Gentoo Archives: gentoo-mirrors

From: Corey Shields <cshields@g.o>
To: gentoo-mirrors@l.g.o
Subject: Re: [gentoo-mirrors] Problems whith bandwidth
Date: Sat, 13 Nov 2004 15:53:55
Message-Id: 41962E5E.9080202@gentoo.org
In Reply to: Re: [gentoo-mirrors] Problems whith bandwidth by Francisco Javier Lloreda Sanchez
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4 Francisco Javier Lloreda Sanchez wrote:
5
6 | Sure, here are our tracepath to rsync.osuosl.org:
7 |
8 | linuv root # tracepath rsync.osuosl.org 1: linuv.informat.uv.es
9 | (147.156.17.151) 0.183ms pmtu 1500 1:
10 | farsoro.red.uv.es (147.156.16.1) 1.477ms 2:
11 | neveral3.red.uv.es (147.156.201.6) 0.823ms 3:
12 | AT0-2-0-0.EB-Valencia0.red.rediris.es (130.206.211.181) asymm 4
13 | 0.915ms 4: VAL.SO3-0-0.EB-IRIS4.red.rediris.es (130.206.240.13)
14 | asymm 5 6.647ms 5: rediris.es1.es.geant.net (62.40.103.61)
15 | asymm 6 6.946ms 6: es.it1.it.geant.net (62.40.96.186)
16 | asymm 7 29.354ms 7: it.de2.de.geant.net (62.40.96.61)
17 | asymm 8 38.472ms 8: abilene-gw.de2.de.geant.net (62.40.103.254)
18 | asymm 9 132.083ms 9: nycmng-washng.abilene.ucaid.edu
19 | (198.32.8.84) asymm 10 152.019ms 10:
20 | chinng-nycmng.abilene.ucaid.edu (198.32.8.82) asymm 11
21 | 151.865ms 11: iplsng-chinng.abilene.ucaid.edu (198.32.8.77)
22 | asymm 12 155.185ms 12: kscyng-iplsng.abilene.ucaid.edu
23 | (198.32.8.81) asymm 13 164.411ms 13:
24 | dnvrng-kscyng.abilene.ucaid.edu (198.32.8.13) asymm 14
25 | 179.089ms 14: snvang-dnvrng.abilene.ucaid.edu (198.32.8.1)
26 | asymm 15 199.791ms 15: pos-1-0.core0.eug.oregon-gigapop.net
27 | (198.32.163.17) 211.960ms 16: nero.eug.oregon-gigapop.net
28 | (198.32.163.151) asymm 18 212.290ms 17:
29 | eugn-core1-gw.nero.net (207.98.64.168) asymm 19
30 | 212.524ms 18: corv-car1-gw.nero.net (207.98.64.6)
31 | asymm 20 214.216ms 19: rsync.osuosl.org (140.211.166.135)
32 | asymm 20 216.091ms reached Resume: pmtu 1500 hops 19 back 20
33
34 This looks like it is a bottleneck across the pond.. I'm seeing the
35 same bottleneck when I trace back via a different site on Internet2.
36
37 Last I knew, GEANT had multiple 10 gige to new york (via the
38 Netherlands), and that is where it peers Abilene. The link is not
39 saturated by any means[1], and GEANT looks to be fine as well[2]. If
40 the problem persists I can talk to some people in Abilene on Monday.
41 Most of them are still at the SC04 conference tearing down the network
42 there this weekend.
43
44 Cheers,
45
46 - -Corey
47
48 [1] -
49 http://stryper.uits.iu.edu/abilene/summary.cgi?network=nycm-geant-newyork&data=bits
50 [2] - http://stats.geant.net/usagemap/usagemap
51
52 - --
53 Corey Shields
54 Gentoo Linux Infrastructure Team and Devrel Team
55 Gentoo Foundation Board of Trustees
56 http://www.gentoo.org/~cshields
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66
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