Transcript LIDB Tutorial

IP Multimedia Subsystem (IMS)
Industry Status/ Expectations/
Challenges
Contacts:
Contribution to:
NANC FoN
October 4, 2006
Copyright © 2006
2005 Telcordia Technologies
All Rights Reserved
Hala Mowafy
[email protected]
(732) 699-6525
Zehan Zeb
[email protected]
(732) 699-6163
IMS
Industry Status/Expectations: Outline

Background and Drivers
Standards Activities
Research and Industry Forecasts


–

Key Industry Players
Industry Activities

–
–


Where the U.S. Stands on IMS
Implementations
Trials
Challenges
– Risks, Obstacles and Success
Expected Adoption Cycle
IMS Industry Activities - 2
IMS
IMS: An NGN Solution
IMS Services
•Push-to-talk
•Gaming
•Video conferencing
Wi-Fi
IP Multimedia Subsystem Internet
3G
Cable
DSL
PST
N
IMS Industry Activities - 3
IMS
Market Trends and Operators
*Source:
MSO: Multi-Service Operator
VSP: Virtual Service Provider
RelevantC 2004
IMS Industry Activities - 4
IMS
PSTN to IMS Migration
Mobile
PSTN
Internet
Video
Mobile
VoIP
Internet
Multi-Media
Services Video
OAM&P
IMS
Service
Applications
Call/Session
Control
Switching &
Transport
User Device
IMS Industry Activities - 5
IMS
PSTN to IMS Migration
Beginnings
of IMS
PSTN
PSTN
Emulation
and
Simulation
True IMS
IMS Industry Activities - 6
IMS
PSTN to IMS Migration
SIP
SMS
GW
GW
Legacy
mobility
GW
PSTN
HSS
SIP AS
Transitional
Messaging
App Server (AS)
PSTN
Emulation and
Simulation
IMS
Presence
True IMS
IMS Industry Activities - 7
IMS
SS7 and IP

The advent of IMS does not mark the
immediate demise of the PSTN or SS7
–
–

SS7 continues to be a critical piece of value
services such mobile, SMS and LNP
The PSTN – as we know it – still has the widest
reach to the world population and size matters
when it comes to network value
IP migration takes time and carriers will
vary in level of progress; some will get there
sooner than others
IMS Industry Activities - 8
IMS
Standardization

