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Taking Testing to the Cloud

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Cloud computing is opening up new vistas of opportunity for testing and quality assurance.

Cloud computing is opening up new vistas of opportunity for testing and quality assurance.

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  • 1. Cognizant Research Center March 2011 Taking Testing to the Cloud
  • 2. Cloud Computing is Opening up New Vistas of Opportunities for Testing
    • Cloud-based testing brings about a compelling combination of lower costs, pay-per-use and elimination of upfront Cap-Ex
    Non-cost factors include liberty from holding assets, enhanced collaboration, greater levels of efficiency and reduced time-to-market
  • 3. Why Cloud Suits Testing
    • consume significant capital and resources
    • are often underutilized
    • difficult to mirror real-time environment
    In-house testing facilities
    • has met base-level operational and financial objectives
    • still in involves set-up costs
    Virtualization
    • are becoming complex, distributed and component-based
    • must be tested for multiple operating systems and browser platforms, hardware, large number of concurrent users, etc.
    Applications
  • 4. Testing and Cloud Top Applications in the Cloud Source: Fujitsu, 2010
    • Seasonal
    • Requires huge infrastructure
    • Limited reusability of test infrastructure
    • Involves non-business critical data
    Characteristics that make testing ideal for Cloud
  • 5. Advantages Cloud Computing Benefits Source: IDC
    • No upfront investment in IT infrastructure (hardware and software)
    • Pay-per-use starting at a few cents per hour
    • Allows shift from Cap-Ex to flexible Op-Ex model
    • Estimated cost reduction is about 40-70%
    Cost reduction is the main factor influencing companies to go to the cloud
  • 6. Advantages
    • Provides quick access scalable resources and ready-to-use virtual labs
    • Provides pools of virtualized infrastructure
    • Reduces test configuration errors
    • Mirrors real-time test environments
    • Improves flexibility and time-to-market
    Non-cost benefits of cloud-based test environment Other factors affecting the range of benefits
    • Cloud type (public, private or hybrid)
    • Test environment configuration
    • Type of tests conducted
    • Collaboration with service provider
    • Testing teams’ understanding and effective utilization of the cloud
  • 7. Advantages
    • Facilitates quick set-up, scale up and tear down of test resources
    • Improves real-time collaboration among testers, developers and managers
    • Helps in locating errors and stress points quickly and efficiently
    • Ensures access to latest technology
    How cloud benefits testing teams
  • 8. Challenges Operational Challenges
    • No standard solutions to integrate public cloud resources with internal data center resources of companies
    • Security in public clouds is still a worry
    • Terms and conditions of cloud service are sometimes hard to understand, misleading and biased toward the vendor
    • Some cloud vendors offer limited testing tools
    • Challenge lies in proper usage of the cloud
    • Public cloud performance is not 100% guaranteed
  • 9. Steps for Effective Testing in the Cloud
    • What cultural change in the organization is required?
    • What process changes are required?
    • Who owns service management?
    • What changes in organizational/ financial process alignment must be made to manage/provide for a new service?
    Some questions to consider before moving forward
  • 10. Steps for Effective Testing in the Cloud
    • Thoroughly scrutinize service providers for security, quality, reliability and any discrepancies in terms and conditions
    • Choose service providers with considerable experience and who can provide end-to-end services
    • Look for conditions governing the exit or movement to another service provider
    Select a service provider *
    • Critical phase where the test should be carried out according to the defined test strategy
    • Plan and look for optimal utilization of test infrastructure in order to realize cost benefits
    Executing the Test
    • Test results should be monitored in real-time to understand and react to capacity or performance-related issues
    • Understand cloud usage against charge-back costs to understand the financial performance of cloud services
    Monitor and Analyze Test Results
    • Clearly understand the business needs, as well as the advantages and limitations of the cloud
    • Define the objectives of moving a particular testing project to the cloud
    Understand the Cloud
    • Should clearly answer what is intended to be achieved by moving testing to the cloud.
    • Should define the type of tests to be performed in the cloud, risks associated and the duration of the tests.
    Formulate Test Strategy
    • Plan test environment according to the test strategy
    • Carefully choose testing tools and applications, hardware and software, bandwidth, etc.
    • Determine how long the infrastructure will be utilized
    Plan Infrastructure * * Source: Mimecast
  • 11. The first step forward
      • Cloud-based testing should be a strategic initiative rather than a tactical objective
      • Start small and gain confidence with the benefits of cloud-based testing
      • Pilot cloud-based testing as early as possible
      • A feasibility study is recommended to identify the scenarios where moving testing to the cloud can benefit the organization
      • Organizations that do not have sufficient testers can seek on-demand testing services where service providers take complete responsibility of testing in the cloud
      • An experienced partner can ensure that proposed cost reductions and other benefits are achieved or exceeded over time
  • 12. Vinaya Kumar Mylavarapu Cognizant Research Center Mahendra Inamdar Cognizant IT Infrastructure Services For more information, please visit: http://www.cognizant.com/InsightsWhitepapers/Taking testing to the cloud.pdf Thank you

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