[outages] Comcast packetloss/latency Chicago Il

Adam Rothschild asr at latency.net
Mon Dec 19 13:51:08 EST 2011


I'm going to guess they lost some capacity, as evidenced by these
round trip times between New York and Hartford:

  http://i.imgur.com/j80xE.png

and the lack of direct path taken here:

[...]
 6. vlan90.csw4.NewYork1.Level3.net                      0.0%   226
2.7   6.6   0.9  14.3   4.5
 7. ae-92-92.ebr2.NewYork1.Level3.net                    0.0%   226
1.5   1.8   1.1   2.6   0.3
 8. ae-6-6.ebr2.NewYork2.Level3.net                      0.0%   226
1.4   1.6   0.9  11.5   0.8
 9. ae-2-52.edge1.NewYork2.Level3.net                    0.0%   226
1.5   3.4   1.1  83.7   8.8
10. COMCAST-IP.edge1.NewYork2.Level3.net                 0.0%   226
5.3   5.2   2.5  21.7   2.4
11. pos-0-10-0-0-cr01.350ecermak.il.ibone.comcast.net    0.0%   226
23.7  24.2  21.6 110.7   5.9
12. pos-0-3-0-0-cr01.chicago.il.ibone.comcast.net        0.0%   226
21.2  21.3  20.7  22.3   0.3
13. pos-3-15-0-0-ar01.woburn.ma.boston.comcast.net       0.0%   226
52.2  52.3  51.4  53.5   0.3
14. pos-0-0-0-0-ar01.needham.ma.boston.comcast.net       0.0%   226
53.0  53.0  52.1  71.6   1.4
[...]

HTH,
-a



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