IMS aims to standardize network interfaces
and avoid fractured technologies and
proprietary products
SP#1
–
–
Open network interfaces
Open platforms
SP#2
Applications and
Services Layer
OSS / BSS
Layer
Control
Layer
Network
Layer
IMS Industry Activities - 9
IMS
Activities at Standards/Industry Forums
 Background
on 3GPP and 3GPP2
3GPP was pioneered by the European
Telecommunications Standards Institute (ETSI)
early in 1998 with the proposal to create a Third
Generation Partnership Project (3GPP) focusing
on Global System for Mobile (GSM) technology
– 3GPP2 was born out of the International
Telecommunication Union's (ITU) International
Mobile Telecommunications "IMT-2000" initiative,
covering high speed, broadband, and Internet
Protocol (IP)-based mobile systems for
ANSI/TIA/EIA-41 (North America and Asia)
–
IMS Industry Activities - 10
IMS
Activities at Standards/Industry Forums
 Roots
of IMS: 3G Activities (3GPP and
3GPP2)
– 3GPP
(3rd Generation Partnership Project)
• Releases 4, 5, 6, 7
• TSG-SA: TSG Service and System Aspects (TSG SA)
is responsible for the overall architecture and service
capabilities of systems based on 3GPP
specifications, including charging, security and
network management
• TSG-CT: The TSG Core Network and Terminals (TSG
CT) is responsible for specifying terminal interfaces
(logical and physical), terminal capabilities (such as
execution environments) and the Core network part
of 3GPP systems
IMS Industry Activities - 11
IMS
Activities at Standards/Industry Forums
 3GPP2 (3rd Generation Partnership Project 2) –
CDMA2000 mobile networks
–
–
–
Mirroring IMS developments in 3GPP
TSG-S: The Services and Systems Aspects (TSG-S) is
responsible for the development of service capability
requirements based on 3GPP2 specifications. It is also
responsible for high level architectural issues
TSG-X: The TSG Core Networks (TSG-X) is responsible for:
• charging, accounting and billing specifications
• management of work items placed under its responsibility;
• evolution of core network to support interoperability and
intersystem operations;
• network support for enhanced privacy, authentication, data
integrity and other security aspects;
• specifications for international roaming;
• multimedia services (e.g., voice over IP)
• private network access
• QoS support
• IMS specifications
IMS Industry Activities - 12
IMS
Activities at Standards/Industry Forums
GSC
GSC9
GSC10
ITU-T
Global
NGN
Framework
WTSA
NGN
Framework
NGN
Focus
Group
SG13
WTSC
T1P1
OBF
PTSC
(T1S1)
NIIF
TMOC
(T1M1)
SG15
OPTXS
(T1X1)
JWG
SA1
SA2
ETSI
NGN
OSS
STF
NGN
WG8
TISPAN
WG7
WG1
WG6
WG2
WG3
WG5
AT-D
WG4
LI
NGN@home
* Forums as of June 2005
PGC
Transport
CableLabs
SG09
W3C
DSL Forum
DMTF
ECMA
TeleManagement
Forum
SA4
OMA
3GPP2
MESA
IPDR
TIA
OSS/J
TSG-X
TSG-S
TR-8.8 CPWG
TSG-A
TSG-C
3GPP2 OP
TR-34.1.7
PAM
Internet
SG02
SA5
SA3
Security
SG03
SG16
3GPP
INC
SG04
SG19
SG17
VoIP FG
Routing
O&M
NGNMFG
NGN*
Focus
Group
WAE FG
MWS FG
IETF
General
SG11
ATIS
Applications
Parlay
CCUI
PM
CBC
TR-41
TR-45
TR-45.2
OASIS
TR-45.6
RosettaNet
EPCglobal
IMS Industry Activities - 13
IMS
Activities at Standards/Industry Forums
 IETF:
–
IP Telephony and Internet Standards
IP
• IMS nodes must support IPv6
• Mobility for IPv4
–
SIP, SIP Peering and SIP-based services simulate
popular PSTN services and more, which include:
•
•
•
•
Chat
Location-based services
Picture messaging (leverages IM and buddy lists)
Video conferencing
ENUM
– DIAMETER
– Emergency calling geographic location
– Global communications for disaster recovery
–
IMS Industry Activities - 14
IMS
Activities at Standards/Industry Forums
 ETSI
TISPAN:
Recognize that evolution to IMS will take time and
other forms of PSTN emulation will exist until full
IMS is reached
– Since September 2003, the ETSI Technical
Committee TISPAN has been developing a set of
standards that can be used by industry as the
foundation for the Next Generation of Networks
(NGN)
– In December 2005, NGN R1 was approved
–
IMS Industry Activities - 15
IMS
Activities at Standards/Industry Forums
 ITU-T
Study Group (SG) 13
Focus Group on Next Generation Networks
(FGNGN) approved NGN Release 1 Scope and
Requirements in November 2005
– Also approved IMS for NGN
–
• QoS
• Functional architecture
• Service scenarios
 ITU-T
–
SG 11
Approved draft technical report specifying the
aspects of IP QoS signaling requirements in
December 2005
IMS Industry Activities - 16
IMS
Activities at Standards/Industry Forums
 ATIS
–
NGN Focus Group:
• NGN Framework
• Gap Analysis
–
PTSC (Packet Technologies and Systems
Committee)
• IP-IP interconnection of carrier networks
 Public and infrastructure ENUM
• Call control
• Border Control functions
IMS Industry Activities - 17
IMS
Activities at Standards/Industry Forums
 Open
–
Mobile Alliance (OMA)
Formed in June 2002 to facilitate global user
adoption of mobile data services
• Currently, there are 15 Technical Working Groups and
two Committees of the Technical Plenary (e.g., Browser
& Content, Games Services, Location, Messaging, etc.)
–
Consolidated the WAP Forum, Location
Interoperability Forum (LIF), SyncML Initiative,
MMS-IOP (Multimedia Messaging Interoperability
Process), Wireless Village, Mobile Gaming
Interoperability Forum (MGIF), and the Mobile
Wireless Internet Forum (MWIF) into OMA
IMS Industry Activities - 18
IMS
Activities at Standards/Industry Forums
 Other
Industry Impacts of IMS that will drive
standards or de-facto standards efforts:
–
Billing and OSS changes
•
•
•
•
•
–
Settlements
Detail Recording
Home Subscriber Server (HSS)
DIAMETER is the chosen accounting protocol
Even IPDR is not IMS-ready
Special SIP-based handsets
IMS Industry Activities - 19
IMS
IMS Industry Players
 Service
Providers
(including ISPs, ASPs)









