Introduction to z/Architecture
This chapter provides an overview of z/Architecture.
1.1 z/Architecture historical path
Before we provide a more precise definition of a computer architecture, we present the historical evolution of the mainframe computer architecture (see Figure 1-1).
z/Architecture is the next step in the evolution from System/360 to System/370, to System/370 Extended Architecture (370-XA), to Enterprise Systems Architecture/370 (ESA/370), and to Enterprise Systems Architecture/390 (ESA/390).
In order to understand z/Architecture, ...
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