NTT Docomo modernized its complex legacy IT system by migrating to a cloud-native environment using Red Hat OpenShift and Red Hat Application Foundations. Working with Red Hat Consulting, they streamlined 75% of legacy UI screens, simplified logic, and established a CI/CD pipeline, reducing development time by 87.5%. They also developed a comparison tool to automate and simplify code migration. This transformation enhanced system scalability, stability, and efficiency, reduced maintenance costs, and empowered teams to innovate faster, setting a foundation for future legacy system modernization across the organization.

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