You mean that routing protocols need to take account of policies?
Or do you mean that BGP isn't good enough?
Michael Dillon - ISP & Internet Consulting
Yes... (silly 
Yes... (serious)
BGP has a number of serious flaws. The more complex the routing mesh, the
more they will become visable. And if what I see is correct, IDRP, the
BGP heir, has the same sets of problems.
--bill