Business Analysis

Legacy System Analysis and Change Enablement for Major Exchange Infrastructure

Legacy System Analysis and Change Enablement for Major Exchange Infrastructure

A deep analysis and support project around an undocumented legacy system, focused on uncovering how the platform really worked, extracting business rules, and preparing safe change requirements for a new development team.

Pregled

Turning a legacy black box into an understandable working system

This project focused on a legacy system in a large exchange infrastructure environment where there was very little usable documentation. The main task was to understand how the system actually worked in practice despite the lack of transparent technical and business descriptions.

The value of the work was not in rewriting the platform, but in making future change safer by transforming an opaque legacy environment into something a new team could reason about and extend.

What had to be analyzed

The analysis covered both technical and business dimensions of the platform in order to reconstruct the real architecture and decision logic living inside the system.

  • Overall system architecture and the role of its major components.
  • Database structure and logic inside the Oracle layer.
  • Relationships between modules and system dependencies.
  • Actual business rules embedded in legacy behavior and Java logic.

Bridging the old system and the new development team

After the discovery phase, the work continued into structured delivery artifacts for future changes. We prepared development briefs, descriptions of required modifications, and implementation-oriented requirements for the team that would continue evolving the system.

  • Development-ready specifications for further changes.
  • Descriptions of required modifications with lower ambiguity.
  • Safer handover to a new engineering team.
  • Risk reduction for future legacy modifications.
Stack

Legacy enterprise stack and system discovery

The work was centered on a classic enterprise legacy stack where deep analysis mattered as much as implementation.

Osnovni stack

Oracle Java Legacy Architecture Business Analysis Reverse Engineering Requirements Module Mapping DB Analysis

The project required a combination of technical reverse engineering and business analysis to reconstruct the system's real operating model.

Poslovni efekat

Lower risk Safer changes Better clarity Less ambiguity Knowledge transfer Controlled evolution Architecture visibility Legacy understanding

The main outcome was a more manageable legacy environment where future development could move forward with less risk and more architectural clarity.

Potrebna vam je pomoć? Imamo odgovore

Pregledajte najčešće postavljana pitanja i pronađite informacije koje vam trebaju.

Dobijate jasnu procenu trenutnog stanja, ciljnu arhitekturu i spremni plan implementacije. Svi deliverabli su dizajnirani za neposrednu upotrebu od strane vaših internih timova ili dobavljača.