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Meeting 2020 06 22

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Piotr Goryl edited this page Jun 22, 2020 · 2 revisions

Agenda

  1. Review of actions

    • From the previous meeting:
      • (2020-05-25) ACTION: Piotr will add develop branch which will include work in progess branches (rfc-10)
      • the branch is there but not yet merged as Piotr ask for clarification for what to do with potential conflicts
    • Older:
      • (2020-05-11) ACTION: Andy will reverse the merge and do rebase on RFC-1

  2. Status of the existing RFC list

    • The current goal:

      • goal RFC-8 and RFC 12

    • update on current WIP

      • RFC-12 Publisher-Subscriber protocol
      • RFC-13 Publisher-Subscriber protocol implementation with ZMQ
      • RFC-8 Device server
      • RFC-1 Tango Controls
      • RFC-14 Logging Service
      • RFC-10 Request-Reply

    • new RFC-s proposition

      • no new RFCs

  3. AoB:

    • vacation period

  4. Next meeting:

Minutes

Participants: Vincent Hardion (MAX-IV), Lorenzo Pivetta (Elettra), Reynald Bourtembourg (ESRF), Piotr Goryl (S2Innovation)

  1. Review of actions

    • From the previous meeting:

      • (2020-05-25) ACTION: Piotr will add develop branch which will include work in progess branches (rfc-10)
      • the branch is there but not yet merged as Piotr ask for clarification for what to do with potential conflicts,

    • Older:

      • (2020-05-11) ACTION: Reynald will reverse the merge and do rebase on RFC-1

  2. Status of the existing RFC list

    • The current goal:

      • RFC-10

    • update on current WIP

      • RFC-13 - Publisher-Subscriber protocol implementation with ZMQ

      • RFC-8 Device server - merged into 'draft' branch. Gratulations!

      • RFC-1 Tango Controls - no news

      • RFC-10 Request-Reply - Vincent has sent a PR with a list of features to specify. Piotr will merge it into the branch.

        Below are the topics from the PR and volunteers:

        • Reconnection - Piotr
        • Version compatibility

        Protocol

        • Message - Vincent SHOULD include:

          • client process idendification i.e pid
          • source (cache or device)
          • note about request source traceing. It may be moved to the black box section

        • Exception

        • Timeout

        • Synchronous request

        • Asynchronous request TODO understand the PUSH_BACK model. CORBA or more generic?

        • Cache - Lorenzo

          • Here just mention. It should be written as RFC-16

        • Serialisation - Lorenzo

          • Say only it is up to a Device Server and that it allows different modes of serialisations.
          • Maybe put group requests for attributes should be in this section

    • new RFC-s proposisitons:

      • Group requests

  3. AoB:

    • Architecture overview:

      • It should go to RFC-1,
      • It should be graphics showing Tango architecture
        • component-connector view,
        • modules view, not necessery formal (like UML)

    • vacation period - next meeting will be chaired by Michał.

  4. Next meeting: 06.07.2020

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