Cloud to drive a quarter of server sales
May 10, 2010 (The Register) By Timothy Prickett Morgan
...According to Katherine Broderick, a research analyst at IDC who follows enterprise platform and data center trends, IDC has a very formal definition of when a server is being used in a cloudy way. The server has to make use of converged networking for servers and storage, it has to be virtualized, and it has to be highly automated.
Cloudy infrastructure also has to have the means of keeping track of who is using what server resources and of hooking into chargeback systems so users can be billed, utility style, for the resources they consume running their applications. A cloudy server can be used in a public cloud, like Amazon's EC2, or in a private cloud, like a mainframe-based parallel sysplex cluster.
Yup. That's right. The $7.3bn that IDC estimates was spent on cloudy servers in 2009 had a very large mainframe component to it.
Broderick says that mainframes meet the IDC definition of a cloud, just like a stack of x64 servers running VMware's vSphere 4.0 with some other tools and using converged storage and network fabric would. Even VMware calls what it has created with vSphere a 21st century software mainframe, after all.





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