--On Tuesday, May 21, 2013 13:42 +1200 Brian E Carpenter <brian.e.carpenter@xxxxxxxxx> wrote: >... >> I'm not opposed to having two separate RRTYPEs -- I just want >> to see the rationale. And what passes for use cases in the >> draft appears to me to be completely silent on that issue. > > Especially since there is an IEEE-defined method for > representing a 48-bit address in the 64-bit format. Now you > mention it, why can't that be used in all cases? I think that just proves the point I was trying to make while stumbling around in ignorance. No need at all for two RRTYPEs or even for an indicator in the data other than IEEE's own methods. Or do I misunderstand your comment? john