Modernize to the AWS Cloud

TSRI has extensive experience in all forms of legacy code transformation, including migration to cloud services and containerization. TSRI can move currently modernized applications to the cloud using cloud-specific refactorings such as targeting services, microservices, and containerization. Our migration services take a three-step approach:

TSRI has modernized multiple mainframe applications directly to the cloud. Look below to see the modernized target technology stacks to both Java Spring Boot and also C# .NET Core shown where we refactored the application to utilize an MVC-style architecture, introduced a REST layer with RESTful endpoints, and modularized as well as containerized the application itself. TSRI can easily adapt this example to fit your specific requirements.

These sample architecture diagrams show an example of some of the modernizations TSRI has undertaken to migrate to AWS. We implemented REST endpoints to expose online programs for legacy interfaces such as CICS. Such endpoints also expose batch-to-Python client jobs, XDML, and ETF files. Our database access object (DAO) injection supports data servers and the ability to talk to the source database and target database such as DB2 and SQL Server on AWS Aurora at the same time. This feature enables a step-wise path to go live for not only segments of the application, but also for the database and users. This solution helps reduce risks and makes it easier for our customers to go live.

Migration from a monolithic mainframe architecture and environment to a multi-tier, distributed architecture environment can expose performance issues at the I/O. TSRI's refactoring capabilities remediate within high-performance modern environments but also leverage capabilities such as caching, such as the REDIS cache addressing roundtripping data access and scalability.