Replacing A Legacy System | Construx ARC is a PCI-certified, B2B company providing financial services (including processing and settlement of about $80 billion in financial transactions annually) as well as data and analytical products and services for the travel industry. Its solutions are based on both legacy systems and a growing portfolio of SaaS and web-enabled, real-time products. The Challenge ARC decided that its legacy core processing system could no longer be easily extended and expanded to position the company for future success in the marketplace. At the same time, it was facing an urgent customer need to expedite financial reporting. In response, ARC launched an effort to replace its mainframe and COBOL-based core system with a newer J2EE/Oracle-based one. The human aspect of

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