International Telecommunication Union
NGN Focus Group :
Main Achievements
Chae-Sub, LEE
Chairman of FG NGN
Standardization of the NGN and ICT Services Development 5 ~ 7 July Tashkent, Uzbekistan
Contents
1. Overview of ITU-T NGN
2. Overview of NGN Focus Group
3. Key Features of ITU-T NGN
4. FGNGN Release 1 and its Plan
5. Key impacts of NGN Standards
6. Future Plan
08.09.2005
Standardization of the NGN and ICT Services Development 5 ~ 7 July Tashkent, Uzbekistan
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1. Overview of ITU-T NGN
NGN Standardization
ITU-T : NGN Project 2004
(2001 ~ 2004)
ITU-T
NGN
WS
SG 2
SG 9
SG 4
SG 12
SG 11
(01 ~ 03)
3GPP/2
SG 16
Q5
Q16
xDSL
Forum
SG 15
SG 13
Q1
SG 17
Q10
Q6
ITU-T JRG-NGN
(2003. 9 ~ 2004. 6)
ATIS
CCSA
TTC
TTA
ETSI
ITU-T FG NGN (’04.6 ~ ’05. 5)
08.09.2005
Standardization of the NGN and ICT Services Development 5 ~ 7 July Tashkent, Uzbekistan
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1. Overview of ITU-T NGN
NGN 2004 Project
o A new ITU Project on NGN : SG13, Nov. 2002
o Project description document has been prepared
(http://www.itu.int/ITU-T/studygroups/com13/ngn2004/index.html )
o Fundamental characteristics for defining NGN
1. Packet-based transfer
2. Separation of control functions for bearer - call/session –
service
3. Decoupling of services and network, provision of open I/F
4. Wide range of services (RT/ streaming/ non-RT/ multimedia)
5. BB capabilities with e2e transparency, incl. AN utilization
6. Interworking with legacy networks
7. Generalized mobility
8. Unfettered access from users to competing SPs and services
08.09.2005
Standardization of the NGN and ICT Services Development 5 ~ 7 July Tashkent, Uzbekistan
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1. Overview of ITU-T NGN
JRG on NGN
• ITU-T SG 13 launched JRG-NGN at 1st August 2003 : 3 Meetings
• Joint Special Rapporteur Group Activity within SG 13
• Focus on “Foundational Documentation of NGN” until June. 2004
Draft Recommendations in AAP
Y.NGN-Overview (Y.2001)
Overview of the NGN
Y.NGN-GRM (Y.2011)
General principles and general reference model for NGN
Deliverables for further study
Deliverables
Title
Y.NGN-GRQ
General requirements for NGN
Y.NGN- FRM
Functional requirements and architecture of the NGN
Y.NGN-CONV
Next Generation Networks – Convergence scenarios
Y.NGN-MOB
Mobility management requirements and architecture for NGN
Y.NGN-CMIP
Customer manageable IP network
Y.NGN-MIG
Migration of networks to NGN
Y.PSTN-NGN
PSTN migration to NGN
08.09.2005
Standardization of the NGN and ICT Services Development 5 ~ 7 July Tashkent, Uzbekistan
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1. Overview of ITU-T NGN
JRG on NGN
Deliverables on QoS for further study
Deliverables
Title
Y.NGN-QoS
General aspects of QoS and network performance in the NGN
Y.e2eqos.1
Requirements and framework for end-to-end QoS architecture
for NGN
Y.e2eqos.2
An end-to-end QoS architecture based on centralized resource
control for IP networks supporting NGN services
Y.123.qos
A QOS ARCHITECTURE FOR ETHERNET-BASED IP ACCESS
NETWORK
Y.ipaqos
A QoS Framework for IP based access networks
Y.NGNNHNperf
Network performance of hybrid networks in NGN
08.09.2005
Standardization of the NGN and ICT Services Development 5 ~ 7 July Tashkent, Uzbekistan
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2. Overview of NGN Focus Group
NGN Focus Group
• ITU-T Director launched NGN Focus Group at June 2004
• Almost every two month meeting : 6, 7, 9, 11/2004 and 3, 5, 7, 9, 11/2005
• ITU-T SG13 (NGN SG) became parent group of FGNGN (WTSA 2004)
• Could be finished Release 1 and closed FGNGN end of 2005
