On Sun, May 24, 2015 at 11:33 AM, Mikael Abrahamsson <[email protected]> wrote: > On Sun, 24 May 2015, Simon Barber wrote: > >> My recent attention to DSCP has come from looking at what correct mappings >> to 802.1D (now 802.1Q) would be. I have also run across a couple of comments >> that legacy IP Precedence maps CS1 -> higher priority than BE. Do you have >> any knowledge of how prevalent this interpretation would be today, and >> whether it happens in any place that would be a problem? (i.e. are there >> applications that would generate these values, and rely on the behaivour, or >> routers that mis-prioritize things at places that are likely a bottleneck)? >> I.E. How important is it to consider these legacy behaivours today? > > > If ISPs today allowed DSCP marking to get propagated Internet wide and > didn't change their settings from what they have today, some would treat AF1 > and AF2 higher than BE, some would treat AF1 lower than BE and AF2 higher > than BE, some would treat AF1 and AF2 lower than BE. > > That's why I'm saying AF1 and AF2 for less-than-BE isn't incrementally > deployable.
Which is why I gave up and suggested that utterly new codepoints for background and least effort traffic be created. > -- > Mikael Abrahamsson email: [email protected] > > _______________________________________________ > aqm mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/aqm -- Dave Täht Open Networking needs **Open Source Hardware** https://plus.google.com/u/0/+EricRaymond/posts/JqxCe2pFr67 _______________________________________________ aqm mailing list [email protected] https://www.ietf.org/mailman/listinfo/aqm
