Looking for recommendations for a dedicated ping responder

Christopher Morrow morrowc.lists at gmail.com
Fri Sep 9 20:42:51 UTC 2016

On Fri, Sep 9, 2016 at 4:17 PM, Jared Mauch <jared at puck.nether.net> wrote:

> > On Sep 9, 2016, at 4:08 PM, Dan White <dwhite at olp.net> wrote:
> >
> > We're being caught up in some sort of peering dispute between Level 3 and
> > Google (in the Dallas area), and we've fielded several calls from larger
> > customers complaining of 40-50% packet loss (to when there
> appears
> > to be no actual service impacting loss.
> >
> > We currently suggest customers use a Linux server to ping against, or
> > another public host.
> >
> > Ideally we'd like to use a hardware based ICMP system for customer use -
> > Accedian NIDs are good at this (exceptionally low jitter) accept they
> > throttle at 500 pings per second.
> I know that the NETNOD folks did NTP in a FPGA that can do 4x 10GE,
> perhaps that card and code could be used to do 40G ICMP responder?
or, alternately test some useful application instead? I mean, 'wget' will
tell you stats about the bw/etc... apache-bench will as well, and you can
probably whip up some custom python/etc that'd do the same sort of thing.

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