• Results and Remaining works will be transferred to SGs by SG13
WG
Area
Deliverables
WG 1
SR (Service Requirements)
WG 2
FAM (Functional Architecture, Development of Functional Architecture in general and
specific instance views including Mobility aspects
and Mobility)
WG 3
QoS
WG 4
CSC (Control & Signalling)
WG 5
SeC (Security Capability)
Development of Security Framework under NGN
environment
WG 6
Evol (Evolution)
Evolution of PSTN/ISDN into NGN
WG7
FPBN (Future Packet-based
Bearer Network)
Identify problem states of current packet based network
and development of Future Packet Network requirements
08.09.2005
Development of scope, service requirements and
capabilities according to Release Plan
Development of End-End QoS releated deliverables
including network performance aspects
Development of control related standards support QoS
include Resource Admission and Control aspects
Standardization of the NGN and ICT Services Development 5 ~ 7 July Tashkent, Uzbekistan
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2. Overview of NGN Focus Group
Statistics of NGN Focus Group
Date/Place
08.09.2005
Input Document Participants
1st
June 04/Geneva
39
99
2nd
July 04/Geneva
66
66
3rd September 04/Ottawa
141
121
4th
December 04/Geneva
125
123
5th
6th
March 05/Jeju
174
144
April 05/Geneva
142
144
Total
687
697
Standardization of the NGN and ICT Services Development 5 ~ 7 July Tashkent, Uzbekistan
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2. Overview of NGN Focus Group
FGNGN Deliverables : Total 31
NGN Definition and Features
(ITU-T Rec. Y.2001, 2011)
Scope
+
Service
Req.
+
Capa.
(4)
Quality of Service aspects
(9)
Control of QoS (1)
Resource Adm./Cont. aspects
(1)
Security aspects (2)
General
Funct.
Archit.
(7)
Migration aspects (3)
Future Packet Based Networks (4)
08.09.2005
Standardization of the NGN and ICT Services Development 5 ~ 7 July Tashkent, Uzbekistan
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2. Overview of NGN Focus Group
FGNGN Deliverables : Total 31
(1) Release Independent Deliverables
WG
Deliverable Title
Current Draft
Target
Date
Cat.
St
at
Targe
t SG*
1
NGN release-independent requirements
(none)
4Q05
0/1/1
P
13
1
NGN general services and capabilities
(release independent)
(none)
4Q05
0/1/1
P
13
D
2
Customer Manageable IP Network
FGNGN-OD00149
2Q05
0/2/1
S
13
D
3
General aspects of QoS and network
performance in NGN (TR-NGN.QoS)
FGNGN-OD00129
3Q05
0/1/1
D
13/12
3
Network performance of nonhomogeneous networks in NGN (TRNGN.NHNperf.).
FGNGN-OD00130
3Q05
0/1/1
D
13/12
08.09.2005
Standardization of the NGN and ICT Services Development 5 ~ 7 July Tashkent, Uzbekistan
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2. Overview of NGN Focus Group
FGNGN Deliverables : Total 31
(2) Release 1 Deliverables
WG
Deliverable Title
Current
Draft
Target
Date
Cat.
Stat
Target
SG*
1
NGN Release 1 Scope
FGNGN-OD00141
2Q05
1/1/1
S
13
1
NGN Release 1 requirements
FGNGN-OD00142
3Q05
1/1/1
D
13
D
2
Requirements & Architecture for NGN
(FRA)
FGNGN-OD00146
3Q05
1/2/1
S
13
2
Functional Requirements for NGN
Mobility (FRMOB)
FGNGN-OD00147
3Q05
1/2/1
D
13 /19
2
IMS for Next Generation Networks (IFN) FGNGN-OD00148
2Q05
1/2/1
S
13
3
A QoS control architecture for Ethernetbased IP access networks (TR-123.qos)
Approved
Mar. 05
1/2/1
A
13
3
Multi Service Provider NNI for IP QoS
(TR-msnniqos)
FGNGN-OD00107
3Q05
1/2/1
D
08.09.2005
Standardization of the NGN and ICT Services Development 5 ~ 7 July Tashkent, Uzbekistan
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11
2. Overview of NGN Focus Group
FGNGN Deliverables : Total 31
(2) Release 1 Deliverables
WG
Deliverable Title
Current Draft
Target
Date
Cat.
