CASE STUDY

www.hcltech.com

HCL transforms business performance for a large telecom customer with greater agility, visibility and scalability

Application Support & Maintenance

Client Description The client is one of the world’s leading, Finnish based multinational communications and Information Technology Company, headquartered in Espoo, Uusimaa, in the greater Helsinki metropolitan area. It majorly deals in mobile handsets and GSM network technologies.

Area of EngagementHCL’s Performance Engineering (PE) Services aimed to provide efficient people, processes and tools to verify adequate IT system performance throughout the system lifecycle. Key highlights of the services rendered were:• Centralized team to manage the infrastructure and application performance needs for

the entire organization• More than 150 applications in scope of PE• PE-related predefined best practices, processes and templates• Training and support for vertical project members• Centralized tool architecture with global testing capability• Flexible and cost-effective centralized license pool• Demand-based competence pool of area experts for the complete array of performance

testing services

Business ChallengesThe monopoly of single vendor solutions (incumbent vendor was serving the customer since past 7 years) needed to be overcome for greater efficiencies and competencies. With the change, the client required HCL’s help to tackle the following challenges:• Transition of more than 100 applications in 3 months time• Extensive technology stack of more than 150 applications in scope of Performance

Engineering• End-to-end testing of complex web and mobile applications followed by production

monitoring services • Adaptive organizational changes in line for all the transformations• Implementation of an extensive process-oriented approach

Enter HCL HCL was involved in the engagement with phased enhancements, as mentioned: • Transition • Steady state • Transformation phases

CASE STUDY

Application Stack• Infrastructure testing• Mobile applications• Web application

The Solution Undertaking the phased processions, described below are the solutions offered to the client for an agile business process with increased scalability:• Simulated business processes by running varying levels of virtual user into the system

and by measuring end-user response time while monitoring hardware and software resources during testing

• Moved with planned growth of an application and tested its scalability at appropriate schedules

• Undertook response time measurement, utilizing monitoring optimization and/or troubleshooting, regional response time and measurement of business process testing (or E2E)

• Provided performance comparison of the applications after database migration over the cloud platform

• Tuned the applications to run effectively on virtualization technologies before moving to cloud platform

• Enabled capacity planning and production monitoring

Business Benefits• Ensured that an application could handle the required number of concurrent users in

production• Enhanced hardware capacity, scalability and reliability• Achieved reliable application behavior under peak load situations• HCL’s effective CoE model and similarities with the client’s team helped in reducing the

testing efforts and hence the cost• Extensive training program in various domains helped to form the right team, increasing

efficiency and reliability • Well proven ASSeT framework for the transition management helped in seamless

transition that laid the foundation of a successful steady state

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