[Bug 87324] RFE: Improve bandwidth monitoring

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=87324

--- Comment #1 from Frediano Ziglio <fziglio at redhat.com> ---
This is quite interesting... and wrong.

I would add that checking at the beginning of connection you are likely to get
a lower value for bandwidth due to window size or congestion algorithms.
The ping has the issue to be not working with proxies.
We should account for bandwidth using all channels.
In the streaming code there are similar computation but one issue is that they
don't take into consideration possible packet already queued resulting in
reduced bandwidth and higher latency.
There is already a protocol for ping/pong in the channels, we could use that.
Without proxies the estimated RTT can be read using TCP_INFO socket option in
Linux (see tcp(7)).

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