[98833] in North American Network Operators' Group
Re: Cogent latency / congestion
daemon@ATHENA.MIT.EDU (Hex Star)
Mon Aug 20 16:35:01 2007
Date: Mon, 20 Aug 2007 12:56:22 -0700
From: "Hex Star" <hexstar@gmail.com>
To: "Robert Bonomi" <bonomi@mail.r-bonomi.com>, nanog@merit.edu
In-Reply-To: <200708201932.l7KJWPL9008727@mail.r-bonomi.com>
Errors-To: owner-nanog@merit.edu
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On 8/20/07, Robert Bonomi <bonomi@mail.r-bonomi.com> wrote:
>
>
>
>
> No details, but I've seen reports of 100+ms between S.F. and L.A. on
> Cogent, as well.
>
>
hexstars-computer:~ hexstar$ traceroute status.cogentco.com
traceroute to status.cogentco.com (38.9.51.60), 64 hops max, 40 byte packets
1 10.0.1.1 (10.0.1.1) 2.466 ms 1.044 ms 1.012 ms
2 * * *
3 * ge-2-8-ur01.oakland.ca.sfba.comcast.net (68.86.249.113) 11.942 ms
12.726 ms
4 68.86.90.138 (68.86.90.138) 16.877 ms 13.270 ms 15.623 ms
5 68.86.90.149 (68.86.90.149) 16.048 ms 16.763 ms 14.488 ms
6 68.86.90.165 (68.86.90.165) 20.053 ms 17.489 ms 16.963 ms
7 te-4-4.car2.sanjose1.level3.net (4.79.43.133) 19.845 ms 19.059 ms
17.520 ms
8 ae-23-79.car3.sanjose1.level3.net (4.68.18.69) 19.369 ms 16.214 ms
14.273 ms
9 cogent-comm.car3.sanjose1.level3.net (4.68.110.138) 17.942 ms 20.228ms
19.781 ms
10 v3492.mpd01.sjc01.atlas.cogentco.com (154.54.6.105) 108.626 ms 198.176ms
223.244 ms
11 t9-2.mpd01.lax01.atlas.cogentco.com (154.54.5.70) 101.092 ms 105.903ms
105.539 ms
12 t2-1.mpd01.iah01.atlas.cogentco.com (154.54.3.185) 103.102 ms 97.710ms
98.995 ms
13 t3-4.ccr01.clt01.atlas.cogentco.com (154.54.7.146) 206.319 ms 248.681ms *
14 t3-3.mpd01.dca01.atlas.cogentco.com (154.54.5.54) 108.830 ms 118.044ms
133.046 ms
15 v3491.mpd01.dca02.atlas.cogentco.com (154.54.2.182) 103.144 ms 102.917ms
103.185 ms
16 v3490.mpd01.iad03.atlas.cogentco.com (154.54.7.98) 103.380 ms 104.275ms
103.733 ms
17 g1-1.core01.hhc.corp.cogentco.com (38.104.58.6) 104.401 ms * 107.873ms
18 support.cogentco.com (38.9.51.60) 102.263 ms 104.932 ms 102.603 ms
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<br><br><div><span class="gmail_quote">On 8/20/07, <b class="gmail_sendername">Robert Bonomi</b> <<a href="mailto:bonomi@mail.r-bonomi.com">bonomi@mail.r-bonomi.com</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<br><br><br>No details, but I've seen reports of 100+ms between S.F. and L.A. on<br>Cogent, as well.<br><br></blockquote></div><br><br>hexstars-computer:~ hexstar$ traceroute <a href="http://status.cogentco.com">status.cogentco.com
</a><br>traceroute to <a href="http://status.cogentco.com">status.cogentco.com</a> (<a href="http://38.9.51.60">38.9.51.60</a>), 64 hops max, 40 byte packets<br> 1 <a href="http://10.0.1.1">10.0.1.1</a> (<a href="http://10.0.1.1">
