Nortel Corporate Presentation
Network Evolution to NGN and
Convergence
2.1.1:
Mobile Network Evolution
to NGN
ITU-BDT Regional Seminar on Fixed Mobile
Convergence and Guidelines on the smooth
transition of existing mobile networks to IMT-2000
for Developing Countries for Africa Region
Nairobi, Kenya 9-12 May 2005
John Visser, P.Eng.
Sr. Mgr., International Network Standards
Phone:
Fax:
Mobile:
Email:
+1-613-763-7028
+1-613-765-6257
+1-613-276-6096
jvisser@nortelnetworks.com
Mobile Network Evolution to NGN
John Visser, P.Eng.
Sr. Mgr., International Network Standards
Nairobi, 9-12 May 2005
© 2004 Nortel
1
Nortel Corporate Presentation
Outline
> What do users value? What is needed to deliver it?
> Mobility and convergence are key dimensions of the NGN
> Major shifts occurring
• Subscriber base (ref. presentation 1.3.1)
• What the access technologies can deliver
> Convergence of Telecoms, Data, Broadcasting
• Wireless access and network transformation
• Blending user devices
> Realizing the Vision
3
End Users Value ...
The
Multimedia
Experience
The
Freedom of
Mobility
Security &
Personalization
… for enhanced productivity
and user experience
4
© 2004 Nortel
2
Nortel Corporate Presentation
Eliminate boundaries ...
5
... to enable ubiquitous and
seamless solutions
Transforming the User Experience –
Application Convergence
Call Logging
“One-Click”
to all contacts
Collaboration
Services
Personal Agent
manages your
incoming calls
Wireless LAN
Access
The new
enterprise
Desktop Video
Conferencing
Calling Line ID
Calling Picture Presentation
Send Call to Voicemail
Send Call to pre-determined
destination
Reject Call
Click-to-call on box
Call Logs
Address Book
The new
home center
6
© 2004 Nortel
3
Nortel Corporate Presentation
Changing Communications Landscape
Enterprise-Driven
Consumer-Driven
Hardware-Centric
Software-Centric
Wireline
Wireless
People to Machines
Machine to Machine
Peripheral Security
Embedded
Proprietary Interfaces
Open (incl. Policy)
Trusted
Convergence to new target
7
Forecasts
> Many available!
• Example: Yankee Group, News Release 24 Jun 2003:
• estimate 18.6% of world’s population currently has mobile phones
• global wireless user base will increase 49% over next 4 years, reach
1.72B by 2007
• global cellular subscriber revenue will grow from $387B in 2002 to
$584B in 2007, similar in value to crude oil production
• Reality: Dec 2004*:
• enormous growth in Russia, India China: China added 9.25M mobile
subscribers in Feb 2005!**
• global wireless user base: 1.5B at end 2004; internet user base: 700M at
mid 2004
• global mobile revenue already $414B in 2003
*
CNN: www.cnn.com Dec 9, 2004, using ITU info
**
Shosteck Email Briefing, April 2005; www.shosteck.com
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© 2004 Nortel
4
Nortel Corporate Presentation
Enhanced End User Experience:
Blending User Devices
> PC, phone(s) and PDA: different user interfaces to the
same network-based application
> Common, network-based directory for:
•
•
•
•
Phone numbers
Buddies & presence
Email address book
All applications
> Just one address to reach the user
> Unified, network-based, user profile applying to all
terminals
• E.g., set presence location, (call routing preferences), etc., on any
terminal and it applies to all
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Seamless Mobility
> “The ability for a user or machine to access services, while
freely moving within and between network types,
regardless of client type, domain or service provider
without having to re-authenticate or re-logon while
maintaining functionality of any application.”
10
© 2004 Nortel
5
Nortel Corporate Presentation
IMS and Interworking
SIP/
SDP
IMT-2000 Family
Member B Network
IMT-2000 Family
Member A Network
SIP/
SDP
IP Network
AAUE
UEshould
shouldbe
beable
ableto
toset
setup
upaa
multimedia
session
with
a
UE
multimedia session with a UEin
in
another
anothernetwork,
network,and
andshould
shouldbe
be
able
ableto
toroam
roamto
toother
othernetworks.
networks.
ISP
(e.g., WLAN)
SIP/
SDP
11
Wireless Landscape: what the access
technologies can deliver
Wireless
WirelessWide
WideArea
AreaNetwork
Network
(WWAN)
(WWAN)
>>
>>
>>
Mobility
Fixed/
Desktop
DECT
Bluetooth
Outside
Campus
0.1
1
HiperLAN2
802.11a, g
Walk
>>
>>
>3G
802.11b
Within
Campus
Fixed
Wireless
WirelessLocal
LocalArea
AreaNetwork
Network
(WLAN)
(WLAN)
>
>
>
>
CDMA2000 1X EV-DO
& UMTS - W/CDMA
Walk
CDMA2000 1X
GSM/GPRS
Vehicle
Metro/Geographical
Metro/Geographicalarea
area
“Always
“AlwaysOn”
On”Services
Services
Ubiquitous
Ubiquitouspublic
publicconnectivity
connectivitywith
with
private virtual networks
private virtual networks
10
Public or Private Site or Campus
Public or Private Site or Campus
Enterprise / premises application voice
Enterprise / premises application voice
&&data
datanetwork
networkextension
extension
Nomadic
Nomadic/ /“pull”
“pull”services
services
Non-licensed
Non-licensedspectrum
spectrum
LAN
100
Mbps
12
© 2004 Nortel
6
Nortel Corporate Presentation
Mobile
Wireless Broadband –
The New Category
3GPP Evol?
