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2 million lines of legacy billing code written in Assembler (ALC) was extracted, rationalized and merged into one single system, resulting in millions of dollars in savings.
Telecommunication
Business Rules Extraction
$10 million in estimated savings from retiring legacy applications
The Story
One of the world’s largest telecommunication companies was looking to reduce operating costs by consolidating their five regional billing systems into one existing strategic system. To ensure the systems could successfully merge, they needed to fully document and understand approximately 2 million lines of legacy billing code written in Assembler (ALC), in order to maintain the business requirements provided in the ALC system, and with minimal disruption to the business and customers.
Challenges
Reverse engineering needed for approximately 2 million lines of legacy billing code written in Assembler (ALC)
Needed to extract business rules and rationalize to ensure that the target billing system included the regional business requirements provided by the ALC system
Required to migrate billing data into new target billing system
Solution
Intellisys documentation and business rules extraction capabilities
Results
ADSO
ASP
Assembler
C/C++
CL/DCL/ECL/JCL
C#.Net
COBOL
Cold Fusion
EasyTrieve
Forte
Fortran