EPSCI SRO Meeting Sep. 30 2024

Microsoft Teams Meeting ID: 284 014 929 953 Passcode: hBrrMRYou (Click "Expand" to the right for details -->):

Microsoft Teams
Meeting ID: 284 014 929 953
Passcode: hBrrMRYou

Announcements
- Public relations article
- NVIDIA Holoscan Bootcamp
ERSAP
- Reassembly Engine: Integrating with Prometheus for enhanced metrics support (completed)
- Updated CLAS12 data processing workflow in preparation for a new data-stream processing test.
  - Scheduled this Thursday, October 3, at 1 pm.
    - 80 Perlmutter, 4 Defiant, x FABRIC nodes
- E2SAR actor development (Srinivas)

- TDP/DPUX as JIRIAF Front-End: Implementing the RTDP/DPUX framework at the JIRIAF front-end for testing.
- EJFAT Testbed Commissioning: Commissioning the data-stream test on the EJFAT platform.
Streaming CODA
- CODA control events
  - Discussion on communicating VTP/ROC configurations (run-type) to the Event Builders (EBs).
  - Strategies for informing EBs when all VTPs or ROCs have entered the prestarted state.
  - Mechanisms to notify CODA components about the end of a run.
- Role of the load balancer (LB)
  - The LB simplifies CODA component discovery and networking.
  - Control event broadcasting via the Data Plane (DP) is not viable and of limited use.
  - CODA run-control (AFECS) platform as the manager for control events and the streaming DAQ state machine. CODA control events will be handled out-of-band for streaming workflows.
CODA AFECS platform
- CODA platform and LB communication
  - Verifying or discovering the readiness of CODA "back-end" components.
  - Investigating the potential for accessing stream source data via the Control Plane (CP).
- AFECS Pub-Sub servers for CODA-3.x
  - General discussion on cMsg and cMsg rc-domain servers.
  - Evaluating the feasibility of extending the LB CP as the sole pub-sub server for streaming CODA, potentially replacing cMsg with gRPC.
AOT

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