[Cerowrt-devel] [Bloat] heisenbug: dslreports 16 flow test vs cablemodems

[Eggert, Lars]

On 2015-5-15, at 06:44, Aaron Wood <woody77 at gmail.com<mailto:woody77 at gmail.com>> wrote:
ICMP prioritization over TCP?

Probably.

Ping in parallel to TCP is a hacky way to measure latencies; not only because of prioritization, but also because you don't measure TCP send/receive buffer latencies (and they can be large, auto-tuning is not so great.)

You really need to embed timestamps in the TCP bytestream and echo them back. See the recent netperf patch I sent.

Lars
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