UMTS
Cellular
Wireless
Broadband
HSDPA
Local Area
1xEV-DO
F-OFDM
WiMAX 802.16e
WiFi
Cordless
802.11 a/b/g
Fixed
WiMAX 802.16d
POTS
Broadband
2004-2006 Rollout
Existing
NG –
DSL / Cable /DSL
Fiber / DLC
Voice & Messaging
13
802.11 n
2006+
CMS Converged Mobility Solution –
Access Virtualization
Leveraging MCS 5200 with Dual-Mode WLAN/Mobile Handsets
Default Wireless Carrier
Use when on the move
WLAN Carrier/Partner
Use When Available
One Number, One Phone
• Based on Nortel MCS 5200
SIP Application Server
• Provides Multimedia +
Mobility services integrated
into one consistent service
offering
• Integrates Mobile client with
Desktop client for richer user
experience
• Same architecture can be
deployed to Wireless/Wireline
carriers, public/private
networks
• Customer segments span
Consumer to Business
14
© 2004 Nortel
7
Nortel Corporate Presentation
Challenge: Move from Secure to
Trusted Communications
Peripheral security
Enterprise
Network
Internet
Embedded security
Internet
Enterprise Network
15
New Security Challenges….
Enterprise
Web Hosters
Optical
Ethernet
e-Commerce
Mobile Operators
GPRS, 3G
Wireless LAN
Content Providers
VoIP soft-clients
Voice on
Packet Public
Networks
End-to-end NETWORK security focus needed
End-to-end services means piece-meal
approach is no longer sufficient!
16
© 2004 Nortel
8
Nortel Corporate Presentation
New Deployment - Wireless Mesh
Networks
> Makes WiFi public /
city hotspot
deployment economic
> Reduces Operating
Costs – Backhaul
> Commercially
Available
> Taipei, Taiwan
Deployment
Announced
> 4 Universities – 2
continents
Can be used to extend WiFi coverage + Use WiMAX 802.16e or
HSXPA MVNO to provide macrocellular coverage
17
Harmonized IMS Functional
Architecture
18
© 2004 Nortel
For a tutorial on the IMS, see, e.g., Tom Towle’s presentation for the
March 2005 NGN Workshop in Jeju, Korea, available at:
http://www.itu.int/ITU-T/worksem/ngntech/presentations/s1-towle.pdf
9
Nortel Corporate Presentation
What is IMS? (1/2)
> IP Multimedia Subsystem
• A set of core network functional entities to support access to
operator provided SIP based services.
> Builds on IETF protocols to create a robust and complete
multi-media system
• SIP, SDP, DIAMETER
• Enhancements, operational profiles provide support for operator
control, charging and billing, and security
19
What is IMS? (2/2)
> Vertical interfaces to transport level provide:
• Coordinated assured QoS (session layer negotiation matches
resources at transport layer)
• Media gating under operator control
• Correlated accounting among service, session and transport layers
> Coordinated network interfaces provide:
• Better user service experience:
• QoS, accounting, single sign-on, better security, etc.
• Common Application Server interfaces for:
• Accounting/charging, security, subscriber data
• Service building blocks (e.g., for Presence, Location)
20
© 2004 Nortel
10
Nortel Corporate Presentation
Some sample IMS in NGN scenarios
21
What does this mean for the Core
Network?
> Common, access independent NGN Core Network
solution: IP-based using IETF protocols
> Basic mobile telecommunications paradigm includes
integration of IMT-2000 (3G) and Wireless LANs
> Common issues dealt with in a common way:
•
•
•
•
•
QoS
Fraud/Privacy
CS (legacy) interworking
Charging
...
22
© 2004 Nortel
11
Nortel Corporate Presentation
NGN - Convergence Model
> What’s new: horizontally integrated network
Video Services (TV, movie, etc.)
Data Services (WWW, e-mail, etc.)
Telephone Services
NGN Services
Point to point, point to multipoint,
multipoint to multipoint
NGN Transport
Point to point, point to multipoint,
multipoint to multipoint
ITU-T Recommendation Y.2011
23
3GPP R5 network architecture
Signalling
This
animated chart is
& Control
provided as two
Bearer
discrete charts at the
Roaming
end of this package.
