A lot of people, including very large companies are doing this in production. Using a route reflector/route server isn’t new, and it is very common.
Doing it right is not easy, and most people don't do it correctly nor do they know how to make it work all the time.
Re:Is BGP Safe Yet?
by londons_explore on Saturday April 18, 2020 @12:42PM
(#22908903)
Isn't that the entire idea behind the "software defined networking" craze?
The first namely being that nobody is going to do that unless they have too much time on their hands and don't actually run a real network. "Just loading routes" into a router is not really that straightforward.