Re: [DNSOP] 答复: 答复: Fwd: I-D Action: draft-song-atr-large-resp-00.txt

william manning <chinese.apricot@gmail.com> Sat, 23 September 2017 12:34 UTC

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From: william manning <chinese.apricot@gmail.com>
Date: Sat, 23 Sep 2017 05:34:54 -0700
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To: Paul Vixie <paul@redbarn.org>
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You wrote; "we can, if we wish, continue to standardize one protocol, watch
as the world deploys a different one, and still pretent that our effort was
worthwhile. however, this would fit the technical definition of "insanity",
and i urge that we avoid this course of action."

The IETF has been doing this for years, why stop now?   Pragmatically, this
is why Randy Bush refers to the IETF as the IVTF.

On Thu, Sep 21, 2017 at 7:31 PM, Paul Vixie <paul@redbarn.org> wrote:

>
>
> Davey Song(宋林健) wrote:
>
>> Hi Paul,
>>
>> I know you suggest expose the problem and let the trouble maker
>> feeling the pain themselves. But return to the specific issue, from
>> APNIC's measurement the ASes in the path are dropping the fragments,
>> rather than end ASes. From these ASes' view , it's your pain not
>> theirs.
>>
>
> it's a question of first mover advantage. EDNS will never be fully
> deployed, because of the middleboxes built before 1999 who "know" what a
> UDP/53 datagram has to look like, and which disallow ADCOUNT>0 && QR=0.
>
> we can, if we wish, continue to standardize one protocol, watch as the
> world deploys a different one, and still pretent that our effort was
> worthwhile. however, this would fit the technical definition of "insanity",
> and i urge that we avoid this course of action.
>
> In another word, we are facing the fragmented and uncooperative
>> Internet. What should we do ? It is very hard to coordinate all parts
>> and networks. DNS is a field with lots of tussle.
>>
>
> we need a kernel option for various open source operating systems which
> causes all UDP to be fragmented at 512 octets of payload. for ipv4, so that
> we can hard-smash every middlebox which still prevents EDNS from being
> deployed, and for ipv6 also, so that we can hard-smash any middle or edge
> network who won't carry ipv6 extension headers.
>
> and we need to turn this on everywhere. root, gtld, cctld, recursives,
> authoriatives, 8.8.8.8, opendns... Everywhere. with a press release to
> pre-announce the flag day.
>
> if we're not going to stand up for the standards we write, then we should
> admit that nothing except tcp/80 will work, and avoid all else.
>
> --
> P Vixie
>
>
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