EJFAT Group Meeting Mar. 3, 2022

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The meeting time is 11:00am.

Connection Info:

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Meeting URL
 https://jlab-org.zoomgov.com/j/1610125238?pwd=QnEvcjV6VFFndWZsQW15SmJKU0RJZz09&from=addon

Meeting ID
161 012 5238

Passcode
503371

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Agenda:

  • Previous meeting
  • Situation:
    • Testing with ERSAP on FPGA LB
    • Using script based LB Control Plane
    • Awaiting Compute Equip.- ETA 1 June
    • Awaiting Networking Equip. - ETA 1 July
    • End-to-end EJFAT ERSAP solution
    • Building Interim Test Lab
      • Use FPGA port #1 for local host subnet testing
      • Use FPGA port #2 for switch fabric testing
      • Use (2) spare/borrowed switches in DAQ data center/lab
      • Using spare 8 nodes (Abbott)
        • Decision on Hall-D spare 10Gbs NICs for compute nodes
        • OS install on interim boxes - next week
      • Switch config for Jumbo frames
      • Diagram
  • Pending:
    • Minor f/w change for 'garbage' packets
    • Support C libraries for LB Host Control Plane
    • ESnet smartnic open-source GitHub repo (April)
    • ESnet private, forkable Jlab P4 and simulations GitHub repo (April)
  • To Do:
    • C-based control plane
      • Feedback from Compute hosts design
      • Control Plane Arp cache / network good citizen
      • Hall-D EJFAT + SLURM
    • Jumbo Frames - currently limited to 1472B frames - fix is in / not yet installed
    • IPV6 testing
    • EJFAT Subnet
    • Performance Measures:
      • Payload Size
      • Reassembly
      • Multiple Back-Ends
  • Test Plan
  • AOT

  • Actions:
    • David L, will check on spare 10Gbs NICs from Hall-D