EJFAT Group Meeting Dec. 22, 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/16184166709

Meeting ID
161 8416 6709

Passcode
(none)

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Agenda:

  • Previous meeting
  • Announcements:
  • Status:
    • Using ESnet FPGA f/w build 28 April
      • Specs
      • Jumbo Frames
      • arp, ping, ICMP filtering
      • Port entropy
    • Script based LB Control Plane
    • EJFAT VLAN Open for Business:
      • Hosts running Ubuntu 20.04
      • 1 Gbs i/f are: ejfat-1, ejfat-2, ejfat-3, ejfat-3, ejfat-5, ejfat-6, ejfat-fs
      • 100 Gbs i/f are: ejfat-1-daq, ejfat-2-daq, ejfat-3-daq, ejfat-3-daq, ejfat-5-daq, ejfat-6-daq, ejfat-fs-daq
      • LBs: ejfat-fs - ejfat-6 = 172.19.22.241-247, indra-s2 = 172.19.22.248
    • FPGA LB Throughput - max sustained 90Gbs with s/w data generation
    • RT 2022 Paper / IEEE-TNS - submitted August 22 - up to 8 mos. review process, 1st revision submitted 12/09/2022
  • Current Activities
    • Wrapping up EJFAT-I
    • Test plan for all pieces required for integration test
      • CLAS12 files -> Carl C++ Packetizer -> LB -> Carls's C++ Reassembler -> ERSAP
      • Bug in LB DP - not forwarding packets of length < (18 bytes + LB Header size)
      • Sending packets to indra-s3 NIC (129.57.109.232) but can't programitically read them
    • Control Plane
      • Compute Farm Feed Back Monitor
      • Have working RL (Q-Learning) Schedule Density Adjuster (to be integrated)
      • Implemented PID Controller
      • Need to define Optimality Criterion for Schedule Density
      • DP Supervisor
      • Demonstrate CP based flexibility/elasticity
    • Paper for ACAT 2022 Conf Proc. (TBD)
    • Indra-s3 issue
  • ESnet Update:
    • New toolkit for detailed FPGA packet tracking
      • Uses DPDK
      • Can send packets via PCIe to FPGA
    • Proposing special packet for CP event_id sync with sender - discuss with DAQ group
    • IPV6 neighbor discovery - in process
    • LB F/W Installation Manual - with PCI buffer allocation assurance steps
    • In ESnet Legal Review
      • Support C libraries for LB Host Control Plane - needs completion of C API doc
      • Control Plane gRPC i/f to LB FPGA
      • ESnet smartnic open-source GitHub repo - in legal review
      • ESnet private, forkable Jlab P4 and simulations GitHub repo - in legal review
  • AOT