte

rfa

ces

–V

isit

ed

P-C

SC

F w

ith

po

licy

co

ntr

ol

in v

isit

ed

ne

two

rk

–V

isit

ed

se

rvic

es

wit

h I

MS

co

re i

n v

isit

ed

ne

two

rk

•O

ne

Vo

ice

/ I

R.9

2 s

ele

cte

d V

isit

ed

P-C

SC

F m

od

el

–P

rovid

es

stro

ng

ba

lan

ce o

f vis

ite

d c

on

tro

l a

nd

ho

me

vis

ibil

ity/s

erv

ice

s

22

Acme Pack

et confidentia

l

Home

Network

Visited

Network

eUTRAN

Home Routed

eUTRAN

H-P

CR

F

V-P

CR

F

eUTRAN

PC

RF

eUTRAN

PC

RF

Distributed

Policy Control

Visited

P-CSCF

Visited

Services

22

PC

RF

Page 23: Development of IPX: Myth or Reality?...Acme Packet Page 4 The IPX Vision CONFIDENTIAL -IPX Solution Overview IPX IPX $ SLA $ SLA IPX MNO MNO IPX $ SLA Acme Packet Page Cloud services

Acme Packet

Page

Pragmatic pure IP connectivity may be

preferred

•S

erv

ice

s w

ill b

e b

ran

de

d a

nd

un

iqu

e

–D

eli

ve

red

ov

er

the

to

p o

f o

the

r IP

Acc

ess

Ne

two

rks

to e

nsu

re u

nif

orm

de

liv

ery

–U

niv

ers

al In

tero

pa

t th

e S

IP la

ye

r n

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23

Acme Pack

et confidentia

l

eUTRAN

eUTRAN

Home Data Center(s)

Internet

S6a

S8

H-P

CR

F

802.11

Hotspot

WIFI

Packe

t data

DIAMETER

IPX carrier

(optio

nal)

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Acme Packet

Page

Data Center Approach to IMS

•Deploy Data Centers

–Create a Service Delivery Network

–Has Public Addresses

–Universally reachable

•All applications m

ust work everywhere

–Must work across all access networks

•Single-Sign O

n R

equired

–Phone & Service m

ust easily m

ove

between:

-Different LTE providers

-Different IP Access Networks (802.11 reachable)

–Avo

id Re-authentication

–Retains service context with no loss of service

–Support 3G Roaming (ATCF)

•EPC Role Redefined

–Only an Access Network

–No Service Infrastructure

–No Service participation

–Roaming is for Data O

nly

Backbone

Data centers

IPX

LTE

EPC

1FTTx

LTE

EPC

2

Other

IPNwk

3G Net

Ubiquitous Service Area

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Acme Packet

Page

VoLTEConclusions for i3Forum

•Current Roaming m

odels are impractical, and not likely to survive long

term –Backhaul of bandwidth too expensive

–SIP UA Universal Interoperability not likely soon

–Service Differentiation by carriers not possible

•IPX O

pportunities in LTE

–Access/Authentication/Identity/Trust during roaming

–Charging during roaming

–Connections to existing 3G

–Connections between LTE Providers

–PSTN Term

inations

–Connections to Enterprises

–Connections to Federations

25

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