Re: I-D Action: draft-carpenter-6man-rfc6874bis-00.txt

Michael Richardson <mcr+ietf@sandelman.ca> Wed, 07 July 2021 15:44 UTC

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From: Michael Richardson <mcr+ietf@sandelman.ca>
To: Philip Homburg <pch-ipv6-ietf-7@u-1.phicoh.com>, ipv6@ietf.org
Subject: Re: I-D Action: draft-carpenter-6man-rfc6874bis-00.txt
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Date: Wed, 07 Jul 2021 11:44:22 -0400
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Philip Homburg <pch-ipv6-ietf-7@u-1.phicoh.com> wrote:
    >> Nico Schottelius <nico.schottelius@ungleich.ch> wrote:
    >> > While copy & paste won't work with this proposal, I believe the %25
    >> > escape should be "good enough" for most daily usage.
    >>
    >> Also, ping and/or getaddrinfo() could become tolerant of %25 as a special
    >> case (and given that few Windows machines have 25 interfaces), which would
    >> let the copy&paste work the other way.

    > Instead of doing this, maybe we should pick a new character in an update of
    > RFC 4007 and deprecate '%' as a mistake?

I think it's worth thinking about again.

    > Aternatively, if we make fe80::ABCD%0 a valid address in the socket API
    > (and do something sensible in operating systems to select a default interface)
    > then we can reduce the use of scoped addresses and thus the copy paste problem.

Actually, that pretty much is the case,
(assuming that you consider getaddrinfo() to be part of the API).
A problem is that browsers don't use it directly, because
reasons... including Happy Eyeballs, and because the location bar is also
search, etc.
That's why Curl trivially works, but chrome doesn't.


--
Michael Richardson <mcr+IETF@sandelman.ca>   . o O ( IPv6 IøT consulting )
           Sandelman Software Works Inc, Ottawa and Worldwide