Stat
Target
SG*
3
Requirements and framework for end-to-end QoS in NGN
(TR-e2eqos.1)
FGNGN-OD-00127
4Q05
1/2/1
D
13
3
A QoS architecture for Ethernet networks (TR-enet)
FGNGN-OD-00131
4Q05
1/2/2
D
13
3
Resource and admission control functions(TR-racf)
FGNGN-OD-00128
3Q05
1/2/2
D
13
3
A QoS Framework for IP-based access networks (TRipaqos)
FGNGN-OD-00113
4Q05
1/2/1
D
13
3
Performance measurement and management for NGN (TRpmm)
FGNGN-OD-00126
3Q05
1/2/1
D
12
3
Algorithms for Achieving End to End Performance
Objectives (TR-apo)
FGNGN-OD-00135
4Q05
1/2/2
D
12
4
Signalling requirements for IP QoS TRQ.IP QoS.SIG.CS1
Q Series Supplement
51
Dec.
2004
1/2/2
A
11
5
Security Requirements for R1
FGNGN-OD-00132
1Q05
1/2/1
S
17
6
Evolution of Networks to NGN
FGNGN-OD-00138
3Q05
1/2/1
D
13
6
PSTN/ISDN evolution to NGN
FGNGN-OD-00139
3Q05
1/2/1
D
13
6
PSTN/ISDN emulation and simulation
FGNGN-OD-00140
3Q05
1/2/1
D
13
08.09.2005
Standardization of the NGN and ICT Services Development 5 ~ 7 July Tashkent, Uzbekistan
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2. Overview of NGN Focus Group
FGNGN Deliverables : Total 31
(3) Beyond Release 1 Deliverables
WG
Deliverable Title
Current Draft
Target
Date
Cat.
Sta
t
Target
SG*
2
Functional Requirement for Soft
Router
FGNGN-OD00145
TBD
2/2/1
D
13
2
Digital Multimedia Broadcast
FGNGN-OD00144
TBD
2/2/1
P
13
2
Converged Services Framework
FGNGN-OD00150
TBD
2/2/1
P
13
5
Guidelines for NGN Security
FGNGN-OD00133
2Q 05
TBD
D
17
7
Problem Statement
FGNGN-OD00158
Apr.
2005
2/1/1
A
13
7
Requirements
FGNGN-OD00153
3Q05
2/1/1
S
13
7
High Level Architecture
FGNGN-OD00154
4Q05
2/2/1
D
13
7
Candidate Technologies
TBD
4Q05
2
P
13
08.09.2005
Standardization of the NGN and ICT Services Development 5 ~ 7 July Tashkent, Uzbekistan
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3. Key Features of ITU-T NGN
Definition of NGN
ITU-T
Rec.
Y.2001
08.09.2005
Next Generation Network (NGN):
a packet-based network able to provide
telecommunication services and able to make use of
multiple broadband, QoS-enabled transport
technologies and in which service-related functions
are independent from underlying transport-related
technologies.
It enables unfettered access for users to networks and
to competing service providers and/or services of
their choice. It supports generalized mobility which
will allow consistent and ubiquitous provision of
services to users.
Standardization of the NGN and ICT Services Development 5 ~ 7 July Tashkent, Uzbekistan
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3. Key Features of ITU-T NGN
Key Features of NGN
! Packet-based transfer;
! Separation of control functions among BC, call/session,
and application/ service;
! Decoupling of service provision from transport;
! Support for a wide range of services based on service building blocks;
! Broadband capabilities with end-to-end QoS;
! Interworking with legacy networks via open interfaces;
! Generalized mobility;
! Unfettered access by users to different service providers;
! A variety of identification schemes;
! Unified service characteristics for the same service as perceived by the user;
! Converged services between fixed/mobile;
! Independence of service-related functions from underlying
transport technologies;
! Support of multiple last mile technologies;
! Compliant with all regulatory requirements
(e.g. emergency, privacy, lawful interception, etc.)
