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Managing Transformation of your Infrastructure to the NGN Pathway

Christie Alwis B.Sc (Eng) Hons, FIE (SL), MIEE, C.Eng (Lond)

Advisor to CEO- Sri Lanka Telecom

Next Generation Networks 30 Oct to 1 November 2007 @ Hilton Hotel, Singapore

• Social Paradigm Shift and its impact to the telecommunications

• Future revenue drivers of telecommunications

• Network Evolution to suit for Paradigm Shift

• IT Roadmap for Future Vision• Satisfying the future customer needs with

the Next Generation Convergent Networks

Maj

or T

opic

s C

over

ed

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Sociological Paradigm ShiftPast – Present - Future

• Past– Agriculture Revolution– Industrial Revolution

• Present– Communication explosion

• Future– Transport Revolution– Energy Revolution

Introduction

What is Communication Network

Undersea Optical Fiber Networks

Country A

Country B

Domestic Transport Network (OF,

International Transport Network

IG

IG

Local Area Node

Both Domestic and International Transport will be on Optical Fibers. And Switching Nodes will be on NGN.

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Development of Access Network• Access Network is developed to accommodate integrated services

such as Internet, IPTV, Data with Voice

• Radio Options: 3G, EvDO, WiMAX• xDSL, PON, and PLC

Power

TV

Telephone ?

Technological/Service Paradigm ShiftAll the technological development on Access and Transport will lead to customers to shift from traditional voice services to IP based data services without their knowledge

Any TIMEConnection

Any PLACE Connection

Any THINGConnection

• Night

• Daytime

• On the Move

• Indoors & Outdoors

• Indoors

• Outdoors

• On the Move

• PC to PC• Human to Human (H2H)

• Human to Thing (H2T)• Thing to Thing (T2T)

Supportive Stuff: ITU Internet Reports 2005

Probable implementation: From now to Year 2010

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Demand Growth

• Global Capacity Trend• Current Estimated Capacities between

Continents• Internet Usage• Lit Submarine Cable Capacity Trends by Route,

1999-2006

Global Capacity Trend

225.00%100.00%17.84%1,173100.00%6,575WORLD TOTAL

146.7%1.6%54.5%190.5%34Oceania / Australia

508.6%9.4%19.8%1108.5%557Latin America/Caribbean

115.2%19.8%69.5%2335.1%335North America

494.8%1.7%10.1%202.9%193Middle East

206.2%27.4%39.8%32212.3%810Europe

282.1%37.2%11.8%43756.5%3,713Asia

643.1%2.9%3.6%3414.2%933Africa

Usage Growth 2000-2007

Usage % of World

% Population ( Penetration )

Internet Usage, Latest Data (Million)

Population % of the World

Population (Est 2007) Million

World Regions

WORLD INTERNET USAGE AND POPULATION STATISTICS

Source: www.internetworldstats.com

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Current Estimated Capacities between Continents

North America

335 Million

Latin America/

Caribbean

557 Million

Africa

933 Million

Europe

810 Million

Asia

3.7 Billion

Oceania/

Australia

34 Million

Middle East

193 Million

8Tbs

12Tbps6Tbps

5Tbp

s

6Tbps

9Tbps

2-3Gbps

Matching the Demand with Available Facilities

• Inter-continental traffic appears to be comparatively lower than the already installed designed capacity

• Certain segments are saturated with designed capacity.– E.g. Traffic via Middle-East from Asia to

Europe– This indicates the market trend in Asia and

Middle East is much faster than Africa

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Most Promising Future Transport Media and where it applies

• Transport: Optical Fiber (Especially for International transport Undersea cable)

• Huge development in Asia and Asia towards Europe

• The technology used in the Optical Fiber will be changed from TDM (Time Division Multiplexing) to IP

• Characteristics of present network• Future convergence trends of

communications

Evolution of Present Network for Future

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Future trend of voice

Observations on present voice applications

• Voice traffic is increasing, out of which mobile traffic carries around 60%

• Revenue ratio Voice to Non-voice is 80:20• Even in Sri Lanka we observed the similar

pattern• The trend of technology for voice traffic will shift

from TDM to VoIP• The trend for the pricing will be independent of

the volume, but dependent on Bandwidth

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Today's Communications NetworkU

ser

Con

nect

ivity

Serv

ice

VoiceInternet

Acc

ess

Cor

e

PSTN/ISDN CDMA xDSL/MEWi-Fi/WiMAXGSM/UMTS/EDGE/GPRS

TDM (CS)TDM (CS) IP (PS)IP (PS)

ContentICT Solution

Characteristics of Present Networks

• Access dependant services• Different users profiles• Different session control• Integrated service logic (embedded)• High OPEX & low services implementation

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What is Convergence ?• Coming together of two or more disparate technologies.

