nanog mailing list archives

Re: Disappointment at DENIC over Poor Rating in .net Procedure


From: "Elmar K. Bins" <elmi () 4ever de>
Date: Sat, 2 Apr 2005 13:48:51 +0200


randy () psg com (Randy Bush) wrote:

    a.nic.de, 100 packets, 7% packet loss
    round-trip min/avg/max = 163.454/199.368/494.708 ms

    c.de.net, 100 packets, 2% packet loss
    round-trip min/avg/max = 15.071/46.131/724.957 ms

    z.nic.de, 100 packets, 3% packet loss
    round-trip min/avg/max = 180.9/222.723/578.468 ms

    s.de.net, 100 packets, 0% packet loss
    round-trip min/avg/max = 184.26/219.786/501.547 ms

    l.de.net, 100 packets, 1% packet loss
    round-trip min/avg/max = 170.435/211.573/568.7 ms

    f.nic.de, 100 packets, 5% packet loss
    round-trip min/avg/max = 171.717/206.826/489.947 ms

Overall for DENIC: 3% loss and 15ms / 166ms / 725ms min/avg/max latency.
c.de.net is the one I'd be using, and it gives 2% loss and 46ms latency.

c.de.net is the one you WISH your resolver would use.  sometimes
it might, others it might not.

Maybe Bill tunes his resolver.

Nonetheless, two things come to mind: why the heck have you gotten
such huge RTTs to z? I'd pretty much like to see your traceroute...

The other: ICMP has been rate-limited. It might not be the way to
test those locations. An mtr output would be more interesting :)

Elmar.



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