Jim Wrote: > Back last summer, to my surprise, when I asked Van Jacobson about my > traces, he said all the required proof was already present in my traces, > since modern Linux (and I presume other) operating systems had time > stamps in them (the TCP timestamps option). > > Here's the off the wall idea. The buffers we observe are often many > times (orders of magnitude) larger than any rational RTT. > > So the question I have is whether there is some technique whereby > monitoring the timestamps that may already be present in the traffic > (and knowing what "sane" RTT's are) that we can start marking traffic in > time prevent the worst effects of bloating buffers? This reminds me of a related concept, using the TTL really as 'Time To Live' (in today's IP, it's more of a 'Remaining Hop Count). According to RfC 791, a router that buffers a packet by n seconds must decrease its TTL by n. I doubt that many routers implement this properly.
Wolfgang _______________________________________________ Bloat mailing list [email protected] https://lists.bufferbloat.net/listinfo/bloat _______________________________________________ Bloat mailing list [email protected] https://lists.bufferbloat.net/listinfo/bloat