• What is Fixed Mobile Convergence (FMC)

– Integration of Mobile and Fixed technologies to enable seamless distribution of services over Mobile and Fixed networks

• Convergence includes

– Convergence of the “Market”

– Convergence of the “Services”

– Convergence of the “Devices/Terminals”

– Convergence of the “Networks”

• IP Multimedia Sub-system (IMS) is at the core of Next Generation Convergent Networks

CGN – Current Generation Networks

Near GN – Near Generation Networks

NGN – Next Generation Networks

Overview of Convergence

Source: ITU Workshop on Tomorrow’s Networks Today 2005

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• What is IMS• IMS standards convergence

IP Multimedia Subsystem

• An Open System Architecture that supports a range of IP based services over Packet Switching Domain, enabling both Fixed and Mobile technologies

• IMS is defined by 3GPP from Release 5 onwards• IMS is based on Internet Engineering Task Force (IETF) protocols

–Session Initiation Protocol (SIP), Session Description Protocol (SDP), Common Open policy Service (COPs) and Diameter

• 3GPP specifies following features to fulfil operator requirements,–QoS control–Charging–Security–Subscription profiles–Interworking with other networks (CS/PSTN)

• IMS involves standardization entities such as ATIS, 3GPP2, OASIS, FMCA, OMA/Parlay and ITU-T.

What is IMS ?

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User IdsUser profile

security roaming

Inter-Working

CS/PSTNQoSpolicy

control

BasicCall

Control

Service logicAPIs

SIP

charging

What IMS provides ?

Source: ETSI

IMS Technology Convergence

Cable

Fixed

Mobile

Broadband Wireless Access

IMS

“IMS has become the point of

convergence”

Source: ETSI

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IMS Standards Convergence

CableLabs

ETSI TISPAN

3GPP 3GPP2

WiMAXForum

IMS

“These standards are prepared in

different places”

3GPP

Source: ETSI

What is NGN ?• NGN = Next Generation Networks• One network carrying all information and

Services such as voice, data, video, all sorts of media etc.

• This network is built on top of the Internet Protocol (IP).

• Service-related functions are independent from underline transport-related technologies.

• Supports generalized mobility which will allow consistent and ubiquitous provision of services

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Main Principles of NGN• Structured and separation in to functional planes:

– Access Layer– Transport & Switching Layer– Control & Intelligence Layer– Service/Application Layer

• Control & Intelligent and Transport & Switching Layers are shared by:– Different access types (RAN, Fixed…)– Service layers

• Layers are independent, hence they can be modified or upgraded regardless of other functional layers

Future Communications Network

Use

rC

onne

ctiv

itySe

rvic

e

VoIP Internet

Acc

ess

Tran

spor

t &

Sw

itchi

ng

PSTN/ISDN CDMA xDSL/MEWi-Fi/WiMAXGSM/UMTS/EDGE/GPRS

IP (PS)IP (PS)

ContentICT Solution

Con

trol

&

Inte

llige

nce

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NGN Architecture Design Principles

• NGN adopted an sub-system oriented approach which enables– The addition of new sub-systems in the future in order to

facilitate new demands and services– The absorption of sub-systems from other standardization

bodies– High level of flexibility

• IP connectivity is provided through two sub-systems– Network Attachment Sub-system (NASS)– Resource and Admission Control Sub-system (RACS)

• Service oriented sub-systems are also included– IMS is suitably adopted to facilitate xDSL based access network

requirements supporting multimedia services and PSTN/ISDN simulation

– A PSTN/ISDN Emulation subsystem specifically tailored to allow TDM equipment replacement, while keeping legacy terminals unchanged.

