[93115] in North American Network Operators' Group
Re: Extreme Slowness
daemon@ATHENA.MIT.EDU (Elijah Savage)
Thu Oct 26 19:29:37 2006
In-Reply-To: <18f601940610261611t706a2325v440898b29306a88@mail.gmail.com>
From: Elijah Savage <esavage@digitalrage.org>
Date: Thu, 26 Oct 2006 19:28:33 -0400
To: nanog@merit.edu
Errors-To: owner-nanog@merit.edu
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Yes sir I did. This is now resolved. But thank you for noticing.
On Oct 26, 2006, at 7:11 PM, Aaron Glenn wrote:
>
> On 10/26/06, Elijah Savage <esavage@digitalrage.org> wrote:
>> Say like this traceroute. This is from TW to a Broadwing DS3.
>>
>> 5 tenge-3-2.car1.Cincinnati1.Level3.net (4.78.216.13)
>> 153.267 ms 207.125 ms
>> tenge-3-1.car1.Cincinnati1.Level3.net (4.78.216.9)
>> 218.920 ms
>> 6 ae-5-5.ebr2.Chicago1.Level3.net (4.69.132.206) 36.976 ms
>> 26.923 ms
>> 57.770 ms
>> 7 ge-11-0.core2.Chicago1.Level3.net (4.68.101.37)
>> 254.145 ms
>> ge-11-1.core2.Chicago1.Level3.net (4.68.101.101)
>> 258.522 ms
>> ge-11-2.core2.Chicago1.Level3.net (4.68.101.165)
>> 227.223 ms
>> 8 broadwing-level3-oc12.Chicago1.Level3.net
>> (209.0.225.10) 231.451 ms
>> 9 so-1-1-0.c1.gnwd.broadwing.net (216.140.15.1) 53.269 ms
>> 35.568 ms
>> 22.511 ms
>> 10 216.140.14.17 (216.140.14.17) 34.751 ms 39.008 ms 46.644 ms
>> 11 p5-0-0.e0.cncn.broadwing.net (216.140.15.78) 32.065 ms
>> 60.797 ms
>> 54.766 ms
>> 12 67.98.17.122 (67.98.17.122) 44.772 ms 27.631 ms 30.655 ms
>> 13 * * *
>
> Uhh, you do realize the end to end latency there (to hop 12, at least)
> is ~30ms...not the 250ms+ you see on intermediate hops, right?
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<HTML><BODY style=3D"word-wrap: break-word; -khtml-nbsp-mode: space; =
-khtml-line-break: after-white-space; ">Yes sir I did. This is now =
resolved. But thank you for noticing.<BR> <SPAN class=3D"Apple-style-span"=
style=3D"border-collapse: separate; border-spacing: 0px 0px; color: =
rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: =
normal; font-variant: normal; font-weight: normal; letter-spacing: =
normal; line-height: normal; text-align: auto; =
-khtml-text-decorations-in-effect: none; text-indent: 0px; =
-apple-text-size-adjust: auto; text-transform: none; orphans: 2; =
white-space: normal; widows: 2; word-spacing: 0px; "><DIV =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px; "><BR =
class=3D"khtml-block-placeholder"></DIV></SPAN><DIV><SPAN =
class=3D"Apple-style-span" style=3D"border-collapse: separate; =
border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; =
font-size: 12px; font-style: normal; font-variant: normal; font-weight: =
normal; letter-spacing: normal; line-height: normal; text-align: auto; =
-khtml-text-decorations-in-effect: none; text-indent: 0px; =
-apple-text-size-adjust: auto; text-transform: none; orphans: 2; =
white-space: normal; widows: 2; word-spacing: 0px; "><BR =
class=3D"Apple-interchange-newline"></SPAN> </DIV><BR><DIV><DIV>On Oct =
26, 2006, at 7:11 PM, Aaron Glenn wrote:</DIV><BR =
class=3D"Apple-interchange-newline"><BLOCKQUOTE type=3D"cite"><DIV =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style=3D"margin-top: =
0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">On =
10/26/06, Elijah Savage <<A =
href=3D"mailto:esavage@digitalrage.org">esavage@digitalrage.org</A>> =
wrote:</DIV> <BLOCKQUOTE type=3D"cite"><DIV style=3D"margin-top: 0px; =
margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Say like this =
traceroute. This is from TW to a Broadwing DS3.</DIV><DIV =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style=3D"margin-top: =
0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">5<SPAN =
class=3D"Apple-converted-space">=A0 =
</SPAN>tenge-3-2.car1.Cincinnati1.Level3.net (4.78.216.13)</DIV><DIV =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px; ">153.267 ms<SPAN class=3D"Apple-converted-space">=A0 =
</SPAN>207.125 ms</DIV><DIV style=3D"margin-top: 0px; margin-right: 0px; =
margin-bottom: 0px; margin-left: 0px; "><SPAN =