AT&T
British Telecom (BT)
Cingular
France Telecom
Microsoft
NTTDoCoMo (Japan)
Sprint-Nextel
South Korea Telecom
TeliaSonera (Finland
and Sweden)
 Equipment
•
•
•
•
•
•
•
•
•
vendors
Cisco
Ericsson
HP
Lucent
Nokia
Nortel
Siemens
Tekelec
Verso
IMS Industry Activities - 20
IMS
Other Industry Players

Web developers are proponents of open
Internet access (Net Neutrality)
Competition is imminent;

–

3rd party voice, like Skype and Vonage do not need
IMS
Service providers, such as BT, recognize that
their next-generation revenues could be
affected if the applications providers do not
come on board
IMS Industry Activities - 21
IMS
Other Industry Players

IPSphere
–
–
Focus on the “business of IP”
Members include:
•
•
•
•
•
•
•
•
•
•
Alcatel
AT&T
BT
Cisco
Ericsson
HP
IBM
Nortel
Siemens
Verizon
IMS Industry Activities - 22
IMS
Other Industry Players

IMS Forum
–
–
Used to be the International Packet
Communications Consortium (IPCC)
Accelerates the adoption of IP Multimedia
Subsystems by providing an environment for
discussion and resolution of real world
implementation issues relating to
interoperability, best practices, and standardsbased architectures
IMS Industry Activities - 23
IMS
Research and Forecasts
 Research
from Apertio (5th April 2006, CTIA)
shows that US Leads the Way Towards IMS
–
–
–
–
US global telecommunications operators overwhelmingly place
greater emphasis on deploying IMS, in comparison with
European operators
86 percent of US operators classify it as a key business
priority, versus 66 percent of their European counterparts
Nearly one in five US operators also expect return on
investment (ROI) in less than two years - more ambitious than
those in Europe
The research, ‘IP Independence’, also found key drivers
towards IMS are
• the cost of new service provisioning on conventional
architecture, and
• the need to offer attractive service bundles to subscribers to
prevent churn and increase data usage
IMS Industry Activities - 24
IMS
Research and Forecasts (contd.)
 Key findings from the Apertio research are:
– 93% of respondents believe that IMS will have a positive
impact on operational cost reduction, with 40%
considering that impact to be ‘significant’
– 85% of respondents also see the removal of legacy
infrastructure as a critical aspect of reducing operational
cost
– 79% of carriers are using a disparate combination of
tactics to deliver IMS, highlighting a lack of best practice
 According
to Pyramid Research (Warren
Communications, August 18), 66% of household
VoIP users will run on an IMS platform by 2010
IMS Industry Activities - 25
IMS
Research and Forecasts (contd.)
 Some
studies show the main motivation for IMS
is to Reduce Operating Costs
 At
the VON Fall 2006, IMS panel discussions
revealed that:
77% of survey respondents plan to deploy IMS in next 2
years
– ROI is still a “grey area”
– Majority is looking for long-term savings of 10.5%
– Service capability may not be the main driver for IMS
deployment
–
IMS Industry Activities - 26
IMS
Trials
 Global Trial of IMS R3
– The Multiservice Switching Forum (MSF) will hold a
global trial in October 2006 (network test facilities across
three continents)
– Involves five leading carriers: BT, KT, NTT, Verizon and
Vodafone
– Concerns over interoperability and roaming for real-time
applications
 GSMA global trials
– GSMA is a global trade association consisting of 2G
and 3G operators and manufacturers
– Recent press releases by Siemens and Time Warner
Cable indicated their preliminary trials demonstrated
