SLEDs, Blades, or Racks? We Are Not Talking about Snow-sport Equipment

The data center is changing, and once again the question of hardware format comes to mind. It is an open secret that I am not a fan of the blade format. Yes, it has flexibility, but that comes at a cost: namely, the loss of density brought by the blade format. 

True, the blade format has been manna from heaven for virtualization. The hardware standardization that the format has instigated has allowed a massive move forward in computing. But isn’t it now time to revisit the paradigm? “Why?” you may ask, thinking “hardware is not important; this is the age of the software-defined data center.” Let’s leave that statement pinned on the wall until later.

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