©2008 Tata Communications, Ltd. All Rights Reserved Data Center - Leveraging Managed Infrastructure Services Dec 2009

Agenda  Customer Challenges  Growth Drivers  Tata Communications strategy  Improving the existing  Extension of Services  Thought Leadership

©2008 Tata Communications, Ltd. All Rights Reserved Customer Challenges

Challenges Today  Reduced IT Budgets  Do more with less  Optimize resources, reduce operational and capital costs  Effective use of Capital  Return on capital  Build or Buy ? Is building data center or owning infrastructure the best use of money?  Consolidation  Reduce footprint to reduce operational costs  Deliver services to the end users more efficiently  Technology obsolescence and manpower churn  Regulatory and Compliance  Highly available and resilient platforms  Increased storage and data availability requirements  Corporate responsibility of Green IT Yet deliver services to support business growth

©2008 Tata Communications, Ltd. All Rights Reserved Growth Drivers

Driving factors for Infrastructure Growth in India  Data Centre growth drives  Need to gain Operational Efficiency  Managing increasing power costs  Green Initiative  Hardware Infrastructure Growth Drivers  Maximizing use of Opex Based Models  Shift from Device / Component Based SLA to Service Availability SLA  Usage Based Model getting extended to Tools and Manpower also  Compute power Growth Drivers  Compute provisioning for Average Load as compared to Peak load  Compute on Demand for Test and Dev. environment Growth drivers forming the building blocks for Tata Communications Data Strategy.

©2008 Tata Communications, Ltd. All Rights Reserved Tata Communications Growth Strategy - Improving the existing

8 Global Footprint of Colocation and Hosting Facilities NORTH AMERICA Canada Montreal Toronto USA New York, NY North Alameda, LA Santa Clara, CA Portland, OR Wall, NJ Guam UK  London 1  Highbridge  London 2 EUROPE  Lisbon, Portugal  Seixal, Spain  Derio, Spain INDIA Mumbai Chennai Delhi Bangalore Hyderabad Pune Kolkatta ASIA PACIFIC  Shinagawa, Japan  Toyohashi, Japan  Singapore 1  Singapore 2 ~1 Million Square Feet Worldwide New Build of over 500,000 sq ft of Data Centers and Expansion into South Africa, China and emerging markets

Tata Communications – Your Partner for Today and Tomorrow  Member of Industry Forums like Green Grid addressing challenges of energy use and conservation  Tata Corporate responsibility as group companies address energy challenges, environmental impacts and use of renewable resources across different businesses  Deployment of operational and design best practices in the data centers for efficient use of energy Green IT  Modular and high efficiency power and cooling systems  Use of free cooling methods in specific areas  Occupancy sensors and optimum lighting in different areas  Deployment of IT infrastructure with efficient power management systems  Physical design and lay out of the floors to minimize losses  ………

©2008 Tata Communications, Ltd. All Rights Reserved Tata Communications Growth Strategy - Extension of Services

11 Tata Communications Managed Hosting Services  Colocation Services  Cages and Cabinets; resilient and secure infrastructure and facilities  Value Added Services  Remote Hands Services  Storage Services  Backup Services  Managed Hosting Services  Managed Servers  Managed Storage  Managed Backup & Restore  Managed Load Balancing  Managed Firewalls  Virtualization Services  Clustering and HA Services  Database Management Services  Offsite Storage  Hosted Applications  Hosted Messaging  Hosted CRM  Delivering 24x7x365 Managed Services  Monitor  Troubleshooting  Restoration  Reporting

©2008 Tata Communications, Ltd. All Rights Reserved Tata Communications Growth Strategy - Thought Leadership

