TOS byte on port forwarding-only connections

Matt Johnston matt at
Tue Jul 15 18:38:46 WST 2014

Hi Catalin,

Yes, that's what I was thinking of. I can implement it.


On 14 July 2014 2:56:17 am AWST, Catalin Patulea <cat at> wrote:
>On Tue, Jul 8, 2014 at 9:44 AM, Matt Johnston <matt at> wrote:
>> I'm not really sure how to resolve it though. Maybe as a
>> tradeoff the refcounting could just switch between LOWDELAY
>> and no-tos-flags if there are TCP forwards going on, then
>> BULK if there aren't TCP forwards?
>Ok, so if I'm understanding correctly, the invariant would be something
>if (connecting || ptys) tos = LOWDELAY;
>else if (tcp_forwards) tos = 0;
>else tos = BULK;
>This might be implemented cleverly so that it's only reapplied on 0/1
>transitions of ptys and tcp_forwards, but these would be the
>high-level semantics?
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