Continue # Infosys Whitepaper 
 versions is needed due to license renewals.<|endoftext|>Re-platforming of application  modernization is primarily done in  areas where businesses aim to minimize  maintenance costs with cost effective  technology. This modernization technique  uses migration, acceptance, intrusive, and  volume testing approaches as described  below:  •  Migration testing: This is used when  ensuring data integrity is the most  important factor during technology  upgrades  •  Acceptance testing: Acceptance testing  ensures that applications being moved  to a new platform have the same  recognition intensities as before •  Intrusive testing: Also used as negative  testing, this approach determines the  effect of hosting unexpected variables  into the system or overall application •  Volume testing: This evaluates the  stability of applications by ingesting a  huge number of records Benefits – This approach simplifies end- to-end testing as predicted business  outcomes are achieved. It lowers testing  cost, thus reducing total cost of operations  and time-to-market and does not require  additional infrastructure or specialized  licensing tools. Further, it increases testing  penetration by reusing scenarios, data and  execution strategies.<|endoftext|>Risks – Re-platforming may warrant  additional testing of critical business flows  to ensure functional defects are caught  early to avoid cost impact. Also conducting  testing in the new platform requires proper  training.<|endoftext|>External Document © 2018 Infosys Limited 

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 Modernization techniques for end-to-end testing approaches Testing Approach Re-engineer Remediate or  replace Re-front Re-platform Simulation testing Yes Yes No No Compliance testing Yes Yes No No Blend testing Yes Yes No No Universal testing Yes Yes Yes No Risk-based testing Yes Yes No No Plug-and-play testing No Yes Yes Yes Web service-based testing Yes Yes Yes Yes Agile testing No Yes Maybe No Parallel testing No Yes Yes No Virtualization testing No No Yes Yes Usability testing Yes Yes No No Recognition testing Yes No Yes Maybe Regression testing No No Yes Yes Migration testing Yes No Maybe Yes Assembly testing Yes Yes Yes No Volume testing Yes No No Yes Intrusive testing Yes No No No Acceptance testing Yes Maybe No Yes Comparative analysis of various testing approaches The following table depicts a matrix of end-to-end test approaches along with modernization techniques in healthcare. The matrix illustrates  which E2E testing method is best-suited to the four different modernization techniques. While ‘yes’ and ‘no’ represent absolute outcomes, it  is important to note that ‘maybe’ results depend on how critical the business needs are and whether the approach is actually cost-effective  when considering the overall business operations.<|endoftext|>Table 1: Comparison of different end-to-end test approaches and modenization techniques External Document © 2018 Infosys Limited 

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 Case study Business need – A healthcare  company with three verticals for  policyholders, doctors and claims wanted  to remodel their business portfolio  to adopt new technologies and meet  customer demand. While the policy  procuring system and the consumer  premium collection system were digitized,  the company decided to re-engineer the  claims processing system from DB2 to a big  data-based system. As the claims vertical  interacted with doctors and hospital web  portals, they also wanted to gradually  transform the portals component-wise  in order to give doctors sufficient time  to acquaint themselves with the new  digitized system.<|endoftext|>Solution approach – To support the  company’s hybrid transformation project,  we used an end-to-end testing strategy  that leveraged complementary test  approaches from different modernization  techniques across the three verticals, as  described below:  •  For policyholders: The customer  procurement system was treated with a  combination of re-front modernization  and big bang transformation. Blend  testing was used with continuous  automation followed by web service  testing and assembly testing •  For providers (doctors/hospitals): Here,  we used a combination of assembly,  regression rerun and agile testing to  ensure gradual changes since agile  testing methodology is best-suited  for scenarios where constituents are  deployed slowly over a period of time •  For claims: Claims is a crucial vertical.  Thus, skeleton scripts, virtualization and  migration testing methods were used  for their stability and lower risk when  migrating from DB2 to big data As each vertical of the company has different business needs, different types of modernization were needed to suit various end-users.<|endoftext|>Fig 2: End-to-end testing approach for the three verticals External Document © 2018 Infosys Limited 

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 The road ahead In future, more consumers will embrace digitization and the uber connectedness of wearables and mobile devices that can track the user’s  health through in-built monitoring systems. Thus, as a higher number of service operators orchestrate multiple domains, we can expect to  see greater challenges ahead for end-to-end testing. This makes it imperative to leverage DevOps and analytics-based testing capabilities  along with modernization approaches.<|endoftext|>Conclusion  Disruptive technologies are creating avenues  for healthcare providers to issue virtual  treatment, advice and services. However, this  requires some degree of IT modernization  for which end-to-end testing is crucial. There  are various approaches that can be used  to enable re-engineering, replacing, re- fronting, and re-platforming modernization  techniques. Each testing approach has  its benefits and risks and must be chosen  based on the end-user expectations. Thus,  it is important for business leaders to be  aware of these in order to make the right  decision for their IT modernization journey.  The right approach can offer significant cost  advantages, accelerate time-to-market and  ensure seamless end-user experience.  
Authors Dipayan Bhattacharya  Project Manager Infosys Validation Solutions  Amit Kumar Nanda  Group Project Manager  Infosys Validation Solutions External Document © 2018 Infosys Limited 

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