Re: Comcast Network Peer Survey on DSCP/ECN for L4S

2022-06-13 Thread Jared Mauch
This seems to be missing some of the reasons/why things are remarked, perhaps it would be wise to bring some of the people interested in this to the various vendor-specific lists or such? For example, for some hardware types, enabling any sort of rate shaping at all will rewrite the DSCP values

Re: Comcast Network Peer Survey on DSCP/ECN for L4S

2022-06-10 Thread Dave Taht
I would argue that question 9 needs an option of "Both". Secondly, two additional good questions to ask would be: are the ECN values presently being treated as RFC3168? Are the ECN values being modified by any AQM implementations (WRED, FQ_CODEL, etc) on any switch or router in transit?

Comcast Network Peer Survey on DSCP/ECN for L4S

2022-06-10 Thread Livingood, Jason via NANOG
Hi – Comcast is working on the implementation of ultra-low latency networking, leveraging the IETF’s upcoming L4S standard. This standard will require passing ECN and DSCP markings across network boundaries. As a result, we are interested in your perspective on this and in how you handle marking