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From: Ethan Katz-Bassett (no email)
Date: Tue Mar 11 2008 - 03:01:54 EDT
Another you might want to look at is our system Hubble (http://
hubble.cs.washington.edu), which monitors reachability problems. I
presented a preliminary study at NANOG40 (http://www.nanog.org/
mtg-0706/bassett.html), and now it is running continuously. Some of
the other changes since the talk:
- It monitors 78,000+ prefixes, with pings from 100 sites and
traceroutes from 35 sites around the world. Once we roll over to the
list used by the sister project iPlane, the number of prefixes will
be 142,000+.
- We developed a technique using source-spoofed probes to isolate the
failures to forward or reverse paths.
- The website lets you query for the status of an address.
For now, failed pings trigger traceroutes, but we plan to start
looking at latency changes as well. If you look at the site, I'd
appreciate any feedback on what we have and where we should be going
with it, as we'd like this to become a useful tool. If you have a
prefix we can start monitoring, please feel free to write me or use
the feedback form on the website to give us a pingable address to
use, and I should be able to incorporate it.
Thanks.
ethan
>
> -------- Original Message --------
> Subject: 3rd party network monitoring
> Date: Tue, 04 Mar 2008 12:02:27 -0500
> From: Darrell Hyde <>
> To:
>
>
> In light of the recent major outages experienced by XO and Abovenet, I
> have become very interested in finding a 3rd party vendor to
> monitor the
> availability of my network from a variety of locations.
>
> I've looked at keynote / redalert, but oddly enough they don't seem to
> be able to monitor simple ICMP round-trip times - they (or at least
> the
> sales folk that I've spoken with) insist on checking the status of
> a TCP
> port or the response time of a web server.
>
> Google searches have yielded a few leads, but nothing terribly
> promising.
>
> Can anybody recommend a vendor for this type of service? I suppose I
> could always just get a bunch of VPS accounts here and there and run
> smokeping, but I'd really like to avoid that.
>
> - Darrell
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