08.09.2005
Standardization of the NGN and ICT Services Development 5 ~ 7 July Tashkent, Uzbekistan
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3. Key Features of ITU-T NGN
Overall NGN Architecture
Overall NGN
Architecture
General Functional Architecture
Functional Architecture for specific
instances (e.g. IMS based NGN)
Service stratum
Management Functions
Application Functions
Service
User
Profile
Functions
Service and Control
Functions
Transport
User
Profile
Functions
Customer
Functions
Access
Functions
UNI
Network
Attachment
Control Functions
Access
Access
Transport
Transport
Functions
functions
Transport Control
Functions
Edge
Functions
Media
Handling
Functions
Other
Other
networks
networks
Gateway
Functions
Core
CoreTransport
Transport
Functions
functions
NNI
Transport stratum
Control
Media
08.09.2005
Standardization of the NGN and ICT Services Development 5 ~ 7 July Tashkent, Uzbekistan
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3. Key Features of ITU-T NGN
Functional Architecture Model
A-2
Application
A-1
Application Server Function
Application Gateway Function
S-9
N-1
R-1
Resource Mediation
T-7
T-20
T-6
R-4
Core
RACF
T-11 Media Resource
C-TRCF
T-11 Media Resource
Processing Function
Traffic Measurement
T.Network Access T-13 Function
T-4
Process Function
Transport
T-15 Resource &
Enforcement
T-8 Mobility Support
Function
Function
T-1
AMGF
08.09.2005
T.Network Access
Control Function
A-TRCF
R-2
T-3
Processing Function
T-4
Traffic Measurement
Function
I-PGF
T-13
A-PGF
T-15
Transport
Resource &
Enforcement
Function
Core Packet Transport Function
other IP MM
Network
(e.g. IMS)
Internet
T-12
SGF
T-9
T-2
Access Packet Transport Function
Transport
Access Relay
Function
Terminal
Function
R-3
Access
RACF
Other NGN
I-PDF
M-PDF
IP address allocation
Authentication
Authorisation
Access net. config
Location mgt.
Network
Border
Resource and Admission
Control Function
NAAS
Session & Call Control
S.Authentication and Authorization Function
S-10
User profile DB Function
S-17
Registration
Function
S-13
LS Function
S-1
PGCF
Session Control Function
S-12 MGCF
S-18
S-11
S-19 S-20
Session Control
Media Resource
SGCF
AGCF
Proxy Function
Control Function
S-4
PSTN/ISDN
TMGF
Standardization of the NGN and ICT Services Development 5 ~ 7 July Tashkent, Uzbekistan
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4. FGNGN Release 1 and its plan
NGN Release between ITU-T and FGNGN
Services
Network Capabilities
Scope of
FGNGN
Architecture
QoS and Control
Security
Migration
Scope of
SG13 as NGN
Lead Group
Transport
Management
Scope of
Other SGs
FGNGN R1
ITU-T R1
Protocol
FGNGN R2
Terminals
ITU-T R2
Provisioning (NNAR, Charging etc.)
08.09.2005
Standardization of the NGN and ICT Services Development 5 ~ 7 July Tashkent, Uzbekistan
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4. FGNGN Release 1 and its plan
FGNGN Release 1 Coverage
Service Stratum
A pplication Functions
U ser
Profile
Functions
Other M ultimedia
Components …
Streaming Services
Service
and
Control
Functions
O ther N etw orks
PSTN / ISD N Emulation
IP M ultimedia
Component
Network Access
Attachment Functions
NA A F
GW
Legacy
Term inals
Customer
Networks
NG N
Terminals
Custom er and
Term inal Functions
A ccess
Functions
Access Transport
Functions
Resource and A dmission
Control Functions
R AC F
Edge
Functions
C ore transport
Functions
Transport Stratum
UNI
QoS Aspects and one part of Control aspect
(IP QoS signaling Requirement)
NN I
A part of
Release 1 coverage
08.09.2005
Standardization of the NGN and ICT Services Development 5 ~ 7 July Tashkent, Uzbekistan
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4. FGNGN Release 1 and its plan
FGNGN Release 1 Scope and Services
" Service Types
! PSTN/ISDN Emulation services
! PSTN/ISDN Simulation services
! Multimedia services
! Internet access
! Other services (data services etc.)
! Public service aspects (LI, ETS/TDR, etc.)
