Reverse Traceroute

Wed Feb 22 17:19:52 UTC 2023

Didn't ethan's project:
  https://www.measurementlab.net/publications/reverse-traceroute.pdf

end with usable code/etc?

On Wed, Feb 22, 2023 at 8:09 AM Rolf Winter <rolf.winter at hs-augsburg.de> wrote:
>
> Dear NANOG folks,
>
> As you know, traceroute is unable to enumerate routers on the reverse
> path. Given that paths through the public internet are usually
> asymmetric, knowing the reverse path would be beneficial e.g. for
> troubleshooting purposes (https://youtu.be/L0RUI5kHzEQ?t=2312).
>
> We have implemented a reverse traceroute tool
> (https://github.com/hsanet/reverse-traceroute), both client and server
> for both IPv4 and IPv6. We are also in the process of specifying the
> protocol at the IETF
> (https://datatracker.ietf.org/doc/html/draft-heiwin-intarea-reverse-traceroute).
>
>
> We also gave a talk on reverse traceroute at DENOG14
> (https://youtu.be/Y7NtqLEtgjU).
>
> If you would like to play with reverse traceroute, the easiest option is
> to work with the client and use one of the public server instances
> (https://github.com/HSAnet/reverse-traceroute/blob/main/ENDPOINTS). If
> you would be willing to host a public server instance yourself, please
> reach out to us. Also, if you find this work useful, please start
> discussing the work at the IntArea WG at the IETF.
>
> If you have any questions or comments, just drop us a line, file an
> issue on github and/or use the IntArea mailing list.
>
> Thanks a bunch,
>
> Rolf