Скачать или смотреть Migrating & Modernizing Mainframe to Google Cloud

Jason Mar - Google

Bring your mainframe applications onto an agile cloud platform and run them securely around the world, plus
reduce your infrastructure costs. Maximize your business potential with a reliable, less costly, more flexible and scalable mainframe migration strategy. Rapidly address your customer needs at scale without sacrificing functionality, security, or compliance.

In general, understand when to migrate versus modernize

-Migration: Move your existing apps to Azure in an optimized way—without code changes—using a lift-and-shift migration. As-is app migration to cloud infrastructure as a service (IaaS) helps you flip capital expenditures to operational expenditures and quickly gain agility and scale.

-Modernization: Modify or extend your app to further scale and optimize for cloud-native architectures. Take advantage of platform as a service (PaaS) capabilities such as built-in security, patching, high availability, and auto-scaling