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Re: Canadian mirror ftp3.nrc.ca - throughput issues



Simon Valiquette wrote:
>   Could you do another traceroute with my mirror?  For what I can see,
> your connection will probably avoid using Cogentco if possible.

# traceroute gulus.USherbrooke.ca

 3  EDTNABXMDR00.bb.telus.com (209.115.218.249)  0.571 ms  0.525 ms
0.558 ms
 4  edtnabkdgr01.bb.telus.com (205.233.111.140)  0.782 ms  0.640 ms
0.676 ms
 5  chcgildtgr00.bb.telus.com (154.11.11.34)  33.085 ms  32.993 ms
33.105 ms
 6  po5-0.core01.ord03.atlas.cogentco.com (154.54.10.237)  192.936 ms
88.120 ms  225.248 ms
 7  te3-1.ccr02.ord03.atlas.cogentco.com (154.54.3.238)  33.469 ms
33.312 ms  33.098 ms
 8  te3-4.mpd02.ord01.atlas.cogentco.com (154.54.25.69)  33.268 ms
vl3491.ccr02.ord01.atlas.cogentco.com (154.54.6.209)  33.309 ms
vl3499.mpd02.ord01.atlas.cogentco.com (154.54.5.9)  33.334 ms
 9  * * *
10  * * *
11  * * *
12  * * *
13  * * *
...

>   And also, could you do a wget of some big files to have an idea of the
> speed you get:
> 
> wget http://gulus.USherbrooke.ca/debian/dists/etch/Contents-i386.gz

  1.12M/s (basically full speed)

> wget http://ftp3.nrc.ca/debian/dists/etch/Contents-i386.gz

  40.97K/s


So, does not seem to be telus. And probably not cogent either... Maybe
NRC is shaping their traffic?


>   I won't be surprised if you also have a much slower connection to my
> mirror when using Telus instead of Allstream, but I expect that the
> number of hops will be much lower than the 15 you get from NRC.  That
> said, I am curious of the results.

I can't say much about that since I'm connected through Allstream via
DSL while the Telus link is 10MBps ethernet.

- Adam


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