Sever Virtualization – Are You Ready? GlobalAPAEuropeNAM Already using26%13%23%40% Piloting10%8%12%11% Aware/Interested27%35%16%24% Aware/Not Interested 21%23%27%17% Not Aware16%21%22%7% Don’t Know1%N/A1% Top Industries Utilizing Virtualization Globally  Utilities & telecommunications  Media & Entertainment  Finance & Insurance  Business Services  Manufacturing  Retail & wholesale trade  Cut hardware costs by up to 50%  Decrease operational costs by up to 70%  Slash overall deployment costs by up to 60%  Achieve rapid, even immediate, ROI Reduce Cost of Server Infrastructure Improve Efficiency and Responsiveness  Expressed provisioning of servers  Deploy new applications & services more rapidly Streamline Data Center Management  Centralize management and monitoring  Standardize computing infrastructure

Virtual Host Architecture Dedicated Storage Network Infrastructure Dedicated VM Network Infrastructure Network-based Firewall Service Dell PowerEdge Server Cisco Catalyst Switch NetApp FAS (Active-Active) Tata Communications Virtual Host Service Infrastructure – India ESX Host 1ESX Host 3 ESX Host N Common VMware Management Infrastructure VMware ESX Server Farm Infrastructure Internet/MPLS Cisco Catalyst Switch ESX Host 2 ESX Host 4 Active Directory and DNS Infrastructure Managed Shared Symantec Netbackup Server and Tape Library Infrastructure Virtual Center Management Server and License Server VMware VCB server and NetApp Snap Manager for VI Mullti-terabit Storage Capacity Thin Provisioning and De-duplication Ready 10 GB N/W

Virtual Host – Commercial Model Features Virtual Host Bronze Virtual Host Silver Virtual Host Gold CPU (Intel/AMD) 1.0 GHz single Core1.5 GHz Single Core2.0 GHz Single Core Virtual Server Memory (Committed)1 GB1.5 GB2 GB Virtual Server Memory (Burstable)2 GB3 GB4 GB Virtual Server Disk Space 50 GB100 GB RAID EnabledYes IP Connectivity Data Transfer (GB/month) Extra Data Transfer charged per GB per month Additional Features IP Address and DNS Record Services VMware Virtualization Technology Managed Network-based Firewall Antivirus for Windows Backup Services Multiple Operating System (Windows/Linux) Remote Control for your Virtual Server Automatic Security Updates & Patch Management 24x7x365 Online Support (Web / / Phone Support) 99.5% Uptime Guarantee (Service Level Agreement)

Public Resource Services Customer uses a shared, multitenant infrastructure for maximum flexibility  As the hardware assets are multitenant, customer has flexibility to scale up and down  Customer purchases instances only, no need to reserve compute resources  CPU resources can be oversubscribed, or virtually dedicated to an instance for different Quality of Services  All shared resources are controlled and automated via the Cloud Services portal 16 MPLS Service TATA Managed Services Cage Shared Compute Resources Shared Firewall Services Shared Storage Services VPN Internet Customer ACustomer B Customer ACustomer B Customer ACustomer B Customer ACustomer B Dedicated Compute Instances Pros:  Maximum flexibility for capacity increase and decrease  No commitment required, terminate services when no longer needed – pay for what you use Cons:  Solution cannot be customized, it is what it is  Shared security solution and shared resources have the potential for other customers affecting QoS

Virtual Private Resource Services Customer has their own virtually dedicated infrastructure within a physical multi-tenant environment  As the hardware assets are multitenant, customer has flexibility to scale up and down on a monthly/weekly basis  Virtually dedicated compute resources are purchases as whole nodes or GHz resource pool  The hardware is within the TATA Managed Services Cage and equipment supports other customers but resources are virtually dedicated  All services are controlled via the Cloud services portal TATA Managed Services Cage VPN Internet Customer ACustomer B Customer ACustomer B Customer ACustomer B Virtually Dedicated Compute Resources Customer ACustomer B Dedicated Compute Instances Virtually Dedicated Firewall Virtually Dedicated Storage Pros:  Increased customization and QoS over public resource services  Larger business can pool resources for decreased unit cost over public cloud Cons:  Longer term commitment required (week or month) vs public resource services  Larger minimum requirement vs public cloud

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