" Service Capabilities
! Basic network capabilities
! Service support capabilities
! Open Service Environment
! Service Enablers
! PSTN/ISDN Emulation support
! Public service support capabilities
08.09.2005
Standardization of the NGN and ICT Services Development 5 ~ 7 July Tashkent, Uzbekistan
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3. FGNGN Release 1 and its plan
NGN Release Processing Plan
3
Specification
Stage Complete
Specification
Stage Incomplete
se
a
Ph
time
width
3
e1
s
lea 2
e
R
depth
2
1
I
I
II
II
III
Rec. I.130
3
III
(IMS)
1
2
4
5
NGN Functional
Capability Set
1
e2
s
le a
e
R
se
a
Ph
Specification
Stage Complete
Specification
Stage Incomplete
NGN Functional
Capability Set
08.09.2005
Standardization of the NGN and ICT Services Development 5 ~ 7 July Tashkent, Uzbekistan
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5. Key Impacts of NGN Standards
Packet based Environments
Expected Future Transition Trend : End-End Packets
Past : Seper. of Voice & Data Transp.
Circuit Switch.
Access Capa.
Circuit Switch.
Transp. Capa.
Packet Switch.
Transp. Capa.
Present : Sep. of V & D Access
Circuit Switch.
Access Capa.
Packet Switch.
Access Capa.
Circuit Switch.
Transp. Capa.
Packet Switch.
Transp. Capa.
xDSL / FTTx
Future : Integration of V & D Access and Transp.
Near Future : Integration of V & D Transport
Circuit Switch.
Access Capa.
Packet Switch.
Access Capa.
Circuit Switch.
Transp. Capa.
Packet Switch.
Transp. Capa.
Packet Switch.
Access Capa.
Packet Switch.
Transp. Capa.
VoIP / VToA
08.09.2005
Standardization of the NGN and ICT Services Development 5 ~ 7 July Tashkent, Uzbekistan
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5. Key Impacts of NGN Standards
Separation btw. Services and Transport
• Key Feature of IP : Anything over IP, IP over Everything
• Most of Services using IP as their connection platform
• Most of Networks supporting transport of IP packet
• IP plays a key role to separate Services with Transport
(Any/All Applications
e.g. voice , data , video)
Services
Anything & Everything
Internet Protocol
(IP)
Transport
Video Services (TV, movie, etc)
Data Services (WWW, e-mail, etc)
Telephone Services
Everything
(Any & All Network technologies)
Scope
Of
“Internet”
Services
API
Transport
ACCESS
CORE
ACCESS
Two Policy Domains
08.09.2005
Standardization of the NGN and ICT Services Development 5 ~ 7 July Tashkent, Uzbekistan
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5. Key Impacts of NGN Standards
Change of Requirements (1)
Original Requirements
08.09.2005
New Requirements
E2E transparency
Packet inspection/NATs
Peer-to-peer
NATs/Firewalls/servers
Connectionless
MPLS
Best Effort
Real-time demands
Bandwidth demands
User back-off
QoS “guarantee”
Network empowerment
User Empowerment
No flow state
Flow state
Trust
Hackers everywhere
Static Addresses
DHCP, Mobility
Standardization of the NGN and ICT Services Development 5 ~ 7 July Tashkent, Uzbekistan
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5. Key Impacts of NGN Standards
Change of Requirements (2)
Original Requirements
08.09.2005
New Requirements
Fairness
QoS (implies deliberate
unfairness)
Terminal-to-host, BE
Mass public residential
services, multi-terminal
multi-QoS
Flat network
Access & Core Domains
Layer Independence
Inter-layer coupling?
Simple protocol layering
Protocol maze
Research/Defense use
Commercialization,
competition, consumer
choice
Standardization of the NGN and ICT Services Development 5 ~ 7 July Tashkent, Uzbekistan
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5. Key Impacts of NGN Standards
Change of Environments (1)
Migration of
Service Intelligence
User Access
Domain Domain
Core
Domain
Access
Domain
User
Domain
Movement of QoS Request
08.09.2005
Standardization of the NGN and ICT Services Development 5 ~ 7 July Tashkent, Uzbekistan
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5. Key Impacts of NGN Standards
Change of Environments (2)
Pre-NGN
Video
Services
(TV, movie,
etc)
Telephone
Services
Data
Services
(WWW,
e-mail, etc)
Video
Services
Network
Telephone
Services
Network
Data
Services
Network
New Policy##Regulation
Environment (Horizontal)
New Business
Environment (Compositional)
Service-based Pol./Reg.
Voice Internet Video
MM
Access Network
Provider Domain
Pol.
Pol.
Reg.
ANP 1 (DSL)
Service/Application
Provider Domain
SP1SP2SP3
SPm
ANP 2 (DSL)
IP (Future Packet ?) Platform
Pol.
