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IBM Closes Acquisition of CSL International

ARMONK, N.Y - 30 Aug 2013: IBM (NYSE: IBM) today announced it has completed the acquisition of CSL International, a leading provider of virtualization management technology for IBM’s zEnterprise System. CSL International was a privately held company headquartered in Herzliya Pituach, Israel. Financial terms were not disclosed.

The acquisition deepens the consolidation and cloud capabilities of IBM zEnterprise technology by offering simplified set up and management of the virtualization environment. CSL International’s CSL-Wave software enables clients to monitor and manage their z/VM and Linux on System z environments using a powerful drag and drop interface. The software will become part of the IBM zEnterprise portfolio in early 2014.

“Around the world, companies of all sizes rely on IBM zEnterprise Systems for their efficiency, reliability and security," said Patrick Toole, General Manager, IBM System z. "With CSL-WAVE software in our portfolio, it will be easier for new and existing clients to set up and manage clouds on the mainframe, enabling them to provide enhanced services and support around big data, analytics and mobile to their customers." 

The acquisition closing comes on the heels of IBM's recently announced enhancements across its entire zEnterprise portfolio including a new business class mainframe, the IBM zEnterprise BC12 (zBC12), designed for the latest in analytics, cloud, and mobile computing, and new industry solutions and enhanced software and operating systems.

Virtualization, a foundation of cloud computing, has been designed into the fabric of the IBM zEnteprise System z architecture since its inception nearly 50 years ago. IBM offers expansive scalability with a shared-everything design point for maximum utilization – up to 100 percent – of computing resources. This announcement further extends the value of IBM's cloud offerings.

To view a video on IBM's Enterprise Linux Server and CSL-WAVE technology, visit

Contact(s) information

Sean Tetpon
IBM Media Relations

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