[root@dct00 ~]# tracepath atlas-g01.bu.edu 1: dct00.usatlas.bnl.gov (192.12.15.8) 0.146ms pmtu 1500 1: hsrp.usatlas.bnl.gov (192.12.15.24) 0.550ms 2: bnlmr1-bnlsite.es.net (198.124.216.177) 178.975ms 3: aoacr1-bnlmr1.es.net (134.55.217.58) asymm 4 2.597ms 4: 198.124.216.158 (198.124.216.158) asymm 5 2.958ms 5: nox300gw1-Vl-110-NoX-INTERNET2.nox.org (192.5.89.221) 7.651ms 6: nox300gw1-PEER-NoX-BU-192-5-89-142.nox.org (192.5.89.142) 9.203ms
[root@dct00 ~]# iperf -s -w 4MB -i 5 ------------------------------------------------------------ Server listening on TCP port 5001 TCP window size: 8.00 MByte (WARNING: requested 4.00 MByte) ------------------------------------------------------------ [ 4] local 192.12.15.8 port 5001 connected with 192.5.207.95 port 32995 [ 4] 0.0- 5.0 sec 66.0 MBytes 111 Mbits/sec [ 4] 5.0-10.0 sec 49.4 MBytes 82.9 Mbits/sec [ 4] 10.0-15.0 sec 64.0 MBytes 107 Mbits/sec [ 4] 15.0-20.0 sec 74.4 MBytes 125 Mbits/sec [ 4] 20.0-25.0 sec 58.5 MBytes 98.2 Mbits/sec [ 4] 25.0-30.0 sec 45.6 MBytes 76.6 Mbits/sec [ 4] 30.0-35.0 sec 73.2 MBytes 123 Mbits/sec [ 4] 35.0-40.0 sec 66.2 MBytes 111 Mbits/sec [ 4] 40.0-45.0 sec 64.3 MBytes 108 Mbits/sec [ 4] 45.0-50.0 sec 70.1 MBytes 118 Mbits/sec [ 4] 50.0-55.0 sec 50.7 MBytes 85.1 Mbits/sec [ 4] 55.0-60.0 sec 70.2 MBytes 118 Mbits/sec [ 4] 0.0-60.0 sec 753 MBytes 105 Mbits/sec
The test from atlas.bu.edu to BNL [root@dct00 ~]# iperf -s -w 4MB -i 5 [ 4] local 192.12.15.8 port 5001 connected with 192.5.207.10 port 47685 [ 4] 0.0- 5.0 sec 34.4 MBytes 57.6 Mbits/sec [ 4] 5.0-10.0 sec 39.6 MBytes 66.4 Mbits/sec [ 4] 10.0-15.0 sec 32.7 MBytes 54.8 Mbits/sec [ 4] 15.0-20.0 sec 37.1 MBytes 62.2 Mbits/sec [ 4] 20.0-25.0 sec 59.9 MBytes 100 Mbits/sec [ 4] 25.0-30.0 sec 41.2 MBytes 69.0 Mbits/sec [ 4] 30.0-35.0 sec 49.2 MBytes 82.6 Mbits/sec [ 4] 35.0-40.0 sec 47.6 MBytes 79.9 Mbits/sec [ 4] 40.0-45.0 sec 39.8 MBytes 66.7 Mbits/sec [ 4] 45.0-50.0 sec 37.3 MBytes 62.5 Mbits/sec [ 4] 50.0-55.0 sec 34.6 MBytes 58.0 Mbits/sec [ 4] 55.0-60.0 sec 40.3 MBytes 67.6 Mbits/sec [ 4] 0.0-60.0 sec 494 MBytes 69.0 Mbits/sec
The test from BNL to BU site: [root@dct00 ~]# iperf -c atlas-g01.bu.edu -w 4M -t 60 -i 5 ------------------------------------------------------------ Client connecting to atlas-g01.bu.edu, TCP port 5001 TCP window size: 8.00 MByte (WARNING: requested 4.00 MByte) ------------------------------------------------------------ [ 3] local 192.12.15.8 port 57664 connected with 192.5.207.95 port 5001 [ 3] 0.0- 5.0 sec 46.8 MBytes 78.4 Mbits/sec [ 3] 