On Thu, Nov 25, 2021 at 6:46 AM Tim Chown <[email protected]> wrote:
>
> It’s in 4.4 (routers and L3 switches).  Does it need to be in 4.1, Hosts?

I'd like it to be available everywhere. :)

fq_codel is already pretty universal in linux hosts. sch_fq is better
for a solely tcp-serving workloads where it can apply pacing more
directly, but what a "host" is, post kubernetes, post network
namespaces, with vms, with tunnels, vpns, with quic, etc, looks a lot
more like a router.

There's a debate here - with 27 8x10 glossy pictures with circles and
arrows and a paragraph on the back of each one - making that point,
for a "host" - over here:

https://github.com/systemd/systemd/issues/9725#issuecomment-413369212

>
> Tim
>
> > On 25 Nov 2021, at 14:43, Dave Taht <[email protected]> wrote:
> >
> > yes please.
> >
> > On Thu, Nov 25, 2021 at 3:36 AM Tim Chown <[email protected]> wrote:
> >>
> >>> On 23 Nov 2021, at 16:41, Dave Taht <[email protected]> wrote:
> >>>
> >>> On Tue, Nov 23, 2021 at 8:31 AM Tim Chown <[email protected]> wrote:
> >>>>
> >>>> Hi Dave,
> >>>>
> >>>>> On 23 Nov 2021, at 16:09, Dave Taht <[email protected]> wrote:
> >>>>>
> >>>>> It is perhaps selfish of me to really want active queue management, of
> >>>>> some form, as part of specifications for new equipment.
> >>>>>
> >>>>> https://datatracker.ietf.org/doc/rfc7567/
> >>>>
> >>>> I would agree, but this doc is IPv6 requirements, while the RFC is 
> >>>> generally applicable to v4 or v6?
> >>>
> >>> It's an and, not an or.
> >>>
> >>> Additionally useful treatments of the ipv6 flow header, and the
> >>> diffserv & ecn bits, the ability to shape or police traffic, would be
> >>> nice to have in a document that talks to the properties of switches
> >>> and routers.
> >>
> >> So we could for example in Section 4 in Optional at least add
> >>
> >>        • Active Queue Management support [RFC7567]
> >>
> >> ?
> >>
> >> (Where AF and EF are listed for QoS)
> >>
> >> Tim
> >>
> >>>
> >>>> Tim
> >>>>>
> >>>>> On Tue, Nov 23, 2021 at 7:38 AM Tim Chown via ipv6-wg 
> >>>>> <[email protected]> wrote:
> >>>>>>
> >>>>>> Hi Eric,
> >>>>>>
> >>>>>>
> >>>>>> Many thanks for your comments, we’ve updated the ‘living draft’ at
> >>>>>> https://docs.google.com/document/d/10HsfHDOIhUPIvGk9WP0azJiIsMVzQ49RsqWfnbNtceI/edit#
> >>>>>> And attached as PDF.
> >>>>>>
> >>>>>> In-line...
> >>>>>>
> >>>>>>> On 5 Nov 2021, at 07:52, Eric Vyncke (evyncke) <[email protected]> 
> >>>>>>> wrote:
> >>>>>>>
> >>>>>>> Tim*2, Sander, Jan, and Merike,
> >>>>>>>
> >>>>>>> First of all, thank you for taking the pen to update this document. 
> >>>>>>> As you kindly asked for comments, here are some
> >>>>>>> - page 2: 'fairly recent' won't age well ;-)
> >>>>>>
> >>>>>> Removed.
> >>>>>>
> >>>>>>> - page 4: all requirements are limited to performance, but should it 
> >>>>>>> also include telemetry/monitoring ? Or is it implicit in the list of 
> >>>>>>> RFC ?
> >>>>>>
> >>>>>> Agreed - we added mention of capabilities in a couple of places.
> >>>>>>
> >>>>>>> - page 4: what about systems to handle VMs and containers ?
> >>>>>>
> >>>>>> Out of scope.
> >>>>>>
> >>>>>>> - page 4: mobile devices have a *big difference* with normal host 
> >>>>>>> though as they often have multiple interfaces active at the same time.
> >>>>>>
> >>>>>> True, but out of scope.  The document is about their connectivity to 
> >>>>>> the enterprise infrastructure.  We could note this, but currently do 
> >>>>>> not.
> >>>>>>
> >>>>>>> - page 4: should we assume that Wi-Fi access points are 'normal 
> >>>>>>> layer-2 switches' ?
> >>>>>>
> >>>>>> Added text to say consider as L2 consumer switch, see Section 3.1.
> >>>>>>
> >>>>>>> - page 6: I am surprised to see RFC 8415 DHCPv6 client as mandatory…
> >>>>>>
> >>>>>> Fair comment, as this could be something contentious.  The only way we 
> >>>>>> can think to avoid that is to include the DHCPv6 requirements 
> >>>>>> conditionally, ie. “IF you need DHCPv6 then…” those requirements are 
> >>>>>> required.  So networks deploying with just RA for address 
> >>>>>> configuration can avoid that.
> >>>>>>
> >>>>>>> - page 6: if not mistaken RFC 8200 now includes RFC 5722 and RFC 8021 
> >>>>>>> (so no need to add the latter in the requirements)
> >>>>>>
> >>>>>> Deleted 5722 and 8021.
> >>>>>>
> >>>>>>> - page 7: same surprise to see all DHCP-related requirements
> >>>>>>
> >>>>>> Also made into an “If DHCPv6 is needed then”
> >>>>>>
> >>>>>>> - page 7 and other: nice to list some MIB but I would expect some 
> >>>>>>> YANG modules as well for enterprise/ISP devices
> >>>>>>
> >>>>>> RFC8504 covers this in16.2, should we say the same words here, as 
> >>>>>> optional in each section?
> >>>>>> https://datatracker.ietf.org/doc/html/rfc8504#section-16.2
> >>>>>> Thoughts?
> >>>>>>
> >>>>>>> - page 9: should Jen's RFC 9131 be added as optional ?
> >>>>>>
> >>>>>> Can do, in which sections?   Presumably 4.1 and 4.4?
> >>>>>>
> >>>>>> Best wishes,
> >>>>>> Tim
> >>>>>>
> >>>>>>
> >>>>>> To unsubscribe from this mailing list, get a password reminder, or 
> >>>>>> change your subscription options, please visit: 
> >>>>>> https://lists.ripe.net/mailman/listinfo/ipv6-wg
> >>>>>
> >>>>>
> >>>>>
> >>>>> --
> >>>>> I tried to build a better future, a few times:
> >>>>> https://wayforward.archive.org/?site=https%3A%2F%2Fwww.icei.org
> >>>>>
> >>>>> Dave Täht CEO, TekLibre, LLC
> >>>>
> >>>
> >>>
> >>> --
> >>> I tried to build a better future, a few times:
> >>> https://wayforward.archive.org/?site=https%3A%2F%2Fwww.icei.org
> >>>
> >>> Dave Täht CEO, TekLibre, LLC
> >>
> >
> >
> > --
> > I tried to build a better future, a few times:
> > https://wayforward.archive.org/?site=https%3A%2F%2Fwww.icei.org
> >
> > Dave Täht CEO, TekLibre, LLC
>


-- 
I tried to build a better future, a few times:
https://wayforward.archive.org/?site=https%3A%2F%2Fwww.icei.org

Dave Täht CEO, TekLibre, LLC

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