ITU-APT FDN of India
Relevance of Interconnect
in NGN Environment
H C Soni
VP ITU-APT Foundation of India
hcsoni@gmail.com
Colombo, April 9, 2009
NGN Standardization
H C SONI
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ITU-APT FDN of India
India: Present status as on 31st Jan 09
Rural/Urban
Tele density
Rural
Urban
Total
Population
812,353,000
340,421,000
1,152,774,000
Total
Connections
112,706,527
287,338,946
400,045,473
Tele density
13.87%
84.41%
34.70%
Wireless Subs
102,110,629
260,184,569
362,295,198
Wireless Tele
density
12.57%
76.43%
31.43%
Landline Subs
10,595,898
27,154,377
37,750,275
Landline
Density
1.30%
7.98%
3.27%
Colombo, April 9, 2009
NGN Standardization
H C SONI
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ITU-APT FDN of India
What is happening
• Operators wants to
penetrate into rural areas
– But People have less paying
capacity (US$ 1-2 pm)
– Thus Tariff is reducing
– ARPU reducing
How to balance reducing ARPU
and manage growth:
– Use USO: for Tower, power, W/L
and OFC penetration
– Bring in Virtual operator concept
– Share Infrastructure
Colombo, April 9, 2009
NGN Standardization
H C SONI
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ITU-APT FDN of India
What is infrastructure
• Passive: Tower, Power, Land and Building etc.
• Active
– Switches: TDM and IP based
– Transport network
• OFC
• Wireless: M/W, Satellite
– Access network
• Copper: Local loop
• Fiber: L/D, Back Haul and FTTX
• Wireless: BTS
– Applications
– Billing Systems
Colombo, April 9, 2009
NGN Standardization
H C SONI
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ITU-APT FDN of India
What to share?
• Example of tourism Industry
– Bulk Ticketing, Pooled Pick-up drop, Bulk hotel
booking, Group Sight seeing, Bulk lunch/Dinner
• Thus to get maximum benefit: Why not
Share/Pool
–
–
–
–
–
–
Access Network
Carrier/Transport network
Billing System
Applications
Infrastructure passive and active
Common interconnect
Colombo, April 9, 2009
NGN Standardization
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ITU-APT FDN of India
Interconnect Issues
• Separate Network for Basic/Mobile (Voice)
and for Data
• Huge growth- Of the order of 15 Million
mobile connections in a month in India
• Increasing numbers of Application
developers, no. of Oprs and their Traffic
• Every Basic/Mobile operator have to have
interconnection (or transit through) with
each other and with many NLD and ILD
oprs
Colombo, April 9, 2009
NGN Standardization
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ITU-APT FDN of India
Present Interconnection
BS1
BS2
BS3
ILDO1
NLDO1
ILDO2
NLDO2
MO1
Colombo, April 9, 2009
MO2
NGN Standardization
MO3
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ITU-APT FDN of India
Results
• Sub-optimal utilization of resources
• Inefficient handling of calls
• High operational cost for managing
inter operator connections
• Inter opr/carrier billing problems
• Complexity in settlement in
Interconnect usage charges
• Increase in CAPEX and OPEX
Colombo, April 9, 2009
NGN Standardization
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ITU-APT FDN of India
Challenges
• Reduce High interconnection cost
• Reduce Connection at different levels and
at many places and Complex routing at
every point
• Reduce Huge requirement of ports and
their cost
• Physical provisions at different places
causes delay and need more capacity
• Resolution of billing disputes/court cases
Colombo, April 9, 2009
NGN Standardization
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ITU-APT FDN of India
What is the Solution: NGN:ICE
•
•
•
•
•
Open and Fragmented Architecture
Best breed of products
Much Better Performance
Desired Quality of Service
Efficient inter working
‘And what not’
Thus NGN interconnect Exchanges can be
best solution for inter connecting
Colombo, April 9, 2009
NGN Standardization
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ITU-APT FDN of India
NGN/IP based Interconnect Exchange
BS1
BS2
BS3
ILDO1
NLDO1
INTERCONNECT
EXCHANGE
ILDO2
NLDO2
MO1
Colombo, April 9, 2009
MO2
NGN Standardization
MO3
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ITU-APT FDN of India
Domestic
NGN switch
International
LIS
SBC
IN
SBC
IE
MG
MG
TDM switch
TDM Net
Billing/CS
Colombo, April 9, 2009
NGN Net
ASP
NGN Standardization
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ITU-APT FDN of India
Advantages
• Network planning fast and simple
leads to reduction in cost and port
charges
– Simple network interconnection using
Electrical/Optical, GE/STM interfaces
– Reduction in number of links
– Simplifies digit analysis for all inter
operator and long distance calls from
the switches connected to it
Colombo, April 9, 2009
NGN Standardization
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ITU-APT FDN of India
Advantages contd.
