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
- 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
- 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
- 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
       (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
- 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
       (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
- 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
-  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
- No time for discussion. All comments/discussions pushed to the mailing list.

1518 - 1527 09' Resource Orchestration for Multi-Domain Data Analytics, Q. Xi
       (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

AOS = ALTO Server
AOC = ALTO Client


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