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espaeth
Digital Plumber
Premium,MVM
join:2001-04-21
Minneapolis, MN
kudos:2
Reviews:
·Clear Wireless

Discounted price for partial access

Interesting Cogent would take the discount route instead of improving their network, but they did lose a good chunk of customers after the recent Telia depeering. Given that they've been depeered a few times in the past, with Level(3) and Telia being the most recent I would be hesitant to sign a 3 year agreement with them even if they were used as only one of several upstream providers.

Latency performance with Cogent isn't always ideal either as they are missing large sections of mid-continental routing. Want to go from Chicago to Jacksonville? They don't have a link between Chicago and Atlanta like most carriers; instead you get to take the path all the way up through Boston and then back down the coast.

traceroute to www.colo4jax.com (38.113.65.18), 30 hops max, 40 byte packets
 1  69.65.40.62 (69.65.40.62)  0.356 ms  0.351 ms  0.810 ms
 2  so2-0-0-0.er1.Chi1.Servernap.net (69.39.239.169)  1.515 ms  2.012 ms  2.010 ms
 3  gi0-8.na21.b000359-1.ord01.atlas.cogentco.com (66.28.21.17)  2.006 ms  2.506 ms  2.503 ms
 4  gi0-7.3574.core01.ord01.atlas.cogentco.com (38.112.38.45)  2.484 ms  2.484 ms  2.482 ms
 5  po14-0.core01.alb02.atlas.cogentco.com (154.54.1.57)  19.780 ms  19.778 ms *
 6  po14-0.core01.bos01.atlas.cogentco.com (66.28.4.109)  22.722 ms  22.734 ms  22.722 ms
 7  po0-0.core02.jfk02.atlas.cogentco.com (154.54.7.78)  27.869 ms  28.081 ms  28.065 ms
 8  po13-0.core01.phl01.atlas.cogentco.com (66.28.4.2)  30.116 ms  30.259 ms  30.250 ms
 9  po5-0.core01.dca01.atlas.cogentco.com (66.28.4.17)  33.856 ms  33.857 ms  33.848 ms
10  po10-0.core01.atl01.atlas.cogentco.com (154.54.7.153)  46.148 ms  46.252 ms  46.241 ms
11  po6-0.core01.jax01.atlas.cogentco.com (154.54.3.198)  52.655 ms  52.684 ms  53.157 ms
12  vl3501.na21.b005947-0.jax01.atlas.cogentco.com (38.112.34.230)  52.651 ms  53.149 ms  53.144 ms
13  Tical_Network_Solutions.dmarc.cogentco.com (66.28.230.34)  52.643 ms  53.125 ms  53.126 ms
14  shellx.tical.net (38.113.65.18)  52.602 ms  52.605 ms  52.602 ms
 


Dogfather
Premium
join:2007-12-26
Laguna Hills, CA

You get what you pay for I suppose.



53059959
Temp banned from BBR more then anyone

join:2002-10-02
PwnZone

reply to espaeth
thats not unusual latency.

most providers go chicago -> dallas or chicago -> new york city.

Only a select few providers don't go from atlanta -> nyc or dallas.


jrowley

join:2006-09-06
Mauldin, SC

reply to espaeth
Would you be happier if they just did what other carriers do and enable 'no mpls ip propagate-ttl' or the equivalent vendor command? Voila. Looks like direct connectivity to you.

Hops != bad connectivity.



Jerm

join:2000-04-10
Richland, WA
kudos:2

reply to espaeth
Poor geographic routing choices isn't limited to Cogent. If you use Verizon in my area 50% of the time to get to a Seattle based site you go down to Cali then back up (seattle-sfo-seattle).



espaeth
Digital Plumber
Premium,MVM
join:2001-04-21
Minneapolis, MN
kudos:2
Reviews:
·Clear Wireless

reply to jrowley

said by jrowley:

Hops != bad connectivity.
I didn't say anything at all about hops, I said they had less than ideal physical pathways in some area.

