EJFAT EPSCI Meeting Mar. 23, 2022

The meeting time is 2:00pm.

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Meeting URL
https://jlab-org.zoomgov.com/j/1612038101?pwd=Yk96QUcyT1NDVTRRUGNtOFVSSTdaUT09&from=addon

Meeting ID
161 203 8101

Passcode
378382

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Agenda:

• Previous meeting

• Situation:
  • Testing with End-to-end EJFAT ERSAP solution on FPGA LB
  • Jumbo Frames - indra-s2,s3, alkaid, fpga
  • Linux IP stack buffer size increased
  • Using script based LB Control Plane
  • Control Plane Gratuitous Arp cache updating (Scapy)
  • Awaiting Compute Equip.- ETA 1 June
  • Awaiting Networking Equip. - ETA 1 July
  • Benchmarks for RT2022 (April 1)
• Pending:
  • 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:
  • Near Term:
    • Test Plan
    • Performance Measures (RT2022 - April 01 submission):
    • Control Plane ARP poisoning
    • alkaid -> jumbo frames
    • Linux IP stack buffer size
    • data_id <-> reassembly port mapping
  • Downstream:
    • P4 enhancements for
      • data_id <-> reassembly port mapping
      • P4 ipv4 ping, arp
    • C-based control plane
      • Feedback from Compute hosts design
      • Control Plane daemon for compute host
    • IPV6 testing
    • EJFAT Subnet
    • Hall-D EJFAT + SLURM use case
• Issues:
  • O/S / Dev Tools on indra-s1,3, alkaid, etc.
  • Abbott spare 8 nodes - OBE?
  • Hall-D spare 10Gbs NICs - OBE?
  • CentOS 7 install on interim boxes - OBE?
  • Diagram - OBE?
• AOT

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