[130723] in North American Network Operators' Group
Re: AT&T/L3 interconnect?
daemon@ATHENA.MIT.EDU (Adam Davenport)
Mon Oct 11 14:22:17 2010
In-Reply-To: <D338D1613B32624285BB321A5CF3DB251059E0AECB@ginga.ai.net>
Date: Mon, 11 Oct 2010 14:21:55 -0400
From: Adam Davenport <adam@davenpro.com>
To: Deepak Jain <deepak@ai.net>
Cc: NANOG list <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
http://www.nanog.org/meetings/nanog45/presentations/Sunday/RAS_traceroute_N45.pdf
On Mon, Oct 11, 2010 at 2:08 PM, Deepak Jain <deepak@ai.net> wrote:
>
> While jumping on the wagon of poking at a particular 175.x.x.x address, I
> noticed something in my trace:
>
> 10 5 ms 5 ms 5 ms att-level3-30G.washingtondc.level3.net[4.68.62.30]
> 11 73 ms 72 ms 73 ms cr2.wswdc.ip.att.net [12.122.84.82]
> 12 74 ms 74 ms 75 ms cr1.cgcil.ip.att.net [12.122.18.21]
> 13 72 ms 72 ms 72 ms cr2.dvmco.ip.att.net [12.122.31.85]
> 14 73 ms 72 ms 73 ms cr1.slkut.ip.att.net [12.122.30.25]
> 15 73 ms 72 ms 72 ms cr2.la2ca.ip.att.net [12.122.30.30]
> 16 72 ms 72 ms 72 ms cr84.la2ca.ip.att.net [12.123.30.249]
> 17 73 ms 73 ms 73 ms gar1.lsrca.ip.att.net [12.122.129.121]
>
> Does anyone happen to know where the other end of this tunnel is that
> magically everything from a DC-DC hop to a DC-LA hop are all exactly 73ms?
>
> thanks,
>
> DJ
>
>
