EJFAT Group Meeting Dec. 15, 2022

The meeting time is 11:00am.

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Meeting URL
 https://jlab-org.zoomgov.com/j/16184166709

Meeting ID
161 8416 6709

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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)
    • Implementing 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

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