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    As one of the armchair architects watching this unfold from afar, I continue to wonder why partitioning the routers doesn’t get more attention. Customers a-g have dns return ip 1, h-m go to ip 2, n-z go to ip 3. They’ve explained a dozen times that as they added routers they started randomizing which router you hit, but never why putting a random router in front of the smart routers was the only option.