RNTWG Packet Marking WG Meeting

Tuesday 24 Jan 2023, 17:00 → 18:00 Europe/Zurich

Marian Babik (CERN), Shawn Mc Kee (University of Michigan (US))

Packet marking working group meeting to review status and plans.  

https://umich.zoom.us/j/91343209239?pwd=T1o0WXBSbE1wMk5DNU5aQUZUVURrUT09 

 

Links: 

   Packet Marking WG

   SciTags https://www.scitags.org/ 

Live meeting notes https://docs.google.com/document/d/1QHDaohryFgxu-Xq5D4_Amp9D3nG-XOfWccr0BCm7ch0/edit#  

Packet Marking Meeting: Packet Marking WG

Conveners: Marian Babik (CERN), Shawn Mc Kee (University of Michigan (US))

1 News

Speakers: Marian Babik (CERN), Shawn Mc Kee (University of Michigan (US))

FLOWD Version 1.0.0 (https://github.com/scitags/flowd)
Release Notes:

• flowd 1.0 released Jan 23rd 2023

New features:

• New backends: eBPF for packet marking and Prometheus to expose metrics
• New plugins: netlink, firefly and iperf
• Updated documentation (added config reference, contribution guide)
• Support for running mutliple backends
• Systemd integration
• Netlink cache and parsing for udp_firefly and prometheus backends
• Updated license and copyrights

2 Review, Plans and next steps

2023 Priorities and Plans:

• Storages - engage more storage technologies to adopt Scitags
  • dCache implementation - target SC for production demo ?
  • EOS, Echo, Storm next ?  
  • Flowd in production on multiple XRootd, dCache systems 
• Propagation of the flow identifier in WLCG DDM
  • FTS and Rucio implementations
  • DIRAC, Alice next ?
• Collectors/Receivers
  • Establish production level network of receivers (ESnet, Jisc, GEANT ?)
  • Flow label collectors plans
• R&D 
  • Packet pacing R&D - objectives ?
  • Flowd packet marking 
  • Routing and forwarding using flow label in P4 testbed (MultiONE)
• Publications and Outreach
  • CHEP23 
  • RFC
  • Technical specification updates
  • Events:
    • SC23
    • DC24 - data challenge is foreseen Feb 2024 but mini-challenges should be planned beforehand (one co-located with SC23 ?)
    • Regular meetings (HEPiX, LHCOPN/LHCONE, WLCG DOMA BDT)
    • Other ?