[dns-operations] [Ext] DNS Flag Day 2020 will become effective on 2020-10-01

[Paul Vixie]

Mark Andrews wrote on 2020-09-16 15:20:
> ... O(10^6)
> But DNS traffic doesn’t need those sized packets even for zone transfers.

i feel the same. but i felt that way about 64K and 640K RAM, and was 
wildly wrong. in practical terms i think the old 4K EDNS bufsize default 
will likely remain relevant to DNS, but two things: first, there are 
other things on the internet besides DNS; second, an evolving packet 
size that scales with bit rate would and still can obviate some of the 
things we use fragmentation, or TCP, or shortly QUIC, to do. the tyranny 
of 1500 must end, for the sake of our collective future.

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