>I'm inclined to conclude (as suggested off-list) that, while it >may be prudent to parse conservatively, and not make ordering >assumptions, in fact less tolerant stub resolvers are sufficiently >common and so one would likely get away with assuming natural >ordering. So perhaps doing it right is not entirely overkill...
This strikes me as an obvious place to apply the hoary robustness principle. It's not very expensive to do a topological sort of the CNAMEs at each end in case the other end didn't or won't. R's, John _______________________________________________ DNSOP mailing list DNSOP@ietf.org https://www.ietf.org/mailman/listinfo/dnsop