From: Pete Heist <pete@heistp.net>
To: flent-users <flent-users@flent.org>
Subject: [Flent-users] total throughput for rrul test on WiFi
Date: Tue, 26 Jun 2018 00:40:43 +0200 [thread overview]
Message-ID: <F8D9C65F-5845-433E-8127-4BC7374FC120@heistp.net> (raw)
The rrul test over a point-to-point WiFi link cuts the total TCP throughput considerably below that of rrul_be. For example, on an 802.11n 20MHz MCS 15 link:
rrul_be: ~90mbit
rrul: ~30-45mbit
I think this came up before, but could the standard rrul test be exceeding the 802.11e spec in terms of how much bandwidth it's using for some access categories? I haven’t found reference to this anywhere, but if so I’ll need to take that into account when interpreting the results. (athstats on Ubiquiti’s gear shows that the counters for all four categories BK, BE, VI and VO go up, so they appear to map evenly with DSCP values BK, BE, CS5 and EF.)
Anyway I think the DSCP field is set to 0 in the backhaul I’m testing for, so rrul tests are probably more of a curiosity in this case...
Pete
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next reply other threads:[~2018-06-25 22:41 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-25 22:40 Pete Heist [this message]
2018-06-26 8:40 ` Sebastian Moeller
2018-06-26 8:58 ` Pete Heist
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