Microsoft and Infosys took great care in planning the implementation and started by creating clarity
into the backlog and breaking it down into incremental values to be added at every sprint. The focus
was on prioritizing the changes that would offer the most visible business value rather than just
provide quick results, and also on improving the morale of the development and business teams. Key highlights include
In Microsoft’s own words:
"Infosys exceeded expectations when it comes to this project. They did what was needed – recover and stabilize the legacy system, and unjam the backlog. However, they also delivered things that Microsoft’s leadership did not expect."
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Infosys re-engineered the entire application using reverse engineering and business rule extraction along with end-to-end development, testing and deployment. The application involved 140 screens, 160 reports, 200 use cases, and 15 external interfaces. The new platform supports 262 users and 40 concurrent users and manages an average of 20,000 hits per day.
The migration was completed within 1 year and provided a scalable and high-performance system to support the client’s growing business needs. The web-based application was easy to use and delivered an enhanced end-user experience.
Infosys proposed a two-phased modernization approach. During Phase 1, Infosys moved the batch code onto a distributed platform to utilize relational database management systems (RDBMS) capability. The CICS code remained on the mainframe and communicated in real-time with RDBMS through Java database connectivity (JDBC) and the data service layer. This allowed RDBMS to act as a single source of truth for the data after migration. In Phase 2, applications were modernized to reach the target end-state based on business needs.
The new platform was highly-available and provided flexibility and adaptability to respond to change. With easy integration capabilities for globalization and acquisitions, the platform simplified maintenance and delivered independence from legacy languages. The solution enhanced overall decision-making support, productivity and the user-experience, delivering cost savings of USD 80,000.
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