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Modernize a legacy ABAP estate incrementally

Modernization does not always begin with rewriting code. Often the first problem is that nobody can isolate, version, or safely deliver the capabilities already in the system.

TRM can help teams introduce product boundaries around stable parts of a legacy ABAP estate while modernization continues incrementally.

Create boundaries before replacing technology

Teams can identify a cohesive package—such as a shared utility layer, integration adapter, or business service—and establish it as a versioned TRM component. Its dependencies and SAP prerequisites become explicit, and consumers install a defined release rather than copying objects.

This provides several immediate benefits:

  • ownership becomes clearer;
  • duplicated shared code can converge on maintained packages;
  • changes receive semantic versions and release notes;
  • dependency relationships become visible;
  • installation can be tested independently;
  • old and new applications can consume the same supported component.

Reduce modernization risk

Once a component has a stable delivery contract, its internals can evolve without changing how every consuming team receives it. A refactored implementation can be released as a compatible version, while a breaking redesign is communicated as a major release.

Lockfiles help reproduce approved dependency combinations during a longer migration program. Local artifacts support customers or systems with restricted connectivity.

What TRM does not do

TRM does not automatically modularize tightly coupled code, determine API stability, or make classic ABAP compatible with ABAP Cloud. Those remain architecture and engineering tasks.

What it provides is the release discipline needed to make incremental change manageable: named components, versions, declared relationships, and repeatable delivery using CTS.

The outcome

Modernization becomes a sequence of controlled product decisions instead of one large technical cutover. Teams can show progress through independently owned and versioned components while keeping existing SAP change controls in place.

Start by reviewing dependency recognition for a candidate package.