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Rivals Say I.b.m. Stifles Competition to Mainframes

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IBM z10 Business Class mainframe


I.B.M. has dominated the mainframe computer business since the category was created four decades ago. And it still gets about one-quarter of its $100 billion in annual revenue from sales, software, services and financing related to the machines. But the company's actions toward several fledgling providers of mainframe systems have "denied the benefits of technological innovation" to customers, says Walter F. Tichy, a professor of computer science at the University of Karlsruhe in Germany. Rivals say the company's moves foreclose competition.

From The New York Times
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