10.0.1.1</a>) 2.466 ms 1.044 ms 1.012 ms<br> 2 * * *<br> 3 * <a href="http://ge-2-8-ur01.oakland.ca.sfba.comcast.net">ge-2-8-ur01.oakland.ca.sfba.comcast.net</a> (<a href="http://68.86.249.113">68.86.249.113</a>) 11.942
ms 12.726 ms<br> 4 <a href="http://68.86.90.138">68.86.90.138</a> (<a href="http://68.86.90.138">68.86.90.138</a>) 16.877 ms 13.270 ms 15.623 ms<br> 5 <a href="http://68.86.90.149">68.86.90.149</a> (<a href="http://68.86.90.149">
68.86.90.149</a>) 16.048 ms 16.763 ms 14.488 ms<br> 6 <a href="http://68.86.90.165">68.86.90.165</a> (<a href="http://68.86.90.165">68.86.90.165</a>) 20.053 ms 17.489 ms 16.963 ms<br> 7 <a href="http://te-4-4.car2.sanjose1.level3.net">
te-4-4.car2.sanjose1.level3.net</a> (<a href="http://4.79.43.133">4.79.43.133</a>) 19.845 ms 19.059 ms 17.520 ms<br> 8 <a href="http://ae-23-79.car3.sanjose1.level3.net">ae-23-79.car3.sanjose1.level3.net</a> (<a href="http://4.68.18.69">
4.68.18.69</a>) 19.369 ms 16.214 ms 14.273 ms<br> 9 <a href="http://cogent-comm.car3.sanjose1.level3.net">cogent-comm.car3.sanjose1.level3.net</a> (<a href="http://4.68.110.138">4.68.110.138</a>) 17.942 ms 20.228 ms
19.781 ms<br>10 <a href="http://v3492.mpd01.sjc01.atlas.cogentco.com">v3492.mpd01.sjc01.atlas.cogentco.com</a> (<a href="http://154.54.6.105">154.54.6.105</a>) 108.626 ms 198.176 ms 223.244 ms<br>11 <a href="http://t9-2.mpd01.lax01.atlas.cogentco.com">
t9-2.mpd01.lax01.atlas.cogentco.com</a> (<a href="http://154.54.5.70">154.54.5.70</a>) 101.092 ms 105.903 ms 105.539 ms<br>12 <a href="http://t2-1.mpd01.iah01.atlas.cogentco.com">t2-1.mpd01.iah01.atlas.cogentco.com</a>
(<a href="http://154.54.3.185">154.54.3.185</a>) 103.102 ms 97.710 ms 98.995 ms<br>13 <a href="http://t3-4.ccr01.clt01.atlas.cogentco.com">t3-4.ccr01.clt01.atlas.cogentco.com</a> (<a href="http://154.54.7.146">154.54.7.146
</a>) 206.319 ms 248.681 ms *<br>14 <a href="http://t3-3.mpd01.dca01.atlas.cogentco.com">t3-3.mpd01.dca01.atlas.cogentco.com</a> (<a href="http://154.54.5.54">154.54.5.54</a>) 108.830 ms 118.044 ms 133.046 ms<br>15
<a href="http://v3491.mpd01.dca02.atlas.cogentco.com">v3491.mpd01.dca02.atlas.cogentco.com</a> (<a href="http://154.54.2.182">154.54.2.182</a>) 103.144 ms 102.917 ms 103.185 ms<br>16 <a href="http://v3490.mpd01.iad03.atlas.cogentco.com">
v3490.mpd01.iad03.atlas.cogentco.com</a> (<a href="http://154.54.7.98">154.54.7.98</a>) 103.380 ms 104.275 ms 103.733 ms<br>17 <a href="http://g1-1.core01.hhc.corp.cogentco.com">g1-1.core01.hhc.corp.cogentco.com</a> (
<a href="http://38.104.58.6">38.104.58.6</a>) 104.401 ms * 107.873 ms<br>18 <a href="http://support.cogentco.com">support.cogentco.com</a> (<a href="http://38.9.51.60">38.9.51.60</a>) 102.263 ms 104.932 ms 102.603 ms
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