NGN: Services & Opportunities in Access Provision
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Transcript of NGN: Services & Opportunities in Access Provision
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NGN: Services & Opportunitiesin
Access Provision
Rakesh Mehrotra
Chief Officer - Corporate Regulatory
Tata Teleservices Limited
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What is NGN?
ITU definition
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
Enables unfettered access for users to networks and to competing service
providers and/or services of their choice Supports generalized mobility which will allow consistent and
ubiquitous provision of services to users
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What is NGN?
A multi-service Network able to support Voice, Data and Video.
A Network with a control plane (Signaling, Control) separated from the
Transport/ Switching plane.
A Network with open interfaces between transport, control and applications.
A Network using packet mode technology to transport of all kind of
information.
A network with guaranteed QoS for different traffic types and SLAs.
Migration towards the NGN appears to be inevitable
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Journey to NGN
Digitisation had changed the complexion of telecom and IT
Different networks were made to carry information in digital format.
Individual service specific networks are developing into IP based
networks.
Possibility to offer different services of Broadcasting, voice, data,
video on same service specific platform.
Possibility of offering new innovative services to the subscribers
NGN is IP based platform to offer every thing on IP
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Why NGN?
Fusion of services and markets
Common network for different services
IP in back bone dramatically reduced carriage cost
Split of different layers of network and thus ease of provisioning of
innovative services
Short time to define and provision of services.
Low Capex and Opex for provisioning of new services
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Why NGN has become important?
This is march of technology either adopt or parish
Competition will provide innovative services and incumbent will have to
match
Present day technology will become obsolete will be costly to maintain
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Drivers for NGN deployment :
Competition / Market forces
Different revenue streams
Convergence of services
Voice and impact of VoIP.
Services on mobile network mobile internet etc.
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Benefits NGN Migration NGN is capable of providing seamless converged services from Telecom, Internet and
Broadcasting infrastructure at any time, anywhere to anywhere from any device to anydevice.
Co-existence with PSTN.
Access Technology Agnostic.
Distributed Architecture Call server at central location and MGWs at remotelocation.
Support Triple-play services. (Voice, Data and Video)
Open standard architecture.
Integrated users interface. Some of the applications which can be launched after migration to NGN networks.
VoIP
IP Centrex
Instant messaging/Presence/PTT/Push to view Multimedia services
xDSL
Traditional Analog & ISDN Subscriber services
IN Services (ex. Pre-paid & Toll-free etc.,.) IP Video
Video on Demand
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Benefits NGN Migration
Improves cost effectiveness of data & voice transport Increased Call Capacity within a decreased footprint
Reduce inter MSC / Switch trunking costs through IP network
Opex Savings
Space and Power saving.
Control & Media functions separated (Distributed MGWs)
Backhaul enhancement using IP /MPLS
Software and provisioning costs
Software /features implementation in all Switches involves cost and time
consumes. In case of soft switch only Call server upgrades required.
Time to Market Feature development is faster and needs to be updated only on to
Application Server.
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NGN in Access:
In old established networks prime deployment will be on copper, FTC and
FTH.
In developing telecom networks prime deployment would be on mobile
networks.
It is expected that new telecom networks will also concentrate on FTC andFTH/FTB.
Fixed mobile convergence for seamless rich experience to customers.
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Next Generation Networks
Technology
Present Day Networks Next Generation Networks (NGN)
Gateways
Internet
WirelessPOTS
Workstation
IntegratedServices
Over IP
Workstation
Evolving towards All IP Communications
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NGN v/s PSTN Components
PSTN Switch
NGN Components
Interfaces
Switching
Call Control
Application
& Service
Control Server
IP Routing
Gateways
Common IP MPLS Transport
SDH
Transport
with Overlay
packets for
data
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Typical NGN architecture
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Challenges for incumbent and new entrants:Unpredictable regulatory and licencing environment
Local loop unbundling
No clarity on spectrum management policy
Large investments.
Market power regulation.
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NumberingNumbering
Regulation ofPlain Old Telephone
Service (POTS)
Regulation ofPlain Old Telephone
Service (POTS)
Quality ofServiceQuality of
Service
Next Generation Longterm issues
EmergencyAccess
EmergencyAccess
PrivacyPrivacy
SecuritySecurity
CompetitionCompetition
ConsumerprotectionConsumerprotection
InterconnectionInterconnection
Core policy areas:Competition (level-playingfield), InterconnectionConsumer (QOS, privacy,
emergency access)Security & legal interceptionScope for self-regulation
Regulatory implications of NGNSource: ASTAP05_WS.IP&NGN-09
InterconnectionInterconnection
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NGN regulatory and Licencing challenges:
Licencing--Should there be separate regime for core and access
Numbering ENUM or some other scheme
Interconnection Present mesh or interconnect exchange
Security Related IssuesNo geographical boundaries, LI, Network securityetc.
SpectrumA big question?
Universal services access.
Consumer protection.
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Interconnection- Traditional (Mesh)
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Interconnect Exchange
BSO 1 MSO
BSO 2
BSO 3
IEIE
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NGN for better access
Broadband penetration : Large difference between developed and developingregion- Developing countries have penetration below 1%
Digital Subscriber Line(DSL)
Limited local loop
Local Loop unbundling not done by many countriesOptical Fiber Cable (OFC)
Penetration of Optical fiber in local areas is very low
Right of Way (RoW) is costly
Cable NetworkCable TV Networks is generally one way and are not able to
support broadband
Wireless
Limited availability of spectrumEnd user devices able to support BB are very costly
Unless last mile is upgraded, fruits of NGN will not reach to masses
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NGN for better access- challenges in India
Wireless Broadband technologies will be useful for vast access coverage
Passive infrastructure such as mobile towers will play crucial role for faster
rollout of these services Sharing of passive infrastructure will be good enabler for broadband
growth
Infrastructure sharing needs to be mandated between operators
NGN will require lot of standardization & may face InteroperabilityChallenge
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Challenges in NGN Access
The installation of new generation access networks requires heavier and
less flexible investments than those needed for transport networks.
The return on the investment is directly related to the customers response tothe introduction of new services as VoD, video calls, gaming online, etc.
The operators have a strong need for a clear and stable regulatory
framework for access networks.
O i i
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Opportunities in NGN Access
Next generation core network
Next generation access network
Next Generation Access Network
Next Generation Access would provide much higher bandwidths to consumers
This would enable the supply of rich (but currently unspecified) multimedia
content
Disruptive change to existing services and existing business models
Investment risk driven by uncertainty as to consumers willingness to pay
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Thank You