successful integration of fixed line, mobile and WiFi
IMS Industry Activities - 27
IMS
Trials (contd.)
 IPSphere
Forum announced in May 2006,
several key milestones in the Forum’s formal
work program
 On May 9, in Tokyo, the IPSphere staged a
working instantiation of mediated next-gen, video
services to leading Asia Pacific networks
IMS Industry Activities - 28
IMS
Obstacles/Challenges
 The
following are recognized as the major categories
of challenges for IMS operators:
Business Issues
• E.g., choosing the correct strategies for doing business in a
multi-carrier-vendor environment
– Technical Issues
• E.g., choosing the correct strategies for introducing
elements of IMS into any network
– Interoperability
• E.g., keeping track of the crucial migratory issues,
interoperability and interconnectivity with existing network
infrastructure
–
IMS Industry Activities - 29
IMS
Obstacles/Challenges (contd.)
 Other challenges include
– Handset compatibility
– Lack of high-quality dual-mode capable handsets
– Battery life
– Differences due to operator implementation of
• early IMS
• Authentication mechanisms
• SIP compliance
– Subscriber-centric policy management
• Making IP applications available over any network
requires greater focus on the subscriber, rather than on
any particular network
IMS Industry Activities - 30
IMS
Obstacles/Challenges (contd.)

There are concerns that IMS is being delivered
in releases, and that different vendors might
conform to different releases, like what
happened with IN

There are questions as to “who’s in charge”
among the standards bodies

Roll-out of IMS will likely create additional
traffic
–
Need measures to avoid severe congestion
problems
IMS Industry Activities - 31
IMS
Obstacles/Challenges: Charging

Challenges still lie ahead for session and
event-based charging

Dual-mode Handsets (that could be used in
multiple networks) could expedite IMS
development
–
–
But, revenue management, billing and rating of calls
in the dual-mode environment is a “new frontier”
Capturing all the pieces of a call or event and
correlating them is the hardest challenge
IMS Industry Activities - 32
IMS
Open Issues

IMS will be limited by the availability of an all-IP
network; its magic will be fully realized when IP
is everywhere

Web application developers such as AOL,
Microsoft, have the same goal, but do not see
the need for a platform like IMS
–
–
IMS fits the legacy provider’s business model
Microsoft argues that web technologies that give
people anytime, anywhere already exist
IMS Industry Activities - 33
IMS
Adoption Cycle
 Legacy
and IMS Networks will coexist for a long
time
 According to vendors, carriers and analysts, it
could be anywhere from seven years up to 15
years before most of the service providers will be
running most of their services over an IMS core
network
 IMS may have a long adoption cycle, but
operators are predicting IMS services will reach
critical mass within three to five years
IMS Industry Activities - 34
IMS
Adoption Cycle (contd.)
Recent research by In-Stat, found the following:
 Wireless carrier revenues from IMS applications in
the US could be as high as $14 billion by 2011
 It
is likely that the significant growth in IMS
applications and services being offered by wireless
will begin to appear well into 2007
 Despite
that relatively late start, there could
eventually be as many as 72 million IMS users in the
US by 2011
IMS Industry Activities - 35
IMS

Comments/Questions?

Thank you
IMS Industry Activities - 36