On 13/07/2018 08:40, S Moonesamy wrote: > Hi Niels, > At 05:46 AM 12-07-2018, Niels ten Oever wrote: >> One start in April 2015, and the other starts in October 2014. This can > > I suggest contacting ietf-action@ about the above. > >> be attributed to a mailinglist migration, but it begs the question which >> archive is authoritative, and why are there two different archives? > > The MHonarc archives used to be the archives of the IETF mailing > lists. In 2012, there were a new set of requirements for archiving > IETF mailing lists. mailarchive.ietf.org was implemented a few years > back. I vaguely recall that the IAOC discussed about whether to keep > MHonarc running. As there hasn't been any decision to turn off > MHonarc, there are two mailing list archives. Some people still greatly prefer MHonarc. I've been trying to train myself to use the new format... > The question of which > archive is authoritative has not been raised up till now. They should be identical, in theory, I think. And of course some older lists have been lost, I believe,from the time before all lists were hosted at ietf.org. Brian