5.0-10.0 sec 38.3 MBytes 64.2 Mbits/sec [ 3] 10.0-15.0 sec 35.8 MBytes 60.0 Mbits/sec [ 3] 15.0-20.0 sec 35.8 MBytes 60.0 Mbits/sec [ 3] 20.0-25.0 sec 33.3 MBytes 55.8 Mbits/sec [ 3] 25.0-30.0 sec 33.1 MBytes 55.6 Mbits/sec [ 3] 30.0-35.0 sec 35.7 MBytes 59.9 Mbits/sec [ 3] 35.0-40.0 sec 35.8 MBytes 60.0 Mbits/sec [ 3] 40.0-45.0 sec 35.8 MBytes 60.1 Mbits/sec [ 3] 45.0-50.0 sec 38.4 MBytes 64.4 Mbits/sec [ 3] 50.0-55.0 sec 33.3 MBytes 55.9 Mbits/sec [ 3] 55.0-60.0 sec 33.2 MBytes 55.7 Mbits/sec [ 3] 0.0-60.6 sec 435 MBytes 60.3 Mbits/secAfter we tuned the network setting, the results of iperf transfer from BU to BU is shown as follows:
[root@dct00 ~]# iperf -s -w 4MB -i 5 ------------------------------------------------------------ Server listening on TCP port 5001 TCP window size: 8.00 MByte (WARNING: requested 4.00 MByte) ------------------------------------------------------------ [ 4] local 192.12.15.8 port 5001 connected with 192.5.207.95 port 33040 [ 4] 0.0- 5.0 sec 37.9 MBytes 63.6 Mbits/sec [ 4] 5.0-10.0 sec 26.7 MBytes 44.7 Mbits/sec [ 4] 10.0-15.0 sec 24.2 MBytes 40.6 Mbits/sec [ 4] 15.0-20.0 sec 26.8 MBytes 45.0 Mbits/sec [ 4] 20.0-25.0 sec 29.5 MBytes 49.5 Mbits/sec [ 4] 25.0-30.0 sec 16.3 MBytes 27.3 Mbits/sec [ 4] 30.0-35.0 sec 29.3 MBytes 49.2 Mbits/sec [ 4] 35.0-40.0 sec 21.1 MBytes 35.4 Mbits/sec [ 4] 40.0-45.0 sec 25.6 MBytes 42.9 Mbits/sec [ 4] 45.0-50.0 sec 25.7 MBytes 43.2 Mbits/sec [ 4] 50.0-55.0 sec 21.6 MBytes 36.3 Mbits/sec [ 4] 55.0-60.0 sec 21.6 MBytes 36.2 Mbits/sec [ 4] 0.0-61.0 sec 311 MBytes 42.8 Mbits/sec [ 4] local 192.12.15.8 port 5001 connected with 192.5.207.95 port 3 [root@dct00 ~]# iperf -c atlas-g01.bu.edu -w 4MB -t 60 -i 5 ------------------------------------------------------------ Client connecting to atlas-g01.bu.edu, TCP port 5001 TCP window size: 8.00 MByte (WARNING: requested 4.00 MByte) ------------------------------------------------------------ [ 3] local 192.12.15.8 port 57665 connected with 192.5.207.95 port 5001 [ 3] 0.0- 5.0 sec 561 MBytes 941 Mbits/sec [ 3] 5.0-10.0 sec 561 MBytes 940 Mbits/sec [ 3] 10.0-15.0 sec 563 MBytes 945 Mbits/sec [ 3] 15.0-20.0 sec 560 MBytes 940 Mbits/sec [ 3] 20.0-25.0 sec 560 MBytes 940 Mbits/sec [ 3] 25.0-30.0 sec 515 MBytes 864 Mbits/sec [ 3] 30.0-35.0 sec 561 MBytes 941 Mbits/sec [ 3] 35.0-40.0 sec 562 MBytes 942 Mbits/sec [ 3] 40.0-45.0 sec 562 MBytes 943 Mbits/sec [ 3] 45.0-50.0 sec 560 MBytes 940 Mbits/sec [ 3] 50.0-55.0 sec 521 MBytes 874 Mbits/sec [ 3] 55.0-60.0 sec 561 MBytes 941 Mbits/sec [ 3] 0.0-60.0 sec 