Everything in Azure networking is easy until you connect something to it. It's the joke I open with every time I run a training session on how Azure networking actually behaves behind the scenes, and routing is no exception. I've already written about routing in Azure with UDRs and the risk of building asymmetric paths ( Asymmetrical routing in Azure network ). This post goes one level deeper: modifying the BGP advertisements themselves. That's traffic engineering. It's routine practice in...