> With many routers, intelligent routing has its own performance cost, the routers need to somehow synchronize state, and the simulation ignores this cost. Whi

> With many routers, intelligent routing has its own performance cost, the routers need to somehow synchronize state, and the simulation ignores this cost. Which is why we pay companies like Heroku to engineer clouds in which to run our applications. Because they're supposed to be better at this than us and spend the time and money building this difficult infrastructure well. That includes a scalable, stateful intelligent routing service.