Mailinglist Archive: mirror (76 mails)

< Previous Next >
Re: [suse-mirror] Blogging about 11.3 launch - THANKS!
On Sun, Jul 25, 2010 at 07:32:54PM +0200, Keld Simonsen wrote:
On Sun, Jul 25, 2010 at 05:46:29PM +0200, Carsten Otto wrote:
On Sat, Jul 24, 2010 at 10:46:48AM +0200, Keld Simonsen wrote:
My link for the testing machine running the BT client is 1 Gbit/s.
So it should not be the bottleneck.

1 GBit/sec is not the universal answer. I guess your international
routing is not well-equipped.

I don't know how well equipped things are here, I am not in charge of
routing. Anyway I would expect it to be quite standard, they run a 10 Gbit
backbone at the university campus, and they are hosting the national internet
exchange, where they then also have a number of international lines.
Are you talking about international connection bandwidth?

You should not judge other servers or
protocols if you can't manage to download _anything_ from _some_ server
located in the same country or region with the speed you want.

Well, I am not trying to blame anybody. I am just puzzled over some things.
And then I am asking people on this list as I think they are quite
knowledgeable in what is going on.

I do get fine speeds from other servers in Denmark, say 200 - 300 Mbit/s.

I am still puzzled.

I did a traceroute

traceroute to ftp.halifax.rwth-aachen.de (137.226.34.42), 30 hops max, 40 byte
packets
1 192.38.78.161 (192.38.78.161) 0.462 ms 0.475 ms 0.526 ms
2 10g-dtu.ly0.core.fsknet.dk (130.225.166.241) 0.321 ms 0.352 ms 0.367 ms
3 dk-uni.nordu.net (109.105.102.37) 0.280 ms 0.296 ms 0.306 ms
4 dk-ore.nordu.net (109.105.97.13) 0.755 ms 0.778 ms 0.746 ms
5 nordunet.rt2.cop.dk.geant2.net (62.40.124.45) 0.900 ms 0.880 ms 0.878 ms
6 so-7-3-0.rt1.fra.de.geant2.net (62.40.112.49) 14.999 ms 15.014 ms 15.030
ms
7 dfn-gw.rt1.fra.de.geant2.net (62.40.124.34) 16.398 ms 16.409 ms 16.378 ms
8 xr-aac1-te2-2.x-win.dfn.de (188.1.144.109) 19.106 ms 19.236 ms 19.324 ms
9 kr-rwth-aachen.x-win.dfn.de (188.1.43.110) 19.757 ms 19.719 ms 19.736 ms
10 pfo-stone-2.noc.RWTH-Aachen.DE (134.130.9.234) 19.105 ms 19.013 ms
18.969 ms
11 n7k-lssnord-1.noc.RWTH-Aachen.DE (134.130.9.252) 19.519 ms 19.360 ms
19.314 ms
12 n6k-rz-1.noc.RWTH-Aachen.DE (137.226.118.50) 21.749 ms 21.716 ms 21.721
ms
13 ftp.halifax.RWTH-Aachen.DE (137.226.34.42) 19.251 ms 19.215 ms 19.182 ms

So apart from the 2 first links, which are only 1 gigabit, the rest should be
10 gigabit.
This is geant2 http://www.geant2.net/server/show/nav.941 - and a direct
international
link Copenhagen - Frankfurt of 10 gigabit is used. How can this be a bottleneck?

Best regards
Keld
--
To unsubscribe, e-mail: mirror+unsubscribe@xxxxxxxxxxxx
For additional commands, e-mail: mirror+help@xxxxxxxxxxxx

< Previous Next >
List Navigation