• Fast provision/augmentation of PoIs as
everybody knows physical location of IC
• Integration of different service providers
at one point
• Help in quadruple (Voice, Video, Mobile TV
and data) play in inter opr environment
• Help in convergence of services,
application and provisioning
• Simplification in carrier selection function
Colombo, April 9, 2009
NGN Standardization
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ITU-APT FDN of India
Advantages contd.
• Integrated inter carrier billing/Clearing house
– Less connection: less disputes: less court cases
– Inter operator charging, based on GoS, Content and
network elements used in interconnection
• Intelligent network services
– Easy provision in a multi opr and multi-service scenario
– Content can be integrated at ICE and can be pooled to
all the operators connected to it
• Centralized LIS with artificial intelligence, Grid
surveillance and encryption/decryption for voice
and internet traffic
Colombo, April 9, 2009
NGN Standardization
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ITU-APT FDN of India
Advantages contd.
• Low latency and guaranteed QoS
• Reduction in Capex and Opex
• Down time can be reduced with
resilient multiple node architecture
• FMC and Femto cell concept in multi
operator environment in case of intra
roaming, thus saving in spectrum
Colombo, April 9, 2009
NGN Standardization
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ITU-APT FDN of India
Implementation issues
• High upfront cost
• Introduction of MG in case of TDM
switches with E1/STM connectivity
• Introduction of SBC in case of IP based
switches with GE/MPLS connectivity
• In domestic networks interconnect
exchange (one or two depending on the
business case) at charging area level and
at Metro-city level
• Duplicate connectivity or connectivity
through Self healing rings
Colombo, April 9, 2009
NGN Standardization
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ITU-APT FDN of India
Implementation issues
contd.
• Migrating TDM switches to IP based
architecture
• Circumventing Security risks and
ensuring hassle free LI
• For few years existing Interconnect
regime has to continue and in parallel
NGN based interconnect Exchange
• Duplication till full shift to IP/ICE but
better in long run
• UASL operator with centralized control of
MG/SBC distributed in service area
Colombo, April 9, 2009
NGN Standardization
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ITU-APT FDN of India
Implementation issues
contd.
• NLD/ILD operators may have centralized
control at two places for geographical
redundancy
• By and by migration to NGN switches in
the network and IP based
interconnection
• Integrating Voice, Video, Data & IPTV
• Charging scenario will change but will be
more versatile: Old Distance/Time based
may be replaced by NGN based: QoS,
B/W, Appln, Supplementary & VAS
Colombo, April 9, 2009
NGN Standardization
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ITU-APT FDN of India
Who will do it?
• Regulator and licencer: terms to be
redefined with light touch approach
• All stake holders to come to gather
• By incumbent operator or by other or
by a separate independent operator
• Management by: To be decided by all
stake holders
This is about ICE What about others?
Colombo, April 9, 2009
NGN Standardization
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ITU-APT FDN of India
So Perhaps in Future NGN will give
• Separate access providers: DSL, Wi-Fi, WiMAX,
FTTX, GSM, CDMA, 3G, 4G and xG etc
• Separate: network provider with NGN core
• Separate: long/short distance connectivity
providers: by most Optimal Carrier Ethernet
• Separate Infra: Tower, Power, BTS providers
• Separate: Application Service providers
• Strong Marketers with innovative ‘Tariff Products’
giving cheapest service to Public
• Bring MVNO/ Virtual Operator concept AND
‘Specialized people will maintain different
entities, conveniently and in the
Cheapest way’
Colombo, April 9, 2009
NGN Standardization
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ITU-APT FDN of India
Thank You
Colombo, April 9, 2009
NGN Standardization
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