North American Network Operators Group

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Re: anycast roots

  • From: Matt Larson
  • Date: Wed Nov 17 14:35:09 2004

On Wed, 17 Nov 2004, Elmar K. Bins wrote:
> 
> [email protected] (Stephane Bortzmeyer) wrote:
> 
> > It is not easy to find by itself (you have to do a lot of traceroutes)
> > so, if you have access to this information, it would be quite useful.
> > 
> > (I'm one of the persons who see a lot of jitter for
> > j.root-servers.net with Randy Bush's experiment.)
> 
> Well, either my probes don't pick up the jitter, or I'm guessing the
> naming convetion for j wrongly.
> 
> I see
> 
> jns1-hgtld.j.root-servers.net
> jns2-hgtld.j.root-servers.net
> jns3-hgtld.j.root-servers.net
> jns4-hgtld.j.root-servers.net
> jns5-hgtld.j.root-servers.net
> jns6-hgtld.j.root-servers.net
> 
> (same from AS8495/AS8220 and AS8763)
> 
> in alternating fashion, but I would assume "jns1" through "jns6" are
> just the individual servers of a setup called "hgtld".

Correct.  At the moment, most J root instances are colocated with
com/net name servers.  The instance you're reaching is colocated with
h.gtld-servers.net, which is in Amsterdam.

Matt
--
Matt Larson <[email protected]>
VeriSign Naming and Directory Services