> On 25 Nov 2021, at 14:57, Dave Taht <[email protected]> wrote:
> 
> 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. :)

Well, perhaps the first step here is the mention of AQM for L3 switches and 
routers.

It sounds like CPEs too, before hosts.

Tim

> 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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