[wplug] Verizon vs Comcast

[Aaron A. Maricic]

Agreed... from Comcast it goes over 3rox and never leaves Pittsburgh. 
Average of around 12ms ping to the math server. Also, if you're into 
IPv6, Comcast has that working natively as well (as long as you have a 
modem/router that supports it).

Tracing route to HUM.MATH.CMU.EDU [128.2.32.145]
over a maximum of 30 hops:

   1    <1 ms     1 ms    <1 ms  192.168.1.1
   2     *        *        *     Request timed out.
   3    14 ms     8 ms     9 ms 
te-0-0-0-2-sur01.southhills.pa.pitt.comcast.net [68.85.234.149]
   4    20 ms    14 ms    15 ms 
te-0-8-0-6-ar03.pittsburgh.pa.pitt.comcast.net [69.139.194.137]
   5    12 ms    13 ms     9 ms 
te-3-1-ur01.pittsburgh.pa.pitt.comcast.net [68.86.100.86]
   6    32 ms    13 ms    11 ms  68.86.100.146
   7    12 ms    12 ms     9 ms  rtr-acm.cmu.3rox.net [147.73.16.121]
   8    12 ms    15 ms    10 ms  CORE0-VL986.GW.CMU.NET [128.2.0.249]
   9    12 ms    11 ms    11 ms  128.2.0.156
  10    11 ms     9 ms    10 ms  HUM.MATH.CMU.EDU [128.2.32.145]

Trace complete.

Pinging 128.2.32.145 with 32 bytes of data:
Reply from 128.2.32.145: bytes=32 time=9ms TTL=55
Reply from 128.2.32.145: bytes=32 time=16ms TTL=55
Reply from 128.2.32.145: bytes=32 time=13ms TTL=55
Reply from 128.2.32.145: bytes=32 time=13ms TTL=55

Ping statistics for 128.2.32.145:
     Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
     Minimum = 9ms, Maximum = 16ms, Average = 12ms

On 2/11/2014 2:57 PM, Eric Cooper wrote:
> On Tue, Feb 11, 2014 at 09:59:17AM -0500, Florin Manolache wrote:
>> Some of our faculty is tunnelling the traffic through various other
>> universities, and that works fine because it gets to CMU through
>> Internet 2, so there are several workarounds in place.
>> However the main idea of my original message was to figure out if the
>> Comcast service poses less bandwidth problems so I can recommend the
>> switch to people having that choice.
>> various other universities
> Comcast's routing to CMU is much more direct, so it's likely to solve
> your current problem:
>
> traceroute to www.cmu.edu (128.2.42.52), 30 hops max, 60 byte packets
>   1  [my router]  0.232 ms  0.238 ms  0.256 ms
>   2  * * *
>   3  te-0-0-0-6-sur01.ross.pa.pitt.comcast.net (68.85.234.101)  11.327 ms  12.237 ms  12.273 ms
>   4  162-151-21-38-static.hfc.comcastbusiness.net (162.151.21.38)  13.343 ms te-0-8-0-1-ar03.pittsburgh.pa.pitt.comcast.net (69.139.194.97)  13.183 ms  13.225 ms
>   5  * * *
>   6  * 68.86.100.146 (68.86.100.146)  33.865 ms  34.783 ms
>   7  rtr-acm.cmu.3rox.net (147.73.16.121)  11.215 ms  7.896 ms  11.072 ms
>   8  CORE255-VL987.GW.CMU.NET (128.2.255.249)  11.980 ms  12.129 ms  11.011 ms
>   9  POD-D-CYH-VL960.GW.CMU.NET (128.2.255.205)  11.100 ms  11.038 ms  8.154 ms
> 10  WWW-CMU-PROD-VIP.ANDREW.CMU.EDU (128.2.42.52)  7.792 ms  11.819 ms  11.630 ms
>