Hi ZmnSCPxj,

Just a nit to add for reference to this great writeup.


> -   Add random tweaks to your channel traversal costs.
>     -   This is done currently by the C-Lightning route randomization 
> feature, but note that it is currently set to up to a +/-5% tweak.
>         -   [This paper](https://arxiv.org/pdf/1909.06890) evaluates the 
> C-Lightning route randomization as well.
>             It suggest adding random tweaks to the costs of entire routes 
> instead, though it may not be easy for normal pathfinding algorithms to 
> implement this.

Since the authors made this analysis, the total fuzzing has been replaced by a 
tweak of both the base and proportional fees, added along the CTLV during the 
shadow route random walk.
https://github.com/ElementsProject/lightning/blob/8c387932c0095ffbe7314a73004337f5cc15ece0/plugins/pay.c#L827

Regards,
Darosior

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