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After years of running one of the largest OpenStack clouds, we've learned a thing or two. Early architectural decisions about networking, storage, and scaling have real and lasting consequences. We'll walk through some of these early decisions, some which turned out to be good, but many turned out to be bad. Also included are some strategies for thinking through the long term impacts, to help you avoid similar pitfalls for your cloud.
(Video at https://www.youtube.com/watch?v=LzIkTqfb1nI )