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When assessing where to deploy your applications, there are many factors that go into your decision making. Some of them are financial, some are political and, hopefully, some are technical. Middleware that is supported across many platforms has generally evened the playing field for functional requirements. Many middleware products, including web servers, databases and application servers, provide a common set of APIs and functions so that you can host them on your platform of choice…

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Do you remember what the mainframe was like when you started on your mainframe career path? Today IBM blurs distinctions between the mainframe and distributed environments through Linux and Java, as well as cloud and mobile delivery models. Heck, you can run Windows natively on x86 cards in a zBX cabinet managed from a console on the mainframe itself. Maybe it’s not the most efficient way to do it, and expect better ways coming from IBM, but it is doable now…

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The mainframe world lost a true legend last week with the death of Dr. Gene Amdahl. Dr. Amdahl, as chief architect, was a key member of the team of IBMers that worked on the System/360 series of computers. In fact, IBM chairman and CEO, Thomas J. Watson Jr. referred to Dr. Amdahl as the "father of the System 360," the most successful line of mainframe computers in IBM’s history…

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IBM posted another down quarter this past Monday, maybe the thirteenth in a row; it’s easy to lose track. But yet again, IBM z Systems provided a bright spot, a 15 percent increase compared with the year-ago period. Last quarter z Systems also came up a winner. Still, the investment analysts went crazy, the stock tumbled and wild scenarios, inspired by Dell’s acquisition of EMC no doubt, began circulating…

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The last z System that conformed to the expectations of Moore’s Law was the zEC12. IBM could boast that it had the fastest commercial processor available. The subsequent z13 didn’t match it in processor speed. The z13 chip runs a 22 nm core at 5 GHz, one-half a GHz slower than the zEC12, which ran its 32nm core at 5.5 GHz. Did you even notice?…

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