2
Strategies for Modernizing IBM and Unisys Mainframes
As we mentioned in Chapter 1, when we refer to mainframes in this book, that covers the IBM Z series and the Unisys Dorado and Libra series. This chapter will cover at an in-depth level the strategies to modernize these mainframes to Azure. Here is a list of topics we will cover:
- IBM mainframes:
- z/OS—The most common IBM mainframe operating system
- z/Virtual Storage Extended (z/VSE)—Similar to z/OS, but usually for smaller workloads
- z/VM—Z-series virtualization
- z/Transaction Processing Facility (z/TPF)—For high-volume transaction workloads
- z/Linux—Linux that can run under z/VM
- Specialty engines—Integrated Facility for Linux (IFL) and z Integrated Information Processor (zIIP)
- Unisys:
- Libra—From the ...
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