OSA
Gateway
HSS
Session
Control
Policy,
Billing
Media
resources
3GPP R5
Service
Edge
Signalling
Gateway
TDM
PSTN
Media
gateway
Packet
core
Service
Edge
Internet
• 3GPP R5 IM Subsystem provides a SIP and H248 framework for the applications and
control environment of converged wireless networks
• Applications creation environment permits extending applications to users
independently of their means and point of access
24
© 2004 Nortel
12
Nortel Corporate Presentation
Nortel’s fully Converged Architecture
Content
Application
Servers
3rd Party
applications
Roaming,
Personalisation,
Presence
PRI interworking,
BRI and lines gateway
3GPP R5
DSL
Cable
Enterprise
MultiService
Edge
MultiService
Edge
Application QoS
Content switching
WLAN
Converging wireless, wireline, Enterprise, voice, multimedia and data
25
Convergence Implementation
Service
Service
Convergence
Convergence
• •MCS
MCSVoIP
VoIP&&
Multimedia
Multimedia
services
services
• •Lowest
Lowestcost
cost––
highest
highestvalue
value
• •Customer
Customer
relationships
relationships
• •Business
Business
development
development
Now
26
© 2004 Nortel
Reach:
Reach:Evolve
Evolveto
to
BB
BBNetwork
Network
• •Build
Buildout
out
broadband
broadband
network
network
• •Richer
Richer
functionality
functionality
• •QoE
QoE
• •Greater
GreaterCoI
CoI
2H
2005
Scale:
Scale:Enhance
Enhance
Services
Services
Infrastructure
Infrastructure
Advanced
Advanced
Services:
Services:
Transparent
Transparent
Mobility
Mobility
• •Converge
Converge
Transport
Transportcore
core
network
network
• •Evolve
Evolveto
toCMS
CMS
architecture
architecture
• •Partner
platform
Partner platform
• •Leverage
Leverage
proliferation
proliferationof
of
intelligent
intelligentedge
edge
devices
devices
• •Establish
Establishnew
new
business
business
relationships
relationships
2006
2006+
13
Nortel Corporate Presentation
Convergence
This animated chart is
provided as three
discrete charts at the
end of this package.
Infrastructure
Services
GGSN
Call Server
MGW
PDF
HLR/
HSS
Call Server
MGCF
MGW R4
PSTN
PSTN
HA
Architectural
GSM
GSM
HA
Internet
Intranet
Call Server
PDG
Internet
Intranet
Call Server
MGCF
MGW
PDG
PDSN
PSTN
SGSN
R4 BICN
PDSN
PDG
PDSN
PDF
Internet
Intranet
SGSN
GGSN
BICN
Application Servers
Intelligent Infrastructure
CSCF/SCM
Packet Based
HLR/
HSS
Call Server
MGCF
Application Servers
UMTS CDMA WLAN DSL/Cable
Access Independence
UMTS CDMA
WLAN DSL/Cable
27
Thank you!
28
© 2004 Nortel
14
Nortel Corporate Presentation
OSA
Signalling
3GPP
R5 network architecture
1/2
Gateway
& Control
Bearer
Roaming
HSS
Session
Control
Policy,
Billing
Media
resources
Signalling
Gateway
TDM
PSTN
Service
Edge
Media
gateway
Packet
core
Service
Edge
Internet
• 3GPP R5 IM Subsystem provides a SIP and H248 framework for the applications and
control environment of converged wireless networks
• Applications creation environment permits extending applications to users
independently of their means and point of access
29
3GPP R5 network architecture 2/2
3GPP R5
30
© 2004 Nortel
15
Nortel Corporate Presentation
Convergence - Non-animated - Step 1
Call Server
PDF
HLR/
HSS
Call Server
MGCF
PDG
PDSN
PSTN
Internet
Intranet
Call Server
MGCF
GGSN
MGW
Call Server
Internet
Intranet
HA
MGW
PSTN
SGSN
Architectural
PDG
PDSN
R4 BICN
GSM
UMTS CDMA
WLAN DSL/Cable
31
Convergence - Non-animated - Step 2
Application Servers
Call Server
Services
PDF
HLR/
HSS
Call Server
MGCF
MGW
PDSN
SGSN
Architectural
Internet
Intranet
Call Server
MGCF
GGSN
PSTN
Call Server
Internet
Intranet
PDG
HA
MGW
PDSN
PDG
PSTN
R4 BICN
GSM
UMTS CDMA
WLAN DSL/Cable
32
© 2004 Nortel
16
Nortel Corporate Presentation
Convergence - Non-animated - Step 3
Application Servers
Infrastructure
Intelligent Infrastructure
Packet Based
HLR/
HSS
Call Server
MGCF
Services
CSCF/SCM
MGW
GGSN
HA
Internet
Intranet
PDG
SGSN
R4 BICN
Architectural
PDSN
PSTN
PDF
GSM
UMTS CDMA WLAN DSL/Cable
Access Independence
33
© 2004 Nortel
17