Thanks for all your answers guys! Now i know that i'm doeing good running 
bridges in different iat modes. Actually I'm running 4 bridges, and two have 
iat_mode set to 0 and two others set to 1 and 2 respectively.

I also have a question about bridges speed. It seems that when I do use of my 
bridge (that is in same network of my PC) the connection is too slow (~1Mbps 
using relays in a circuit that clearly (by seeing it in tor metrics) has high 
bandwidth). I do use it as a guard relay. But, when i disable the settings, 
using the same circuit or an very similar one I can see that the speed bumps to 
more than 4 Mbps.
Is there any optimizations that I can do in my bridge relay? I have 20 Mbps 
uplink and 200 Mbps downlink here. Set my speed setting to 10 Mbps maxium in 
torrc. I can also see that bridge is not overloaded (no high cpu usage and low 
number of connections around 180 for now).

Best regards,

Luiz


Sent with ProtonMail Secure Email.

‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
Em segunda-feira, 1 de março de 2021 às 10:38, William Kane 
<[email protected]> escreveu:

> If you run more than three bridges, run an even distribution of
> bridges with iat_mode set to 0, 1 and 2, if you run only three
> bridges, one with each setting, if two, then 0 and 2, if only one, run
> it with 2 due to the lack of bridges supporting it, et cetera.
>
> That's how I would handle it..
>
> -   William
>
>     2021-02-24 23:44 GMT, Eddie [email protected]:
>
>
> > On 2/24/2021 12:34 PM, William Kane wrote:
> >
> > > Thank you for running obfs4 bridges with iat_mode != 0, only very few
> > > obfs4 bridges support the additional traffic obfuscation in both
> > > directions.
> > > Kudos to you my friend.
> > >
> > > -   William
> > >     Should I take this as a recommendation to update my bridges to support
> > >     iat_mode=2.
> > >
> >
> > Cheers.
> >
> > > 2021-02-23 1:18 GMT, torjoy [email protected]:
> > >
> > > > Hi All,
> > > > I work with time and frequency references and run some tor bridges. What
> > > > is
> > > > the objective of "iat_mode" setting? Is an good timming reference
> > > > important
> > > > for this setting? For now, i'm adminstrating 3 briges, one with
> > > > iat_mode=0,
> > > > iat_mode=1 and iat_mode=2.
> > > > Could you explain or forward me to some reading about it?
> > > > Best regards,
> > > > Luiz
> > > > Sent with ProtonMail Secure Email.
> > >
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