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mainframe technical challenges COBOL complexity EBCDIC encoding z/OS dependencies mainframe migration obstacles

The Technical Challenges to Mainframe Modernization

Mainframe modernization faces a distinct set of technical challenges—from complex COBOL program structures and embedded business logic to EBCDIC encoding and z/OS-specific dependencies—that generic cloud migration tools...

By Venkat Pillay Jul 17, 2025 ARTICLES

Mainframe modernization faces a distinct set of technical challenges—from complex COBOL program structures and embedded business logic to EBCDIC encoding and z/OS-specific dependencies—that generic cloud migration tools cannot address. This technical overview helps architects and engineers understand what makes COBOL transformation uniquely difficult and how purpose-built tools overcome these obstacles.

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Author

Venkat Pillay

Founder and CEO

Venkat is a true technology visionary, serial entrepreneur, strategist, deep generalist, and architect. With over 25 years of experience and a passion for innovation, his expertise ranges from Legacy to emerging technology and company building.

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