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IMS: a paradigm shift in service
creation and delivery
NEC Europe Ltd.
Heidelberg, Germany
Daniele Abbadessa
[email protected]
22 November 2004, NEC Proprietary
IP Multimedia Subsystem
It is a service control platform designed to:
 facilitate development / use of multimedia services
 be independent of the access network
 leverage the Internet
 provide interoperability across mobile and fixed networks
Application Servers
IMS
WLAN
RAN
PSTN
Internet
Core Network
other Mobile
Networks
22 November 2004, NEC Proprietary
2
IMS Platform
Core IMS
PSTN
IMS
WLAN
RAN
Internet
Core Network
other Mobile
Networks
22 November 2004, NEC Proprietary
3
T-SGW
MGCF
MRF
Application Servers
IM-MGW
Interworking
P-CSCF
I-CSCF
HSS
S-CSCF
Session
Control
Customer
Control
Chat
PoC
Video
Answer
Presence
Multiparty
Game
Suppl.
Services
IMS Platform
Application Servers
Application Servers
PSTN
IMS
WLAN
RAN
Internet
Core Network
other Mobile
Networks
22 November 2004, NEC Proprietary
4
Is IMS Really Needed?
The IP Multimedia Subsystem (IMS) offers a flexible
revenue generating service platform which:
 enhances the role of Mobile Operators
in the Mobile Value Chain
 enhances service differentiation
 ensures service interoperability
 enriches user experience
. . . . . .
… but do you really need it?
22 November 2004, NEC Proprietary
5
Market Drivers
Revenue Growth in
Data Services
Dropping of voice
revenue/minute
Western Europe Forecast
Communication Evolution:
Group Communication
140.0
120.0
EUR bn
100.0
+22% per year
80.0
60.0
40.0
Data
20.0
Voice
2003
2004
2005
2006
2007
Flexible Multimedia
Service Platform
Lack of Killer Application
22 November 2004, NEC Proprietary
6
New Threats From
Internet Players
IMS Benefits
One Platform – Many Services
Western Europe Forecast 2007
Voice and Data Service Revenue
Data – 31%
Required Capability
22 November 2004, NEC Proprietary
Partially Required Capability
7
Multiparty
Gaming
Home
Monitoring
Info-Entertainment
€11.2 b
Event watcher
(Stocks, etc.)
Enterprise
€3.2 b
Information
Delivery
Enterprise
Applications
Multimedia Call
Text-based
Chat
Instant
Messaging
IMS Fuctionality
Presence
Multiple Identity
Session Control
Broadcasting
Conferencing
Barring and Forwarding
Interwroking with IP Networks
Interworking with PSTN
Policy Control (QoS)
Security
Charging
Buddy List
Application
Push-To-Talk
M-commerce
€0.8 b
Streaming
Applications
(Source:
The the
Yankee
Group,
2002)
(Source:
Yankee
Group)
Multimedia
Group Call
Voice – 69%
P2P Communication
€24.8 b
IMS Benefits
New Platform Approach
........
Charging
Media Control
........
IMS Service Approach
Application
Layer
Gaming
Download
Streaming
Delivery
Charging
Media Control
........
Charging
Application Servers
• Session Control
• Media Control
• QoS
• Charging
• .......
Network Subsystem
Network
Layer
Multi-service IP Network
Base Station Subsystem
Access
Layer
...
22 November 2004, NEC Proprietary
QoS
IP Multimedia Subsystem
QoS
Control
Layer
QoS
Media Control
Unified
Messaging
Vertical Service Approach
8
2.5G/3G
WLAN
...
PSTN
NEC Vision
Modularity and Openness
..
Operator
Application K
Operator
Application 2
Operator
Application 1
..
Application n
Application 2
3rd Party
Applications
Application 1
Modularity and Openness will enable greater
Service Differentiation and Time-to-Market!!
Mobile Operator
Applications
IMS
22 November 2004, NEC Proprietary
9
Gaming
...
...
Application Layer
Gaming
Lounge
IM
Chat
Presence
PoC
Key
Enablers
Basic
Applications
Group list
mgmt
Service Creation Environment
...
10
Group
Mgmt
Gaming
IM
IMS
Location
Service
22 November 2004, NEC Proprietary
Chat
PoC
Address
Book
Presence
 Shared amongst various
Application Servers
...
3rd Party
Application k
3rd Party
Application 2
 Group Management
3rd Party
Application 1
 Presence
Enterprise
Database
 Enriched Address Book:
Enterprise
Database
Enterprise
Database
User Case:
Group Communications in Enterprises
User Case:
Group Communications in Enterprise
 An Enriched Address Book with Presence and
Group features can be a powerful catalyst for
stimulating service usage
John (Heidelberg)
John (Heidelberg)
PoC
Team A
Project ACME Voice Call
Lisa (London)
Marcus
Peter (Heidelberg)
Paul
Video Call
Share Application
Simone
Chris accesses his
address book
Lisa (London)
Peter (Heidelberg)
Chris selects “Project ACME”
and chooses how to
communicate with the other
team mates
22 November 2004, NEC Proprietary
11
User Case:
Group Communications in Enterprise
Marcus
UMTS
Paul
Chris
1. PoC session
Simone
2. Application sharing
3. PoC evolves in conference call
22 November 2004, NEC Proprietary
12
NEC Vision
Convergence of Services
 Access of services across networks is crucial for
service adoption!!
SIP Clients
Internet
Application Servers
PSTN
IMS
E-WLAN
UMTS
P-WLAN
SIP Clients
SIP Terminal
22 November 2004, NEC Proprietary
SIP Clients
13
User Case:
PhoneBook & Calendar
 PhoneBook & Calendar is available to Enterprise
Users in their office …
PhoneBook
& Calendar
Mobile Operator Services
UMTS
Enterprise Network
Lucy @ work
22 November 2004, NEC Proprietary
14
Steve @ work
User Case:
PhoneBook & Calendar
 …. as well as outside their office!
PhoneBook
& Calendar
Mobile Operator Services
UMTS
Enterprise Network
€
Lucy leaves office
Lucy @ airport
22 November 2004, NEC Proprietary
Steve @ work
15
IMS Today
Near Real-Time Services
 Mobile operators can already benefit from IMS
and enrich their product portfolio:
Enterprise Solutions
[email protected]
11/22 22:42
-------------------------
Desktop sharing
MOBILE GROUP
MESSENGER is very
easy to use, as it
incorporates
Multiparty
Gaming
IMS User
Presence Enabled Services
Stock
Watcher
Football
Watcher
PoC & Groups
Presence, IM & Chat
22 November 2004, NEC Proprietary
16
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