Natural zIIP Enabler provides support of IBM System z Integrated Information Processors (zIIPs) available in a Natural z/OS batch, batch server, TSO or Com-plete environment.

This documentation is organized under the following headings:

Prerequisites	Requirements for zIIP support by Natural.
General Information on zIIP Processing	Brief description of zIIP processing.
Natural zIIP Processing: TCBs, SRBs and Enclaves	Explanations of the TCB and SRB processes and the WLM enclaves Natural requires for zIIP processing.
Monitoring zIIP Usage	System information, reports and statistics available for controlling and evaluating zIIP-enabled Natural sessions.
Tuning zIIP Usage	Natural parameters, statements and operating system calls that can affect zIIP usage.