The Importance Of Hypervisors
Saturday, 04 November 2006 by Michel Roth
In this article on Serverwatch.com, Paul Rubens talks about the importance of Hypervisors: Hypervisors are like podcasts. A year ago, only the specialists knew what they were. Now, they are mainstream terms encountered daily in the specialist press and overheard while waiting for a latte at Starbucks.

"That's because virtualization has hit the mainstream, and no conversation about virtualization is complete without mentioning the h-word, preferably also slipping in references to "bare-metal" whenever possible."

"So what's the deal with hypervisors? They represent the latest big thing in virtualization, even though there are no standards, and many people are concerned about interoperability. It's a bit like the various flavors of 802.11 — some work faster than others, but until they can all work together — or at least play nicely in each other's presence — no one knows the best one to invest in, and many will be reluctant to commit serious money."

"There are two key hypervisors for now, three if you include the yet-to-be-released Microsoft hypervisor casting a long shadow over the other two. One is from VMware; the other is the free and open source Xen, which is principally developed by XenSource and packaged as part of a commercial solution from XenSource called XenEnterprise."

Read the entire article here.

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A Brief Architecture Overview Of VMware ESX, XEN And Windows Server Virtualization (19 June 2007)
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Citrix Acquires XenSource For $500 Million (15 August 2007)
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Other View On The Commoditization of the Hypervisor (23 April 2008)
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Cassatt, XenSource Partner on Virtualization (9 October 2006)
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