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3G Roaming Roll Out Challenges. Siddhartha Kohli Regional Vice-President Asia Pacific. Agenda. Roaming at a Glance 3G & 4G Challenges The Hubbing Concept The IPX Factory Achieving Ubiquituous Connectivity. Roaming at a Glance. Ubiquitous Roaming….

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3g roaming roll out challenges

3G Roaming Roll Out Challenges

Siddhartha Kohli

Regional Vice-President Asia Pacific

agenda
Agenda
  • Roaming at a Glance
  • 3G & 4G Challenges
  • The Hubbing Concept
  • The IPX Factory
  • Achieving Ubiquituous Connectivity
ubiquitous roaming
Ubiquitous Roaming…
  • 2.4+ Bio GSM Users in 210+ Countries Around the World
  • 680+ GSM Networks Live
  • Roaming Mainly Achieved via Bi-lateral Agreements
    • Only 1 Roaming Partner per Country for Outbound Coverage
    • Between 200 & 400 Roaming Partners per Mobile Operator
    • Extensive Testing and Multi-Years Process
  • Existing Issues
    • New Mobile Operators with Small Subscriber Base Having to Roll Out Worldwide Roaming
    • Large Operators with Limited Resources and Focus on Cost Reduction
    • New Agreements and Implementations Required to Follow Services and Technologies Evolution (GPRS, 3G, CAMEL…)
universal services not islands

Closed Policy to Prevent Fraud & Spam

Focus on Coverage

for New Services

Mature Market Tier 1

Mature Market Tier 2/3

Dvlp Market Tier1

Dvlp Market Tier 2/3

New Entrant Willing to

Sign Roaming/IW Agreements

Limited Volumes to

Justify Expansion

Universal Services, Not Islands…

MNO

MNO

MNO

MNO

mobile operators challenges

Fraud

Agreements

Deployment

Support

Billing

Mobile Operators Challenges

Enhance Service Offering & Extend the Reach

slide7

Financials Aspects

  • Supporting Roaming through Bi-lateral Agreements
    • Average Setup Cost Per Service (Network & Billing)
    • Yearly Maintenance Cost (Commercial, Network & Billing)

Estimated Cost Above 3 Mio EUR to Setup Worldwide Roaming

enhancing the interco fabric
Enhancing the Interco Fabric
  • 1 Agreement with the Hub (AA14)
  • 1 Technical Connection
  • 1 Financial Relation
  • 1 Testing per Service

Multilateral

HUB

Non-Roaming/IW Partners

Bilaterals

Roaming/IW Partners

sponsoring new entrants 1 2

Agreements & IMSI

Invoice

Home

MNO B

Visited

MNO C

IMSI A

Sponsoring New Entrants (1/2)

Outbound Roaming

Sponsor

MNO A

TAP IMSI A

Roaming Partner

of MNO A

Hub

Signalling IMSI B

Signalling IMSI A

TAP IMSI B

  • Instant Access to Complete Roaming Coverage
  • Voice, SMS, MMS, GPRS, CAMEL and 3G Support
  • Single IREG and TADIG Testing
sponsoring new entrants 2 2

Agreements

Invoice

Invoice

TAP IMSI C

Visited

MNO B

Home

MNO C

Signalling IMSI C

Signalling IMSI C

TAP IMSI C

IMSI C

Sponsoring New Entrants (2/2)

Inbound Roaming

Sponsor

MNO A

Roaming Partner

of MNO A

Hub

  • Notification Performed by the Sponsor to Roaming Partner
  • Single IREG and TADIG Testing for Multiple Destinations
  • Compliant to International Network Extension Principles
the hubbing model

Invoice

Invoice

testing

Home

MNO A

Visited

MNO B

The Hubbing Model

Hub

Signalling IMSI A

Signalling IMSI A

TAP IMSI A

TAP IMSI A

IMSI A

  • Single IMSI Solution for Inbound & Outbound Roaming
  • Single Interconnection & Settlement Through the Hub
  • Testing Managed Through the Hub
gsma open connectivity
GSMA Open Connectivity
  • GSMA Initiative Reviewing Current Bilateral Paradigm
  • One-to-One Needs to Be Replaced by a Many-to-Many Model
  • Global Roaming
    • To ensure that an operator is able to allow its customers to roam on the network of any other GSMA member
  • Global Inter-Working
    • To ensure that the customers of all 3GSM networks (and in future, other technologies) can send and receive services between themselves
  • Optimization of Costs
    • To ensure cost-optimization for operators in establishing and maintaining global roaming & inter-working agreements
oc high level requirements 1 2
OC High Level Requirements(1/2)
  • Open Solution