Compare it to another facility that is connected to Level(3) in Tampa (even further south than Jacksonville) and round trip latency is about 10ms less than Cogent because Chicago and Atlanta are directly connected. Whether that 10ms breaks things for you or not depends entirely on your application.

traceroute to www.sagonet.com (65.110.32.145), 30 hops max, 40 byte packets
 1  69.65.40.62 (69.65.40.62)  0.710 ms  0.691 ms  0.690 ms
 2  so2-0-0-0.er1.Chi1.Servernap.net (69.39.239.169)  1.752 ms  1.752 ms  1.749 ms
 3  ge-6-20.car1.Chicago1.Level3.net (4.79.65.49)  14.968 ms  14.967 ms  14.966 ms
 4  ae-32-56.ebr2.Chicago1.Level3.net (4.68.101.190)  13.589 ms  13.597 ms  13.595 ms
 5  ae-3.ebr2.Atlanta2.Level3.net (4.69.132.74)  34.223 ms  34.235 ms  34.233 ms
 6  ae-12-51.car2.Atlanta1.Level3.net (4.68.103.3)  137.050 ms  112.702 ms  112.688 ms
 7  WBS-CONNECT.car2.Atlanta1.Level3.net (4.78.211.54)  35.994 ms  35.773 ms  36.244 ms
 8  ve40.core01a.tpa.sagonet.net (63.246.159.41)  44.334 ms  44.329 ms  44.324 ms
 9  gige1.as01.dist.nms.tpa.sagonet.net (65.110.32.31)  43.799 ms Gige2.as01.dist.nms.tpa.sagonet.net (65.110.32.79)  44.795 ms  45.315 ms
10  www.sagonet.com (65.110.32.145)  44.422 ms  44.351 ms  44.335 ms
 


espaeth
Digital Plumber
Premium,MVM
join:2001-04-21
Minneapolis, MN
kudos:2
Reviews:
·Clear Wireless

reply to 53059959

said by 53059959:

Only a select few providers don't go from atlanta -> nyc or dallas.
I don't know if it's necessarily that few.

Global Crossing, Telia, Level(3), Sprint, Qwest, Verizon/UUNet and XO all have direct paths from ORD to ATL.

ATT & Savvis route via St Louis.


SLD
Premium
join:2002-04-17
San Francisco, CA

reply to espaeth
Just for kicks, I ran a trace from Houston to your facility in Jacksonville - a much different story:

 1  38.104.62.62 (38.104.62.62)  2.562 ms  2.699 ms  2.868 ms
 2  gi0-8.na21.b015437-0.iah02.atlas.cogentco.com (38.104.62.61)  0.639 ms  0.968 ms  1.264 ms
 3  gi5-0.3821.core01.iah02.atlas.cogentco.com (66.250.8.165)  0.507 ms  0.520 ms  0.524 ms
 4  gi1-7.core01.iah01.atlas.cogentco.com (66.28.4.113)  0.963 ms  0.969 ms  0.978 ms
 5  po15-0.core01.tpa01.atlas.cogentco.com (66.28.4.46)  20.963 ms  21.070 ms *
 6  po3-0.core01.jax01.atlas.cogentco.com (66.28.4.154)  25.943 ms  25.976 ms  26.068 ms
 7  vl3501.na21.b005947-0.jax01.atlas.cogentco.com (38.112.34.230)  26.085 ms  26.443 ms  26.624 ms
 8  Tical_Network_Solutions.dmarc.cogentco.com (66.28.230.34)  26.536 ms  26.644 ms  26.833 ms
 9  shellx.tical.net (38.113.65.18)  26.170 ms  26.418 ms  26.200 ms
 


53059959
Temp banned from BBR more then anyone

join:2002-10-02
PwnZone

reply to espaeth
it may say its a direct route on the network map, and the reverse dns may go from directly atl to chi but you'll notice most of the time the latency is roughly the same as if it were going through new york, because it is


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