[alto] ALTO minutes from IETF99 meeting

Jan Seedorf <ietf@j-f-s.de> Mon, 07 August 2017 11:01 UTC

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To: IETF ALTO <alto@ietf.org>
From: Jan Seedorf <ietf@j-f-s.de>
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Date: Mon, 7 Aug 2017 13:00:54 +0200
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Subject: [alto] ALTO minutes from IETF99 meeting
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Dear all,

please find attached the minutes from the ALTO session at IETF99. Please 
let Vijay and myself have any comments/corrections within a week.

Many thanks to our note-takers Lyle and Sabine!

  - Jan

***

IETF 99, July 16-21, 2017. Prague, Czech Republic
ALTO WG Meeting, Thu Jul 20, 2017 1330-1530 Karlin III
Notetakers: Lyle Bertz, Sabine Randriamasy

1330 - 1340 10' Agenda bash and WG update (Chairs)
- Focus is to finish chartered items so the agenda is based on this 
(charter & milestone items are first; new topics are best effort)
- Goal is to finish milestones @ IETF-101
- Richard : Finish means?
         Jan: If something is close to WGLC that should work; in 
principal finish means WGLC
- Last meeting: adopted path vector, unified prop, cdni
- milestones: Multi-Cost OK
- ALTO performance metrics needs more work (review)
- Props, Path Vector & CDNI need more work
- Other business?
         - Richard:
         - What is the timing for the next wg meeting if not meeting @ 
IETF 100?
         - Jan: Timeframe is around Singapore
         - AD: Clarification that meeting should not be at the time of 
IETF but closer to IETF 100
         - Workshop is mid August in Los Angeles with LHC and other teams.

1340 - 1355 15' ALTO cost calendar, S. Randriamasy
        https://tools.ietf.org/html/draft-ietf-alto-cost-calendar-02
- Reviewed all updates
- Discussion Items
         - - RY several time granularities. Client can aggregate itself ?
                 => SR: yes the server should provide finest granularity.
                 (TODO: the client SHOULD interpret the time interval 
size as the finest available from server).
         - Richard / Sabine agree to move ahead on granularity response
         - Sabine - The ALTO server provides the finest grain value for 
the time-interval
- Jan: After issues herein are closed does the team agree this should 
WGLC (hum)
         - Result: No hums against moving it to WGLC once issues/open 
items are resolved
         - Please make the resolutions on this on the list

1355 - 1410 15' ALTO cost context, S. Randriamasy
        https://tools.ietf.org/html/draft-randriamasy-alto-cost-context-02
- Reviewed Concepts and Updates per WG feedback
- Questions:
         - Dawn - One suggestion is to make suggestion to specifiy the 
order of the response (has this been considered)?
         - Different options were discussed. Will continute to mailing list.
         - Would adding context to the cost add extra privacy concerns?
         - This should be discussed in the document.
         - Richard - point out that this is part of a more generalized 
issue of a type system in ALTO
         - Type system was urged to be a future dicussion on this matter
         - Richard: we need reconsider cost type design (type, mode, 
where fit context?)
         - Seb: IANA considerations ?
             ==> SR yes we need look at other IETF Work and consider 
IANA registration.
- For now, chair ask is to move ahead but since it is not part of the 
milestones we will lead

1410 - 1425 15' ALTO incremental updates, R. Yang
        https://datatracker.ietf.org/doc/draft-ietf-alto-incr-update-sse/
- Overview of changes
- Does WG believe this is ready for WGLC after items are completed (hum)?
         - No reaction either way
- Sabine - Main task is complete but needs work to specify who is 
sending a SSE and for what reason
         - Suggestion is that we can make the Client/Server roles more 
explicit
- JS: JSON patch important for CDNI. WG seems now more active on that one.
- SR: needs clarification on who requires what for what
- RY: yes we will need to clarify that


1425 - 1435 10' CDN Footprints and Capability Advertisements, R. Yang
        https://www.ietf.org/id/draft-seedorf-cdni-request-routing-alto-10.txt
        (This is a WG draft; needs to be resubmitted with the correct name.)
- Jan presenting
- Advanced design is being looked at but the focus is the basic design
- Richard - Discussion wrt the envelope name
         - outcome is to use somehting like "cdni/fci"

1435 - 1450 15' ALTO path vector, D. Chan
        https://datatracker.ietf.org/doc/draft-ietf-alto-path-vector/
- Discussed 3 remaining design issues
- Point raised about why this technique for MIME is not used in SSE
- Privacy implications exist for cross product query but PID flows don't

1450 - 1455 05' Extensible property maps for ALTO, D. Chan
        https://datatracker.ietf.org/doc/draft-roome-alto-unified-props-new/
        (This is a WG draft; needs to be resubmitted with the correct name.)
-  With no time left, discussion will be deferred to the list
-  Jan: Please don't add use cases every 2 months or it will never get done

1455 - 1500 05' ALTO cross-domain server discovery, S. Kiesel
        https://datatracker.ietf.org/doc/draft-ietf-alto-xdom-disc/
-  Richard - Document is useful but if we can carve out the principal it 
would be helpful, can you come up with more clear principles?
-  JS: seb said will look at it.
-  Will review Richard's comments and move to WGLC

1500 - 1509 09' ALTO cellular address extension, S. Randriamasy
        https://tools.ietf.org/html/draft-randriamasy-alto-cellular-adresses-00
-  Proposed based on prior work
-  Lyle - Ignore leading 0 concern as they are about LR(0) parsing and 
over the wire frame alignment

1509 - 1518 09' ALTO extension: Flow-based cost query, J. Zhang
        https://datatracker.ietf.org/doc/draft-gao-alto-fcs/
-  No time for discussion.  All comments/discussions pushed to the 
mailing list.

1518 - 1527 09' Resource Orchestration for Multi-Domain Data Analytics, 
Q. Xi
        https://datatracker.ietf.org/doc/draft-xiang-alto-exascale-network-optimization/
        (Possible remote presentation)
-  No time for discussion.  All comments/discussions pushed to the 
mailing list.

1527 - 1530 03' Wrap up / Other business
-  Next virtual interim meeting will be posted on the mailing list


AO = ALTO
AOS = ALTO Server
AOC = ALTO Client

***