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Process Bus Timing Lab — Product Roadmap

Vision

Build a Windows-friendly lab instrument for IEC 61850 process bus timing work: simulate, monitor, validate, and document PTP behavior while staying honest about software-only timing limits.

Product modules

  1. PTP Lab Clock — synthetic master-like simulator for Announce, Sync, Follow_Up, and Pdelay response.
  2. PTP Monitor — passive detector for GM/domain/profile/message health.
  3. Scenario Player — controlled fault injection for analyzer validation.
  4. Timing Report — engineering evidence pack for lab/FAT/customer discussion.
  5. Process Bus Analyzer Integration — correlate PTP timing health with SV and GOOSE workflows.

Current baseline

  • Apache-2.0 license direction.
  • Buildable solution layout, including restored PtpLabClock.Pcap boundary.
  • WPF dashboard shell and Demo Mode.
  • Layer-2 PTP frame builder, including untagged, VLAN, and QinQ helpers.
  • Announce / Sync / Follow_Up / Pdelay request/response generation.
  • Passive monitor and timing health validator.
  • Protocol regression tests.
  • GitHub Actions CI and release packaging.
  • Internal PDF/session evidence export without external PDF package dependency.
  • RAW Npcap transport with VLAN-aware capture filter, adapter diagnostics, MAC-derived clock identity, and RAW Self Test.

Next engineering milestones

  1. Run CI on GitHub and fix any environment-specific build issue.
  2. Add WPF VLAN controls for VID/PCP instead of keeping VLAN TX as an engine/config-level capability.
  3. Add CLI/session report section for RAW Self Test evidence.
  4. Add adapter capability display refinements: driver name, link speed, and admin hint.
  5. Improve per-source sequence tracking by message family.
  6. Add Sync/Follow_Up pairing health checks by source and sequence ID.
  7. Add Pdelay request/response/follow-up peer table.
  8. Add profile guess and mismatch warnings.
  9. Add compact UI screenshots and GitHub release assets.
  10. Integrate PTP health gate concept with SV Injector/Process Bus Analyzer.

Non-goals

  • Do not adjust OS time.
  • Do not claim nanosecond accuracy.
  • Do not emulate full servo/BMCA/hardware timestamping in MVP.
  • Do not bundle Npcap installer without redistribution review.
  • Do not position software-only generated traffic as a certified timing source.