Interoperability of solutions

  • Obligation

Manage white & black lists

  • Transparency

Full visibility of transactions at commercial & technical level

  • Cascade Billing

Remove need for bi-lateral settlement

  • Efficiency

Efficient use of resources and minimize network configuration

  • End-to-End Quality of Service

Measurement of KPIs and commitment on QoS (SLAs)

oc high level requirements 2 2
OC High Level Requirements(2/2)
  • Service Support

Full outsourcing capabilities for O&M activities

  • Testing

Outsourcing of testing activities

  • One Relationship

Need to offer One Stop Shopping solution

  • Fraud & Security

Latest tools & functionality for anti-spamming & anti-fraud

  • Availability

Continuous & reliable access to the service

  • Service & Enabler Support

Offer services individually through a single connection

open connectivity status

MNO

MNO

MNO B

MNO A

Hub 1

Hub 2

Hub 3

MNO

MNO

  • Single investment
  • Unique billing & settlement
  • Open competition
  • Trusted environment
  • Extended 2-way reach
  • Termination Revenue
  • Limited implementation
  • Reduced testing

Next trial phase planned for Q1 2008

Open Connectivity Status

Commercial and Technical framework for Hubbing

Proof of Concept SMSsuccessfully demonstrated in Barcelona 3GSM World Congress 02/2006 (Orange, SFR, TI & Belgacom ICS)

SMS Hubbing Trialcompleted with 13 hub providers & 29 Mobile Operators and announced at Singapore 3GSM Congress 11/2006

Proof of Concept Roamingsuccessfully demonstrated with Belgacom ICS in Barcelona 3GSM World Congress 02/2007

the interconnect roadmap

PSTN

3GPP

VoIP/DSL

PSTN

Mobile

TDM

IP6

IP

PSTN

VoIP

DSL

PSTN

GRX

VoIP

The Interconnect Roadmap

TDM Only

Switch

MMS

SMS

IP on the Edge

SoftSwitch

Internet

All IP E2E

SIP/IMS Proxy

IPv6

IPv4

slide21

IPX

IPX

IPX

IPX

Towards an All-IP Universe

MNOs

ISPs

Operators in

Country A

FixedLine

ASPs

FixedLine

Multilateral

Direct Bilateral

Bilateral

slide22

Operators

Operators

Operators

GRX Evolution to IPX

  • IPX Re-Uses and Builds on GRX Functionality
  • IPX Proxy Already Tested in GSMA SIP Trials Program
  • GRX Providers Can Upgrade to an IPX
  • New Entrants Can Implement an IPX
  • Transit Networks Can Adopt IP Technology

Operators

Operators

IPX

Operators

implementing hubbing
Implementing Hubbing…
  • SMS Inter-Working Through Multilateral Launched Early 2000
    • Mainly used within North America, Latin America, Asia and Africa
    • 400 Networks already connected
    • Most of traffic flowing through IP connections (North America)
    • Limited traffic flowing between Multilateral islands
  • Final Open Connectivity SMS Recommendations Approved in 04/2007
  • Enhancement Required of Existing Multilateral Solutions & Launch of New Hubs
    • SS7 and SMPP support
    • Cascade Accounting
    • Interoperability of solutions
    • Transparency
  • Initial SMS Hubbing OC Peering Announced in Q1 2007
slide25

… For Seamless Inter-Working

  • Additional Interconnection Amongst Hubs to Be Added
  • Mobile Operators to Adopt the Hubbing Model and Enable Inter-Working via Hubs
  • Process to Be Formalized Between Mobile Operators and Hubs and Between Hubs for the Opening of Relations
slide28

Glossary

  • CAMEL Customised Application for Mobile Network Enhanced Logic
  • GMSC Gateway Mobile Switching Center
  • HLR Home Location Register
  • IMSI International Mobile Subscriber Identity
  • MAP Mobile Application Layer
  • MNO Mobile Network Operator
  • SIM Subscriber Identity Module
  • SMSC Short Message Service Centre
  • SS7 Signalling System N°7
  • STP Signalling Transfer Point
  • TAP Transferred Account Procedures