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20050308: IDD top level relay atm.geo.nsf.gov unavailable

This archive contains answers to questions sent to Unidata support through mid-2025. Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated. For the most up-to-date information on the use of NSF Unidata software and data services, please consult the Software Documentation first.

  • Subject: 20050308: IDD top level relay atm.geo.nsf.gov unavailable
  • Date: Tue, 08 Mar 2005 09:14:26 -0700
>From: Unidata User Support <address@hidden>
>Organization: Unidata Program Center/UCAR
>Keywords: IDD atm.geo.nsf.gov

IDD nodes feeding from atm.geo.nsf.gov:

The Internet2 connectivity provided by a laser link at the NSF/ATM
offices in Northern Virginia is not working due to heavy precipitation
in the area.  Networking at NSF/ATM is configured to only allow LDM
feed requests through its Internet2 connection (since their commodity
Internet connection would be consumed by IDD traffic alone), so sites
using atm.geo.nsf.gov as their primary feed site should failover to
their backup(s) as soon as possible.  The toplevel IDD relay at
Unidata, idd.unidata.ucar.edu, may be used as a failover site for all
feeds if your other failover is not availables or is not receiving
data.

atm.geo.nsf.gov's Internet2 connectivity should return automatically as
when the precipition in Northern Virginia abates enough for the laser
link to begin functioning again.

We apologize for the inconvenience...

Tom Yoksas