On Tue, 30 Aug 2011, Martin Sustrik wrote: > For an implementor it's often pretty hard to decide whether to > implement functionality marked as SHOULD given that he has zero context > and no idea whether the reason he has for not implementing the feature is > at all in line with RFC authors' intentions. For me, I would say that unless the implementor in question has experience in designing protocols, and fairly deep understanding of that particular area, they are not in a position to make a good judgement on whether or not they can ignore a 'SHOULD'. Noel _______________________________________________ Ietf mailing list Ietf@xxxxxxxx https://www.ietf.org/mailman/listinfo/ietf