6.49 GBytes 929 Mbits/sec Since there is a symmetrical performance between data from BU to BNL and from BNL to BU. There is a wire speed from BNL to BU. But the performance is really bad from BU to BNL. We used the UDP test from BU to BNL: [root@dct00 ~]# iperf -s -u -w 4MB -i 5 ------------------------------------------------------------ Server listening on UDP port 5001 Receiving 1470 byte datagrams UDP buffer size: 8.00 MByte (WARNING: requested 4.00 MByte) ------------------------------------------------------------ [ 3] local 192.12.15.8 port 5001 connected with 192.5.207.95 port 32775 [ 3] 0.0- 5.0 sec 568 MBytes 952 Mbits/sec 0.015 ms 10138/414972 (2.4%) [ 3] 5.0-10.0 sec 567 MBytes 952 Mbits/sec 0.015 ms 11481/416274 (2.8%) [ 3] 10.0-15.0 sec 567 MBytes 952 Mbits/sec 0.015 ms 11653/416393 (2.8%) [ 3] 15.0-20.0 sec 567 MBytes 952 Mbits/sec 0.014 ms 11681/416426 (2.8%) [ 3] 20.0-25.0 sec 567 MBytes 952 Mbits/sec 0.016 ms 11843/416505 (2.8%) [ 3] 20.0-25.0 sec 1 datagrams received out-of-order [ 3] 25.0-30.0 sec 567 MBytes 952 Mbits/sec 0.017 ms 11704/416460 (2.8%) [ 3] 30.0-35.0 sec 567 MBytes 952 Mbits/sec 0.014 ms 11773/416393 (2.8%) [ 3] 35.0-40.0 sec 567 MBytes 952 Mbits/sec 0.016 ms 11752/416426 (2.8%) [ 3] 40.0-45.0 sec 567 MBytes 952 Mbits/sec 0.018 ms 11842/416511 (2.8%) [ 3] 45.0-50.0 sec 567 MBytes 952 Mbits/sec 0.015 ms 11892/416496 (2.9%) [ 3] 50.0-55.0 sec 567 MBytes 952 Mbits/sec 0.014 ms 11688/416375 (2.8%) [ 3] 55.0-60.0 sec 567 MBytes 952 Mbits/sec 0.014 ms 11736/416420 (2.8%) [ 3] 0.0-60.0 sec 6.65 GBytes 952 Mbits/sec 0.019 ms 139219/4996904 (2.8% [ 3] 0.0-60.0 sec 2 datagrams received out-of-order [ 4] local 192.12.15.8 port 5001 connected with 192.5.207.95 port 32776 [ 4] 0.0- 5.0 sec 303 MBytes 508 Mbits/sec 0.031 ms 1238/217390 (0.57%) [ 4] 5.0-10.0 sec 303 MBytes 508 Mbits/sec 0.030 ms 1346/217395 (0.62%) [ 4] 10.0-15.0 sec 303 MBytes 508 Mbits/sec 0.031 ms 1255/217389 (0.58%) [ 4] 15.0-20.0 sec 303 MBytes 508 Mbits/sec 0.031 ms 1294/217390 (0.6%) [ 4] 15.0-20.0 sec 1 datagrams received out-of-order [ 4] 20.0-25.0 sec 303 MBytes 508 Mbits/sec 0.032 ms 1300/217392 (0.6%) [ 4] 25.0-30.0 sec 303 MBytes 508 Mbits/sec 0.030 ms 1334/217393 (0.61%) [ 4] 30.0-35.0 sec 303 MBytes 508 Mbits/sec 0.031 ms 1320/217389 (0.61%) [ 4] 35.0-40.0 sec 303 MBytes 508 Mbits/sec 0.030 ms 1423/217390 (0.65%) [ 4] 40.0-45.0 sec 303 MBytes 508 Mbits/sec 0.032 ms 1386/217396 (0.64%) [ 4] 45.0-50.0 sec 303 MBytes 508 Mbits/sec 0.030 ms 1408/217390 (0.65%) [ 4] 50.0-55.0 sec 303 MBytes 508 