Microsoft licensing, and load-balancing in the cloud

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I agree with Sun Microsystems CTO Greg Papadopoulos’ assertion that Open Source has several advantages over proprietary systems relating to cloud computing. After all, current market leader Amazon built their EC2 offering on open source Xen virtualization, and startups especially tend to benefit from the increased freedom of open source licensing compared to Microsoft. MS has an uphill battle to get established with mindshare for cloud computing, and notwithstanding the recent Azure outage, their complex licensing schemes continue to befuddle developers and IT personnel alike. At last year’s Hosting Summit in Redmond, I remember attending a breakout session on licensing changes with Windows 2008 and IIS7 during which several Microsoft staff appeared to openly disagree about new system licensing requirements. Ummm-kay…

And circling back again to Amazon, it seems that load balancing continues to emerge as an important feature currently lacking in EC2. Users are experimenting with various workarounds for load balancing, but more importantly there are relative cost considerations between EC2 and competing solutions. It’s all about who’s in control, and businesses blindly marching down the marketing-induced path to a public cloud without a thorough evaluation of their applications relationship to infrastructure, such as disk-write intensity, or network upstream traffic vs. downstream, are headed for a rude surprise.

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