Nice challenge. Check out infrapedia.com where you can see length of cables and this may help you “guess” latency but given so many cables are within 5-10ms in some paths there may be false positives
A very good topic to work on. On Wed, Sep 29, 2021 at 08:22 PAUL R BARFORD <p...@cs.wisc.edu> wrote: > Hello, > > I am a researcher at the University of Wisconsin. My colleagues at > Northwestern University and I are studying submarine cable infrastructure. > > Our interest is in identifying submarine links in traceroute > measurements. Specifically, for a given end-to-end traceroute measurement, > we would like to be able to identify when two hops are separated by a > submarine cable. Our initial focus has been on inter-hop latency, which > can expose long links. The challenge is that terrestrial long-haul links > may have the same or longer link latencies as short submarine links. So, > we're interested in whether there may be other features (e.g., persistent > congestion, naming conventions in router interfaces, peering details, etc.) > or techniques that would indicate submarine links. > > Any thoughts or insights you might have would be greatly appreciated - > off-list responses are welcome. > > Thank you. > > Regards, PB > > Paul Barford > University of Wisconsin - Madison > -- Mehmet +1-424-298-1903