Why IMS in NGN ?• IMS generally fulfills the NGN requirements for

conversational services–Managed, carrier operated telecom network–IMS Release 6 becomes applicable to a range of access network types (3G RAN, WLAN)

–IMS is access technology independence

• Telecom industry benefit–Will enable simple and effective inter-working between Cellular and Wire line

–Growing IMS market, encouraging greater usage–Wider choice of IMS suppliers–Market stimulation, decreasing costs (thanks to shared development/deployment costs)

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Transition to NGN (1)• NGN advantages:

– Transport network simplification (common CS/PS backbone),

– No transit layer,– Common signaling (signaling over IP, SIGTRAN),

Transition to NGN (2)

• NGN advantages:– Transport network simplification: R5 common– CN/RAN backbone

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• Bandwidth requirement of access networks• BB Network Supply and Content Demand• Examples of contents – IPTV and case study• Evolution of today’s Broadband Wireless Access

systems

Adoptability of Access Networks towards NGN

Data rate trends

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year

kb/s

fixed2G3G

Access Networks speed increases

10-30 Mbps

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BB Network Supply and Content Demand

Digital Home in Future

IP Network

Home Gateway

STB STB STB STB

VoIP

SDTV

SDTVHDTV

HDTV

STB – Set Top Box

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Comparison of 3G and 4G ParametersKey 3G and 4G Parameters

Convergence is what 4G is about

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Customer Complexity• As a Customer

– I have• 1 Mobile Phone• 1 GPRS Data Card• 1 Public Wi-Fi Account• 1 Home Line• 1 Business Line• 1 Office Extension• 1 Enterprise Access Account• 2 Voice Mail Boxes• 1 ISDN/E-mail Accounts

• With ……..• 7 Points of contact for

customers care• 6 bills

• As a Family Customer– I also have

• 2 Extra Mobile Phones• 3 Extra Voice Mail Boxes• 4 Extra ISDN/E-mail

Accounts

• With ……..• 2 Extra Points of contact for

customer care• 4 Extra bills

More Terminals, More Bills

Is it Necessary ????

More Terminals, More Bills

Is it Necessary ????

Synchronizing Customer needs to the Network Evolution of 21 Century

Future customer needs• One Device on any Network, Any time and Any where

Mobile NetworkGSM/GPRS & 3G

Enterprise NetworksLAN/WiFi

Wireless AccessWiFi/WiMAX

Residential Broadband AccessDSL/Cable

PSTN

•Single Handset

•Single User Profile

•Single Authentication

•Single Number

•Single Voicemail

•Single Address Book

At Home

At Office

Away from Home or Office

At Hot Spot

Out of Country

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Present Legacy Applications

• Different IT Systems for different applications such as Billing Support System (BSS), Operation Support Systems (OSS), Mediation Management Systems, Finance Systems, Inventory System, E-Tendering System, Access Control of Call Centers,

• No overall information (360° view) with regard to a customer

• Multiple Platforms• More operational costs

IT Roadmap for Future Vision

Operators’ Future Expectations• Simplified architecture (Enhanced Telecom

Operation Map – eTOM)• eTOM recommends 4 Major Systems to be

integrated in to one environment i.e– OSS (Operation Support Systems )– BSS (Billing Support System )– CRM (Customer Relation Management)– ERP (Enterprise Resource Planning)

• Above systems are integrated through Enterprise Application Integration (EAI)

• Concept of Service Oriented Architecture (SOA)

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Readiness for IT for NGN – OCBE Concept

Overall Transformation

• Brand Transformation• Organizational Transformation• NGOSS (Next Generation OSS)

Transformation• NGN Network Transformation

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Service Delivery

Service Delivery

Telecom Best Practice Transformation – Organizational, Systems and Network Transformation Required to ensure success

• Customer

• Service

• Organization

• Process

• IT Systems

• Network

NOW   Transformation Programs 2012 

GSM Mobile PSTN

DataIP Tx

Mobile S&M Eng IT Ops

NGN 

NGOSS

Technology OperationsCorporate

MyService Delivery

Service Innovation Brand Transformation

Organizational Transformation    

NGOSS SystemsTransformation

NGN NetworkTransformation

BB /ADSLPOTSGSM

Product Development

OSS ERP

CRM BILLING  SOA

PersonalisedBundledBranded Best QualityLeanBenchmarked

Conclusive Remarks• Mainly depending on the voice revenue• Revenue stream transition from voice to data• Most of the countries are emerging free voice calls,

hence the traditional revenue is under threat• The trend to convert voice to data is under way and can’t

be stop, hence better to plan now for the conversion• 21st Century Communication Networks will converge

most of the services to be enjoyed by the Customer with a single bill.This is New Wave deriving from the Communication Explosion Revolution that we are experiencing now!

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Conclusive Remarks…• Customers expectations and requirements are

increasing: more services, but single bill

• Telecoms networks are getting faster, bandwidth is no longer an issue

• Main issue is not about networks or technology, but content and services ?

• Convergence is inevitable

• IMS is at the heart of the converged networks, NGN

• Robust and open global standards are essential to the long term success of the NGN

Thank you for your Attention

Visit www.christiealwis.com for more information