IBM Z Connectivity Handbook

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Introduction

This chapter gives a brief overview of the input/output (I/O) channel architecture and introduces the connectivity options available on IBM Z platforms. It includes the following sections:

•I/O channel overview

•FICON Express

•zHyperLink Express

•Open Systems Adapter-Express

•HiperSockets

•Parallel Sysplex and coupling links

•Shared Memory Communications

•I/O feature support

•Special-purpose feature support

Note: The link data rates discussed throughout this book do not represent the performance of the links. The actual performance ...

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