Hi Eric, Martin, all,

The authors agree that 8312bis should be a normative reference, and it is
in -v22, which we will upload soon.

Thanks,
Richard

On Tue, Dec 21, 2021 at 8:52 AM Qin Wu <[email protected]>
wrote:

> I agree with Martin, 8312bis should be listed as normative reference. We
> will correct this in v-22.
>
>
>
> -Qin
>
> *发件人:* alto [mailto:[email protected]] *代表 *Martin Duke
> *发送时间:* 2021年12月20日 23:27
> *收件人:* Eric Vyncke (evyncke) <[email protected]>
> *抄送:* alto-chairs <[email protected]>;
> [email protected]; The IESG <[email protected]>;
> IETF ALTO <[email protected]>
> *主题:* Re: [alto] Éric Vyncke's Discuss on
> draft-ietf-alto-performance-metrics-19: (with DISCUSS and COMMENT)
>
>
>
> Authors,
>
>
>
> 8312bis is still in the informational references; is this an oversight, or
> are you arguing that it's not normative?
>
>
>
> On Mon, Nov 22, 2021 at 8:39 AM Martin Duke <[email protected]>
> wrote:
>
> Good catch!
>
>
>
> I'm not sure that either of these references are actually directly
> relevant to the subject, though I'm happy to be convinced otherwise.
>
>
>
> It might be that one of the IPPM docs (RFC 8337?) might be a better fit.
>
>
>
> If RFC 8312 is the right answer, 8312bis is almost done and they can
> simply update to avoid the downref.
>
>
>
> Martin
>
>
>
> On Mon, Nov 22, 2021 at 7:54 AM Eric Vyncke (evyncke) <[email protected]>
> wrote:
>
> Martin,
>
>
>
> The text in § 4.1.3 says:
>
>    Intended Semantics: To give the throughput of a TCP congestion-
>
>    control conforming flow from the specified source to the specified
>
>    destination; see [RFC3649, Section 5.1 of RFC8312
> <https://datatracker.ietf.org/doc/html/rfc8312#section-5.1>] on how TCP
>
>    throughput is estimated.  The spatial aggregation level is specified
>
>    in the query context (e.g., PID to PID, or endpoint to endpoint).
>
>
>
> So, it is RFC 8312 in the text, RFC 8312 is vaguely related to TCP
> bandwidth
>
>
>
> -éric
>
>
>
> *From: *Martin Duke <[email protected]>
> *Date: *Monday, 22 November 2021 at 16:40
> *To: *Eric Vyncke <[email protected]>
> *Cc: *The IESG <[email protected]>, alto-chairs <[email protected]>, "
> [email protected]" <
> [email protected]>, IETF ALTO <[email protected]>,
> Jan Seedorf <[email protected]>
> *Subject: *Re: Éric Vyncke's Discuss on
> draft-ietf-alto-performance-metrics-19: (with DISCUSS and COMMENT)
>
>
>
> Thanks Eric,
>
>
>
> I think you mean RFC 8321? I am in the early stages of AD sponsoring a
> draft to update that to PS. The authors have the choice of doing a downref
> or referring to 8321bis and being stuck in the RFCEd queue for a few extra
> months.
>
>
>
> On Mon, Nov 22, 2021 at 3:32 AM Éric Vyncke via Datatracker <
> [email protected]> wrote:
>
> Éric Vyncke has entered the following ballot position for
> draft-ietf-alto-performance-metrics-19: Discuss
>
> When responding, please keep the subject line intact and reply to all
> email addresses included in the To and CC lines. (Feel free to cut this
> introductory paragraph, however.)
>
>
> Please refer to https://www.ietf.org/blog/handling-iesg-ballot-positions/
> for more information about how to handle DISCUSS and COMMENT positions.
>
>
> The document, along with other ballot positions, can be found here:
> https://datatracker.ietf.org/doc/draft-ietf-alto-performance-metrics/
>
>
>
> ----------------------------------------------------------------------
> DISCUSS:
> ----------------------------------------------------------------------
>
> Thank you for the work put into this document. Please bear with my lack of
> knowledge about ALTO in general.
>
> Please find below one trivial blocking DISCUSS points (probably easy to
> address), some non-blocking COMMENT points (but replies would be
> appreciated
> even if only for my own education), and some nits.
>
> Special thanks to Jan Seedorf for the shepherd's write-up about the WG
> consensus (even if not using the usual template).
>
> I have appreciated the "operational considerations" section as it addresses
> many questions that popped up during reading the document; notably, how
> can the
> ALTO server measure any metric between the ALTO client and a resource.
>
> I hope that this helps to improve the document,
>
> Regards,
>
> -éric
>
> == DISCUSS ==
>
> -- Section 4.1.3 --
> A very trivial DISCUSS to fix: this document relies on RFC 8312 to specify
> how
> TCP throughput is estimated but RFC 8312 does not appear in the normative
> reference list (this will probably generate a down ref though).
>
>
> ----------------------------------------------------------------------
> COMMENT:
> ----------------------------------------------------------------------
>
> == COMMENTS ==
>
> Minor regret about the examples as they are all about the IPv4 address
> family
> especially in a world of happy eyeballs where the IPv4 and IPv6 paths may
> still
> have different performance metrics.
>
> -- Section 2.1 --
> Should the figure 1 use "perf monitoring tools" rather than "management
> tool" ?
>
> -- Section 4 --
> This section title is about 'bandwidth' but the first sub-section is about
> 'throughput', while these concepts are related they are also distinct. How
> can
> the reader reconciliate them ?
>
> -- Section 4.1 --
> Is the intent of ALTO to only work for TCP and not for other transport
> protocols ? I.e., is QUIC out of scope ?
>
> -- Section 4.2.3 --
> Where are those 'tunnels' in "by subtracting tunnel reservations " coming
> from
> ? Probably about RSVP-TE but what is the link with ALTO ? (Again I am not
> familiar with ALTO so this may be an uneducated question).
>
> == NITS ==
>
> -- Section 3.1.3 --
> Probably tedious to do but why not replacing "TBA" by the actual value in
> the
> examples for 'content-length' ?
>
> _______________________________________________
> alto mailing list
> [email protected]
> https://www.ietf.org/mailman/listinfo/alto
>


-- 
-- 
 =====================================
| Y. Richard Yang <[email protected]>   |
| Professor of Computer Science       |
| http://www.cs.yale.edu/~yry/        |
 =====================================
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