Mbits/sec 0.030 ms 1368/217389 (0.63%) [ 4] 0.0-60.0 sec 3.55 GBytes 508 Mbits/sec 0.032 ms 16036/2608695 (0.61% ) [ 4] 0.0-60.0 sec 2 datagrams received out-of-order We run the UDP test from BNL to BU: the direction seems clean: [root@dct00 ~]# iperf -c atlas-g01.bu.edu -u -b 500m -t 60 -i 5 ------------------------------------------------------------ Client connecting to atlas-g01.bu.edu, UDP port 5001 Sending 1470 byte datagrams UDP buffer size: 108 KByte (default) ------------------------------------------------------------ [ 3] local 192.12.15.8 port 41169 connected with 192.5.207.95 port 5001 [ 3] 0.0- 5.0 sec 305 MBytes 511 Mbits/sec [ 3] 5.0-10.0 sec 305 MBytes 511 Mbits/sec [ 3] 10.0-15.0 sec 305 MBytes 511 Mbits/sec [ 3] 15.0-20.0 sec 305 MBytes 511 Mbits/sec [ 3] 20.0-25.0 sec 305 MBytes 511 Mbits/sec [ 3] 25.0-30.0 sec 305 MBytes 511 Mbits/sec [ 3] 30.0-35.0 sec 305 MBytes 511 Mbits/sec [ 3] 35.0-40.0 sec 305 MBytes 511 Mbits/sec [ 3] 40.0-45.0 sec 305 MBytes 511 Mbits/sec [ 3] 45.0-50.0 sec 305 MBytes 511 Mbits/sec [ 3] 50.0-55.0 sec 305 MBytes 511 Mbits/sec [ 3] 55.0-60.0 sec 305 MBytes 511 Mbits/sec [ 3] 0.0-60.0 sec 3.57 GBytes 511 Mbits/sec [ 3] Sent 2608696 datagrams [ 3] Server Report: [ 3] 0.0-60.0 sec 3.57 GBytes 511 Mbits/sec 0.009 ms 0/2608695 (0%) [ 3] 0.0-60.0 sec 1 datagrams received out-of-order [root@dct00 ~]# iperf -c atlas-g01.bu.edu -u -b 940m -t 60 -i 5 ------------------------------------------------------------ Client connecting to atlas-g01.bu.edu, UDP port 5001 Sending 1470 byte datagrams UDP buffer size: 108 KByte (default) ------------------------------------------------------------ [ 3] local 192.12.15.8 port 41169 connected with 192.5.207.95 port 5001 [ 3] 0.0- 5.0 sec 570 MBytes 957 Mbits/sec [ 3] 5.0-10.0 sec 570 MBytes 957 Mbits/sec [ 3] 10.0-15.0 sec 570 MBytes 957 Mbits/sec [ 3] 15.0-20.0 sec 570 MBytes 957 Mbits/sec [ 3] 20.0-25.0 sec 570 MBytes 957 Mbits/sec [ 3] 25.0-30.0 sec 570 MBytes 957 Mbits/sec [ 3] 30.0-35.0 sec 570 MBytes 957 Mbits/sec [ 3] 35.0-40.0 sec 570 MBytes 957 Mbits/sec [ 3] 40.0-45.0 sec 570 MBytes 957 Mbits/sec [ 3] 45.0-50.0 sec 570 MBytes 957 Mbits/sec [ 3] 50.0-55.0 sec 570 MBytes 957 Mbits/sec [ 3] 55.0-60.0 sec 570 MBytes 957 Mbits/sec [ 3] 0.0-60.0 sec 6.69 GBytes 957 Mbits/sec [ 3] Sent 4882984 datagrams [ 3] Server Report: [ 3] 0.0-60.0 sec 6.69 GBytes 957 Mbits/sec 0.035 ms 14/4882983 (0.00029%) [ 3] 0.0-60.0 sec 3 datagrams received out-of-order-- DantongYu - 30 Oct 2007
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