Before we move to coding the similarities, differences, and risks into the document, it would be useful just to generate a complete list within this WG.
It would certainly be a breach of trust to omit information from the document, if done for the purpose of hiding tree walk limitations. Doug On Mon, Jun 20, 2022, 3:13 AM Alessandro Vesely <[email protected]> wrote: > On Sun 19/Jun/2022 18:08:57 +0200 John R Levine wrote: > >>> That seems like a pessimal way to make things interoperate: use one of > >>> an unknown set of algorithms ... > >> > >> Given that we're already working in an environment where it's unlikely > that > >> everyone's working from a common version of the PSL, I don't think this > is > >> such a scary idea. > > > > But one of the points of the tree walk is that for the first time it > gives us a > > well-defined algorithm that everyone can use to get the same answer. > > > Getting the right answer is essential, of course. However, DMARC doesn't > provide for interoperation among different evaluators. That everyone gets > exactly the same answer is not so crucial. > > > > I realize that the PSL works OK, mostly, we think, give or take its > daily > > updates and no agreement about whether you use the whole thing or just > the > > nominally more official first part. > > > The tree walk is going to be better than the PSL when all the critical > nodes > will have been flagged adequately. Currently, there are uncertain areas > using > either algorithm. > > > > I don't see why we would want to make things worse. > > > A simple reason is backward compatibility. But, from an editorial POV, > specifying both brings an occasion to highlight their differences and > analyze > why one is better than the other under what respects. > > > Best > Ale > -- > > > > > > > > > _______________________________________________ > dmarc mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/dmarc >
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