class=3D"Apple-converted-space">=A0 =A0 =
</SPAN>tenge-3-1.car1.Cincinnati1.Level3.net (4.78.216.9)</DIV><DIV =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px; ">218.920 ms</DIV><DIV style=3D"margin-top: 0px; =
margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><SPAN =
class=3D"Apple-converted-space">=A0</SPAN>6<SPAN =
class=3D"Apple-converted-space">=A0 =
</SPAN>ae-5-5.ebr2.Chicago1.Level3.net (4.69.132.206)<SPAN =
class=3D"Apple-converted-space">=A0 </SPAN>36.976 ms<SPAN =
class=3D"Apple-converted-space">=A0 </SPAN>26.923 ms</DIV><DIV =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px; ">57.770 ms</DIV><DIV style=3D"margin-top: 0px; =
margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><SPAN =
class=3D"Apple-converted-space">=A0</SPAN>7<SPAN =
class=3D"Apple-converted-space">=A0 =
</SPAN>ge-11-0.core2.Chicago1.Level3.net (4.68.101.37)</DIV><DIV =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px; ">254.145 ms</DIV><DIV style=3D"margin-top: 0px; =
margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><SPAN =
class=3D"Apple-converted-space">=A0 =A0 =
</SPAN>ge-11-1.core2.Chicago1.Level3.net (4.68.101.101)</DIV><DIV =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px; ">258.522 ms</DIV><DIV style=3D"margin-top: 0px; =
margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><SPAN =
class=3D"Apple-converted-space">=A0 =A0 =
</SPAN>ge-11-2.core2.Chicago1.Level3.net (4.68.101.165)</DIV><DIV =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px; ">227.223 ms</DIV><DIV style=3D"margin-top: 0px; =
margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><SPAN =
class=3D"Apple-converted-space">=A0</SPAN>8<SPAN =
class=3D"Apple-converted-space">=A0 =
</SPAN>broadwing-level3-oc12.Chicago1.Level3.net</DIV><DIV =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px; ">(209.0.225.10)<SPAN class=3D"Apple-converted-space">=A0=
</SPAN>231.451 ms</DIV><DIV style=3D"margin-top: 0px; margin-right: =
0px; margin-bottom: 0px; margin-left: 0px; "><SPAN =
class=3D"Apple-converted-space">=A0</SPAN>9<SPAN =
class=3D"Apple-converted-space">=A0 =
</SPAN>so-1-1-0.c1.gnwd.broadwing.net (216.140.15.1)<SPAN =
class=3D"Apple-converted-space">=A0 </SPAN>53.269 ms<SPAN =
class=3D"Apple-converted-space">=A0 </SPAN>35.568 ms</DIV><DIV =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px; ">22.511 ms</DIV><DIV style=3D"margin-top: 0px; =
margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">10<SPAN =
class=3D"Apple-converted-space">=A0 </SPAN>216.140.14.17 =
(216.140.14.17)<SPAN class=3D"Apple-converted-space">=A0 </SPAN>34.751 =
ms<SPAN class=3D"Apple-converted-space">=A0 </SPAN>39.008 ms<SPAN =
class=3D"Apple-converted-space">=A0 </SPAN>46.644 ms</DIV><DIV =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px; ">11<SPAN class=3D"Apple-converted-space">=A0 =
</SPAN>p5-0-0.e0.cncn.broadwing.net (216.140.15.78)<SPAN =
class=3D"Apple-converted-space">=A0 </SPAN>32.065 ms<SPAN =
class=3D"Apple-converted-space">=A0 </SPAN>60.797 ms</DIV><DIV =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px; ">54.766 ms</DIV><DIV style=3D"margin-top: 0px; =
margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">12<SPAN =
class=3D"Apple-converted-space">=A0 </SPAN>67.98.17.122 =
(67.98.17.122)<SPAN class=3D"Apple-converted-space">=A0 </SPAN>44.772 =
ms<SPAN class=3D"Apple-converted-space">=A0 </SPAN>27.631 ms<SPAN =
class=3D"Apple-converted-space">=A0 </SPAN>30.655 ms</DIV><DIV =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px; ">13<SPAN class=3D"Apple-converted-space">=A0 </SPAN>* =
* *</DIV> </BLOCKQUOTE><DIV style=3D"margin-top: 0px; margin-right: 0px; =
margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px; ">Uhh, you do realize the end to end latency there (to =
hop 12, at least)</DIV><DIV style=3D"margin-top: 0px; margin-right: 0px; =
margin-bottom: 0px; margin-left: 0px; ">is ~30ms...not the 250ms+ you =
see on intermediate hops, right?</DIV> =
</BLOCKQUOTE></DIV><BR></BODY></HTML>=
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