IBM System z Software Pricing

Parallel Sysplex Aggregation

IBM allows monthly license charge software licenses to be aggregated across a qualified Parallel Sysplex when certain criteria are met.

To qualify, machines must comply with the criteria in each of the following four categories: hardware, software, operation and verification. Machines that meet all of the criteria are known as 'actively coupled'. Please use the navigation links above to access the details for each of these categories.

On 11 October 2013 the Sysplex Calculator (PLEXCALC) tool was revised. Any customers who have previously downloaded the calculator should be sure to download the updated release.

On 19 September 2005 IBM announced some new information and updated tooling related to Parallel Sysplex Aggregation:

Once you build a qualified Parallel Sysplex, to qualify for aggregation benefits you must elect the same aggregation-capable pricing metric for all machines in the qualified Parallel Sysplex (i.e., Workload License Charges or Parallel Sysplex License Charges).

You can find additional information about the technical aspects of Parallel Sysplex in the following locations:

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IBM provides world-class IBM mainframe technology to help today's enterprises respond quickly to evolving business conditions and with extreme flexibility. From automation to advanced virtualization technologies and open industry standards, IBM mainframes help deliver competitive advantages for enterprises contributing and succeeding on a smarter planet.

Operating Systems

IBM System z supports multiple operation systems:


IBM's technology, solutions and industry expertise can help you find the competitive edge with a sharper understanding of your customers. Our System z solutions combine the foundation of IBM hardware, software and middleware with flexible financing and packaging options to help your business meet and overcome the challenges of doing business in the on demand world. IBM can help you develop a customer-centric view—and assist you in delivering the right solution and the right products.

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