Legacy migration service

We offer the efficient, good performance and low-cost migration service.

We offer the efficient, good performance and low-cost migration service.

Our “Migration” is based on the fact-based investigation and executing consistently the migration process as Migration Planning – Migration Design – Resource Conversion – Testing.
While the legacy system is running, the migration is performed to stable base environments to minimize the influence on business daily.

Common tasks

The following issue can be optimized from our long term experienced in company:
・High cost of maintenance
・Feebleminded power
・Depend on platform
・Business variability is low
・Cooperation with an open system is insufficient
・Version is old
・Lack of trained engineers

Our own developed migration tool

With years of various experience of migration & operating the mainframe, we can migrate to new system without losing the convenience of old sytem and after that develop a migration tool with the following important points:
・Lower a maintenance cost
・The improvement of performance & quality
・The better target to business
・Integration to an open system
・Lower an engineer’s dependence

Our own developed migration tool introduction


Legacy system evaluation
・The existing source code analysis
・Visualization by graph (Abstract Syntax Tree, Control Flow Graph, and Call Graph…)
・DB table design proposal from source code (Cobol)
・Detect an intact code and dead code
・Propose a transition pattern (draft pattern)


Universal Migration Framework which can solve various migration problems at our company.
Migration classification
・Language conversion

The strong point of ezMigrate

・Code conversion can be done thoroughly as with the compiler
・Language is inputted based on the exact grammar of a code template (change is possible).
・Source is outputted based on template file (change is possible).
・Conversion rule is based on a pattern (change is possible).
・The code changed in the Excel report can be tracked.