Low Throughput to Daresbury Despite the Upgrade to a 1000Mb LinkJerrod D. Williams. Page created: June 11, 2003Central Computer Access | Computer Networking | Network Group | ICFA-NTF Monitoring |
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To/From CESNET (Czech republic Prague), transfers were okay. We measured: 165-172 Mbs from Prague (cesnet.cz) to DL 171-207 Mb/s from DL to Prague. With the usual fast response and finished in time interval ~ +0.5 sec. From nikhef.nl, we measured 214Mb/s.
4iepm@hercules:~>traceroute DEV04.HEPGRID.CLRC.AC.UK traceroute to DEV04.HEPGRID.CLRC.AC.UK (130.246.200.1), 30 hops max, 38 byte packets 1 rtr-gsr-test (134.79.243.1) 0.176 ms 0.140 ms 0.199 ms 2 rtr-dmz1-ger (134.79.135.15) 0.331 ms 0.271 ms 0.226 ms 3 slac-rt4.es.net (192.68.191.146) 0.354 ms 0.311 ms 0.346 ms 4 snv-pos-slac.es.net (134.55.209.1) 0.683 ms 0.696 ms 0.704 ms 5 chicr1-oc192-snvcr1.es.net (134.55.209.54) 48.998 ms 48.920 ms 48.901 ms 6 aoacr1-oc192-chicr1.es.net (134.55.209.58) 69.034 ms 68.969 ms 68.943 ms 7 esnet.ny1.ny.geant.net (62.40.103.213) 69.067 ms 68.971 ms 69.047 ms 8 ny.uk1.uk.geant.net (62.40.96.170) 136.608 ms 136.639 ms 136.615 ms 9 janet-gw.uk1.uk.geant.net (62.40.103.150) 136.728 ms 136.626 ms 136.613 ms 10 lond-scr3.ja.net (146.97.37.81) 136.736 ms 136.760 ms 136.618 ms 11 po6-0.read-scr.ja.net (146.97.33.13) 138.370 ms 138.378 ms 138.248 ms 12 po2-0.ral-bar.ja.net (146.97.35.158) 138.753 ms 138.788 ms 138.750 ms 13 146.97.40.74 (146.97.40.74) 139.233 ms 139.071 ms 139.081 ms 14 192.100.78.46 (192.100.78.46) 138.947 ms 138.999 ms 138.954 ms 15 192.100.78.46 (192.100.78.46) 138.952 ms 138.871 ms 140.131 ms 5iepm@hercules:~>traceroute rtlin1.dl.ac.uk traceroute to rtlin1.dl.ac.uk (193.62.119.20), 30 hops max, 38 byte packets 1 rtr-gsr-test (134.79.243.1) 0.229 ms 0.155 ms 0.129 ms 2 rtr-dmz1-ger (134.79.135.15) 0.310 ms 0.266 ms 0.338 ms 3 slac-rt4.es.net (192.68.191.146) 0.339 ms 0.266 ms 0.342 ms 4 snv-pos-slac.es.net (134.55.209.1) 0.689 ms 0.747 ms 0.693 ms 5 chicr1-oc192-snvcr1.es.net (134.55.209.54) 49.004 ms 48.939 ms 48.890 ms 6 aoacr1-oc192-chicr1.es.net (134.55.209.58) 68.951 ms 68.936 ms 68.941 ms 7 esnet.ny1.ny.geant.net (62.40.103.213) 69.060 ms 68.985 ms 69.006 ms 8 ny.uk1.uk.geant.net (62.40.96.170) 136.627 ms 136.728 ms 136.766 ms 9 janet-gw.uk1.uk.geant.net (62.40.103.150) 136.714 ms 136.722 ms 136.606 ms 10 lond-scr3.ja.net (146.97.37.81) 136.722 ms 136.679 ms 136.606 ms 11 po6-0.read-scr.ja.net (146.97.33.13) 138.376 ms 138.319 ms 138.379 ms 12 po3-0.warr-scr.ja.net (146.97.33.54) 142.246 ms 142.075 ms 142.478 ms 13 po1-0.manchester-bar.ja.net (146.97.35.166) 142.472 ms 142.432 ms 142.355 ms 14 gw-nnw.core.netnw.net.uk (146.97.40.202) 142.610 ms 142.558 ms 142.648 ms 15 gw-fw.dl.ac.uk (193.63.74.233) 143.407 ms 143.147 ms 143.180 ms 16 alan3.dl.ac.uk (193.63.74.129) 150.683 ms 143.722 ms 144.240 ms 17 rtlin1.dl.ac.uk (193.62.119.20) 143.756 ms 143.858 ms 143.773 ms 5iepm@hercules:~>traceroute iepm-bw.cesnet.cz traceroute to iepm-bw.cesnet.cz(195.113.187.2), 30 hops max, 38 byte packets 1 rtr-gsr-test (134.79.243.1) 0.235 ms 2 rtr-dmz1-ger (134.79.135.15) 0.349 ms 3 slac-rt4.es.net (192.68.191.146) 0.397 ms 4 snv-pos-slac.es.net (134.55.209.1) 0.749 ms 5 chicr1-oc192-snvcr1.es.net (134.55.209.54) 49.088 ms 6 aoacr1-oc192-chicr1.es.net (134.55.209.58) 69.040 ms 7 esnet.ny1.ny.geant.net (62.40.103.213) 69.049 ms 8 ny.uk1.uk.geant.net (62.40.96.170) 136.739 ms 9 uk.fr1.fr.geant.net (62.40.96.89) 144.040 ms 10 fr.de1.de.geant.net (62.40.96.49) 152.508 ms 11 de.cz1.cz.geant.net (62.40.96.37) 160.975 ms 12 cesnet-gw.cz1.cz.geant.net (62.40.103.30) 161.703 ms 13 r41prg-pos13-0-stm16.cesnet.cz (195.113.156.110) 236.223 ms . 30 *