Technology Comparisons

Side-by-side comparisons for mainframe migration: cloud platforms, languages, databases, and strategies.

AWS vs Azure for Mainframe Migration

Compare AWS and Azure mainframe migration services, tools, pricing, and partner ecosystems.

AWS: Blu Age, M2, extensive partners
Azure: Migration Program, growing ecosystem

COBOL vs Java Performance

Performance benchmarks comparing COBOL and Java for enterprise workloads.

COBOL: Excellent batch processing, fixed-point math
Java: Better scalability, modern tooling

Rehost vs Refactor vs Rewrite

Compare migration strategies by timeline, cost, risk, and long-term benefits.

Rehost: 6-12 months, low risk
Refactor: 18-24 months, balanced
Rewrite: 3-5 years, maximum benefit