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Re: Better APIs

Brian E Carpenter <brian.e.carpenter@gmail.com> Sat, 01 February 2020 19:13 UTC

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Subject: Re: Better APIs
To: Michael Richardson <mcr+ietf@sandelman.ca>, Fernando Gont <fgont@si6networks.com>
Cc: 6man WG <ipv6@ietf.org>
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From: Brian E Carpenter <brian.e.carpenter@gmail.com>
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Date: Sun, 02 Feb 2020 08:13:24 +1300
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On 02-Feb-20 02:19, Michael Richardson wrote:
> 
> Fernando Gont <fgont@si6networks.com> wrote:
>     >> 
>     > [..]
>     >> 
>     >> I think that we should not oversell the benefits, but that doesn't
>     >> mean there are none. (I think that the benefits have been oversold
>     >> within the IETF)
>     >> 
>     >> I'd like to see 6man look to better APIs for address selection.
> 
>     > Good grief. We did this:
>     > https://tools.ietf.org/id/draft-gont-6man-address-usage-recommendations-04.txt
> 
> You did that, but as you say:
> 
>     > I presented it once in 6man, and was suggested it belonged elsewhere. I
>     > tried elsewhere (taps), but it seems they believe it belonged
>     > elsewhere.
> 
> *6man* hasn't gone there.
> It can't advance without feedback and support from running code.
> (OS vendors)

And draft-ietf-v6ops-ula-usage-considerations which Fernando's draft
mentions hasn't gone anywhere either. And in terms of POSIX, RFC3542
hasn't gone anywhere since *2003*.

If we sit back and do nothing, the socket API will never properly support
the richness of IPv6.

   Brian

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