On 17 Sep 2020, at 02:38, Paul Vixie <p...@redbarn.org> wrote: > > On Wed, Sep 16, 2020 at 09:24:05AM -0700, Randy Bush wrote: >>> We should admit that actual Internet MTU is ~1500 >> >> sad but true >> >>> PMTUD ... doesn?t work >> >> sad but true > > happily, that's not known about PLPMTUD (RFC 8899 & 8900). so right now > there's new hope, yet undashed. i would like to saturate a modern LAN and > future WAN with O(10^7) physical-layer packets, which will mean that those > packets will have to be up to O(10^6) octets in size. this can't happen > under the tyranny of 1500, nor of 1280 or 1232.
But DNS traffic doesn’t need those sized packets even for zone transfers. > -- > Paul Vixie > _______________________________________________ > dns-operations mailing list > dns-operations@lists.dns-oarc.net > https://lists.dns-oarc.net/mailman/listinfo/dns-operations -- Mark Andrews, ISC 1 Seymour St., Dundas Valley, NSW 2117, Australia PHONE: +61 2 9871 4742 INTERNET: ma...@isc.org _______________________________________________ dns-operations mailing list dns-operations@lists.dns-oarc.net https://lists.dns-oarc.net/mailman/listinfo/dns-operations