Tag Archives: virtualization

Virtualization and power use and spreadsheet games (updated)

Posted on July 29, 2010 by admin

Here’s a thought experiment. Suppose each server uses X watts idle and X+Y watts busy. If you have N programs that currently run on N servers that are Z% idle then in the best case you really only need D= … Continue reading →

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Virtualization versus Physicalization

Posted on April 21, 2009 by admin

Data on the overhead of virtualization is hard to come by. Rackable proposes an interesting alternative that they call physicalization. I wonder whether the CPU is the most important resource to multiplex and I remain totally puzzled by the motivation … Continue reading →

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future of the data center

Posted on October 16, 2008 by admin

This article from Ars Technica discusses a talk over the summer by Merrill Lynch’s chief technology architect, Jeffrey Birnbaum on “stateless cloud computing” – most concretely on distributed file systems. Birnbaum believes that one of the key foundational elements of … Continue reading →

Posted in architecture, communications, data center, operating systems, security+fault-tolerance, software security | Tagged , , , | Leave a comment