AWS Mainframe Modernization
Move mainframes to the cloud
A platform and tools to assess and migrate mainframe applications (COBOL, PL/I…) to AWS, either by automated refactoring to Java or by replatforming with the code unchanged, along with a managed runtime environment.
- Cost$$$ High
- Difficulty●●●●●
- Costs money when idle?Yes
- Managed by AWS
Think of it asLike renovating an old factory: either replace the machines with new ones that do the same job, or move the whole production line to a newer, more modern plant.
When to use it
✓ Use it when
Enterprises (banks, insurers, government) that want to move off mainframes to AWS.
✗ Avoid it when
Ordinary x86 applications → Application Migration Service; want AI agents to help analyze and transform → AWS Transform.
Common uses
- Refactor COBOL to Java running on AWS
- Replatform mainframe applications onto a managed runtime
- Move mainframe batch jobs to the cloud
What does it cost?
- Pricing model: Managed runtime environments are charged by running hours based on instance configuration; plus storage and associated services.
