Reply to post: Re: Why do I feel smarter than a journalist this morning?

It's a net neutrality whodunnit: Boffins devise way to detect who's throttling transit

Jellied Eel Silver badge

Re: Why do I feel smarter than a journalist this morning?

It's a bit more complicated than that, hence why it won at SIGCOMM. The voodoo's done using CAIDA's TSLP where it's probes craft the ICMP TTL's values to generate more link/hop specific data. Then a bunch of time-series analysis to interpret the results. Which are arguably a more accurate way to determine where congestion's occuring. It can't explain why though, ie if it's throttling, congestion or sometimes just the way routers deal with ICMP packets when they're stressed. For throttling/congestion though, the results are generally the same, ie dropped packets.

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