> actually, in the IETF, having running code for *one* solution is a good > way to demonstrate how much of the problem is understood, and if some of > us had our way, it would be impossible to charter a Working Group > *without* the understanding of the problem space being *at least* that > good. problem is, if we raised the barrier to that level, we'd get even more groups insisting on adopting the "one solution" without significant change - treating it as inviolate rather than as a proof of concept. we have far too many of those groups already. Keith