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Harmony at QED 2017

Harmony and everything connected to the harmony in the modern system architecture will be covered by the best experts at QED 2017.

Managed services

Don't wait for a problem to appear, prevent it with our help!

Complex integration

We will create new solutions by taking the advantages of your existing IT investments.

IBM Software Specialist

CROZ as the leading regional IBM partner possesses expertise, knowledge, and experience to implement a wide range of IBM solutions.


Great performance, reliability and security are the benefits of IBM mainframe technology.


Apache Spark on z/OS


There is some rough calculation that Spark on z/OS pays off even when you transfer more than 150 GB of data from the z/OS to data warehouse on some other platform.

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