IETF 124 Montreal MBONED 
Tues, Nov 4, 2025
17:00 - 19:00 EST
Tues Session IV, 2 St Denis

Chat Log: https://zulip.ietf.org/#narrow/stream/101-mboned/topic/ietf-124
Video log: https://youtu.be/rywSCVepMlA
Full session recording (incl transcript, polls, chat, video,etc):
https://www.meetecho.com/ietf124/recordings#MBONED
Human Note-taker: Kyle Rose
Automatically generated minutes: https://ietfminutes.org/minutes/ietf124/mboned.html


Status of WG items
Chairs, 10 min

    redundant-ingress-failover should be ready for the next round of
    reviews shortly
    Plz review multicast-security draft and decide whether we want
    additional changes prior to requesting reviews from directorates

Side Mtg: Using Multicast for Large-Scale Live Streaming over the
Internet
Lenny Giuliano, 5 min

Discovery Of Restconf Metadata for Source-specific multicast
(draft-ietf-mboned-dorms)
Max Franke, 10 min

    Probably ready for WGLC, maybe modulo some things that CBACC
    changes might need

Circuit Breaker Assisted Congestion Control (draft-ietf-mboned-cbacc)
Max Franke, 15 min

    Authors decided some changes need to be made to make it work as a
    circuit breaker
    Presented at CCWG, and will follow up with a list of issues and
    further discussion on ccwg mailing list
    Discovered a bunch of issues with the bluntness of circuit breakers,
    plus probable bad interactions with bandwidth-seeking applications
    like TCP
    Will not proceed toward publication as a cluster: AMBI is too far
    behind

Non-source-routed Multicast in SR Networks (draft-ietf-mboned-non-source-routed-sr-mcast)
Jeffrey Zhang, 10 min

    Looking for feedback before going to WGLC; did not receive attention
    on the list
    Author's opinion is that it's ready for WGLC; Nils agrees

Using multicast in Aircast for ULL, in-venue live streaming
Craig Horobin, 20 min

    Authors to reach out to Chris Lenart about possible hardware changes
    needed for 5G MBMS
    Omar Ramadan suggests looking into other possibilities for loss and
    error-resilient encodings for media

Multicast in the Browser: Direct Sockets enable isolated web apps on TreeDN
Omar Ramadan, 30 min

Cryptographic Coverage Verification for Multicast Distribution Networks
Omar Ramadan, 15 min