IBM z Systems Connectivity Handbook

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IBM HiperSockets technology

This chapter presents a high-level overview of the IBM HiperSockets technology capabilities as they pertain to the IBM z13, zEC12, zBC12, z196, and for z114 platforms.

The information covers the following topics:

•HiperSockets overview

•HiperSockets connectivity

•HiperSockets functions

9.1 Description

The HiperSockets function, also known as internal Queued Direct Input/Output (iQDIO) or internal QDIO, is an integrated function of the Licensed Internal Code (LIC) of the z13 and zEnterprise¹. It provides an attachment ...

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