My next course on Safari Books is a data center design webinar. I’ll talk about the history of the Clos fabric, fabric sizing with single-SKU designs, some of the pros and cons of single-SKU versus chassis based scaling, and underlay control planes. I generally go through these slides each time I give one of these webinars and rework various bits and pieces of it to smooth over things I remember being “rough” last time, and to update the material based on what I think is more relevant.

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