Pol. X
Reg. x
xDSL/Optic
xDSL/Optic based FixedFixed-Mobile
ANP 3 (Opt)
User
ANP N (Cable)
Resource-based Pol./Reg.
08.09.2005
CNP
1
CNP
2
CNP
3
Core Network
Provider Domain
Standardization of the NGN and ICT Services Development 5 ~ 7 July Tashkent, Uzbekistan
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5. Key Impacts of NGN Standards
NGN triggering Convergence
Telecom
Telecom. mixed with Broadcast.
Broadcast.
Voice
Voice
Data
Video
Telecom
Network
Broadca.
Network
Telecom
Services
Broadca.
Services
Contents
Video
Data
Start
Convg.
Tele-Broadcast.
Telecom
Network
Broadca.
Network
Telecom
Services
Broadca.
Services
Convg.
Convg.
NGN
3M*
Services
* 3M : Multimedia, Multiparty, Multicasting
A
B
• Sep. Reg. Authority
• Stable Bus. Structure
• Stable Tech. Infras.
08.09.2005
A
B
A
B
• Sep. defini. (each side) • Comp. btw. Reg. Aut.
• Exten. each Bus. area • Comp. btw. Bus. Play.
• Exten. of Tech. capa.
• Comp. btw. Tech. Inf.
A·B Convg.
Convg.
• Integ. Reg. Auth.
• Confirmed Bus. Area
• Stable Tech. Infras.
Standardization of the NGN and ICT Services Development 5 ~ 7 July Tashkent, Uzbekistan
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6. Future Plan
Future Issues
1) Architecture Point of view
- Incorporation of fixed network requirements into IMS based architecture
- Combination with Optic based Architecture
- Develop Fixed-Mobile convergence model
2) Control and Protocol aspects
- Identify and develop of protocols to meet NGN control mechanism
- NGN signalling for NGN services or use/updates of SIP
- Control capabilities to support billing and charging
3) QoS aspects
- Interconnection requirements for supporting End-End QoS services
- QoS parameter mappings among different standards
- Extension of Session Control Protocols
4) Evolution and Interworking aspects
- Evolution scenarios from CGN to NGN
- Interworking requirements and specification for IWF
- Identify protocols for interworking
5) Security aspects
- SIP hop-by-hop (vs. end-to-end) security
- Firewall traversal
- Security management and controls
08.09.2005
Standardization of the NGN and ICT Services Development 5 ~ 7 July Tashkent, Uzbekistan
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6. Future Plan
Standards for Near Generation, not Next
! NGN stands for Next Generation, but targeted for Near Generation
! NGN could be value added framework for all players :
Users, Operators, Providers and Regulators etc.
! NGN could be evolved from Current Generation Network
! NGN could be basement for making convergence world
(real Telecommunication World)
! NGN Standards could be Globalize rather than Localize
boosting global village and shorten digital divide
! ITU-T could be centre of NGN standards
CGN
Mobile
Access
Fixed
Access
Packet based
Network
TDM based
Network
Broadcasting Net.
08.09.2005
Near GN
QOS
Mobility
Fixed
Mobile
Conv.
Access
Next GN
Packet based
Network
TDM based
Network
BB
X-casting
MM
Fixed
Mobile
Conv.
BB
Access
Packet
Based
Tele-Broad
conv.
Network
Broadcasting Net.
Standardization of the NGN and ICT Services Development 5 ~ 7 July Tashkent, Uzbekistan
30
6. Future Plan
Plan for 2005
! 5th FG NGN : 14 ~ 22 March, Jeju-island Korea
NGN Technical Workshop : 12 ~ 13 Korea
! 6th FG NGN : 26 April ~ 30 April, Geneva Swiss
ITU-T and IETF Joint NGN Workshop 1 ~ 2 May, Geneva, Swiss
! 7th FG NGN : 27 June ~ 1 July (Beijing, China)
! 8th FG NGN : 29 August ~ 2 September, Geneva Swiss
! 9th FG NGN : 30 November ~ 6 December, Geneva Swiss (TBD)
Complete Release 1 transfer all scope
to relevant SGs (SG11, 12, 13, 19)
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7. Conclusion
NGN : Upgrading, Adding Value
Up-grading
Current
Infrastructure
Current Generation-Beach
Next Generation-Water Park
Adding
Value
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Thank you
for your attention !!!
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