r10 - 06 Nov 2007 - 18:57:16 - DantongYuYou are here: TWiki >  Admins Web > BNL-OUNetworkTest

BNL-OUNetworkTest

Test Between BNL and University of Chicago.

Tuning on 21 Sep 2007

Network test between BNL and University of Chicago.


[root@dct00 ~]# ping tier2-02.ochep.ou.edu
PING tier2-02.ochep.ou.edu (129.15.40.251) 56(84) bytes of data.
64 bytes from tier2-02.ochep.ou.edu (129.15.40.251): icmp_seq=0 ttl=52 time=57.5 ms
64 bytes from tier2-02.ochep.ou.edu (129.15.40.251): icmp_seq=1 ttl=52 time=52.5 ms
64 bytes from tier2-02.ochep.ou.edu (129.15.40.251): icmp_seq=2 ttl=52 time=55.2 ms
64 bytes from tier2-02.ochep.ou.edu (129.15.40.251): icmp_seq=3 ttl=52 time=56.9 ms
64 bytes from tier2-02.ochep.ou.edu (129.15.40.251): icmp_seq=4 ttl=52 time=52.4 ms

[root@dct00 ~]# tracepath tier2-02.ochep.ou.edu
 1:  dct00.usatlas.bnl.gov (192.12.15.8)                    0.164ms pmtu 1500
 1:  hsrp.usatlas.bnl.gov (192.12.15.24)                    2.060ms 
 2:  bnlmr1-bnlsite.es.net (198.124.216.177)                2.072ms 
 3:  aoacr1-bnlmr1.es.net (134.55.217.58)                 asymm  4   4.111ms 
 4:  chiccr1-aofacr1.es.net (134.55.218.93)               asymm  5  30.003ms 
 5:  chislsdn1-chicr1.es.net (134.55.207.34)              asymm  6  31.105ms 
 6:  chislmr1-chislsdn1.es.net (134.55.219.81)             29.894ms 
 7:  star-esnet.abilene.iu.edu (198.125.140.230)          asymm  8 296.813ms 
 8:  so-4-3-0.0.rtr.kans.net.internet2.edu (64.57.28.36)  asymm  9  41.959ms 
 9:  ks-42-tenge4-1-110.r.greatplains.net (164.113.238.194)  40.699ms 
10:  164.113.238.210 (164.113.238.210)                    asymm  8  45.146ms 
11:  164.58.245.129 (164.58.245.129)                      asymm  9  45.150ms 
12:  164.58.244.173 (164.58.244.173)                      asymm 10  50.142ms 
13:  164.58.244.165 (164.58.244.165)                      asymm 10  51.622ms 
14:  164.58.244.166 (164.58.244.166)                      asymm 10  52.512ms 
15:  164.58.10.98 (164.58.10.98)                          asymm 11  52.654ms 
16:  no reply
17:  tier2-02.ochep.ou.edu (129.15.40.251)                asymm 13  54.048ms reached
     Resume: pmtu 1500 hops 17 back 13 

[root@dct00 ~]# iperf -s -w 4MB -i 4
------------------------------------------------------------
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 129.15.40.251 port 40103
[  4]  0.0- 4.0 sec  36.2 MBytes  75.9 Mbits/sec
[  4]  4.0- 8.0 sec  53.5 MBytes    112 Mbits/sec
[  4]  8.0-12.0 sec  31.0 MBytes  65.0 Mbits/sec
[  4] 12.0-16.0 sec  38.3 MBytes  80.4 Mbits/sec
[  4] 16.0-20.0 sec  39.6 MBytes  83.0 Mbits/sec
[  4] 20.0-24.0 sec  33.1 MBytes  69.3 Mbits/sec
[  4] 24.0-28.0 sec  39.7 MBytes  83.3 Mbits/sec
[  4] 28.0-32.0 sec  40.3 MBytes  84.5 Mbits/sec
[  4] 32.0-36.0 sec  53.6 MBytes    112 Mbits/sec
[  4] 36.0-40.0 sec  50.5 MBytes    106 Mbits/sec
[  4] 40.0-44.0 sec  41.2 MBytes  86.5 Mbits/sec
[  4] 44.0-48.0 sec  48.8 MBytes    102 Mbits/sec
[  4] 48.0-52.0 sec  45.8 MBytes  95.9 Mbits/sec
[  4] 52.0-56.0 sec  48.5 MBytes    102 Mbits/sec
[  4] 56.0-60.0 sec  45.7 MBytes  95.9 Mbits/sec
[  4]  0.0-60.1 sec    646 MBytes  90.3 Mbits/sec

[root@dct00 ~]# iperf -c tier2-02.ochep.ou.edu -w 4MB -t 60 -i 4 -p 64000
------------------------------------------------------------
Client connecting to tier2-02.ochep.ou.edu, TCP port 64000
TCP window size: 8.00 MByte (WARNING: requested 4.00 MByte)
------------------------------------------------------------
[  3] local 192.12.15.8 port 58818 connected with 129.15.40.251 port 64000
[  3]  0.0- 4.0 sec  18.7 MBytes  39.3 Mbits/sec
[  3]  4.0- 8.0 sec  15.9 MBytes  33.4 Mbits/sec
[  3]  8.0-12.0 sec  56.4 MBytes    118 Mbits/sec
[  3] 12.0-16.0 sec  58.5 MBytes    123 Mbits/sec
[  3] 16.0-20.0 sec  48.4 MBytes    102 Mbits/sec
[  3] 20.0-24.0 sec  44.1 MBytes  92.4 Mbits/sec
[  3] 24.0-28.0 sec  50.4 MBytes    106 Mbits/sec
[  3] 28.0-32.0 sec  52.3 MBytes    110 Mbits/sec
[  3] 32.0-36.0 sec  38.3 MBytes  80.3 Mbits/sec
[  3] 36.0-40.0 sec  6.03 MBytes  12.6 Mbits/sec
[  3] 40.0-44.0 sec  24.2 MBytes  50.7 Mbits/sec
[  3] 44.0-48.0 sec  58.3 MBytes    122 Mbits/sec
[  3] 48.0-52.0 sec  56.6 MBytes    119 Mbits/sec
[  3] 52.0-56.0 sec  50.6 MBytes    106 Mbits/sec
[  3] 56.0-60.0 sec  58.3 MBytes    122 Mbits/sec
[  3]  0.0-60.1 sec    637 MBytes  88.9 Mbits/sec

[root@dct00 ~]# iperf -s -w 4MB -i 4
------------------------------------------------------------
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 129.15.40.251 port 40462
[  4]  0.0- 4.0 sec    103 MBytes    215 Mbits/sec
[  4]  4.0- 8.0 sec    128 MBytes    269 Mbits/sec
[  4]  8.0-12.0 sec    129 MBytes    271 Mbits/sec
[  4] 12.0-16.0 sec    119 MBytes    250 Mbits/sec
[  4] 16.0-20.0 sec    113 MBytes    237 Mbits/sec
[  4] 20.0-24.0 sec  94.0 MBytes    197 Mbits/sec
[  4] 24.0-28.0 sec  91.4 MBytes    192 Mbits/sec
[  4] 28.0-32.0 sec  86.2 MBytes    181 Mbits/sec
[  4] 32.0-36.0 sec  87.9 MBytes    184 Mbits/sec
[  4] 36.0-40.0 sec  27.5 MBytes  57.6 Mbits/sec
[  4] 40.0-44.0 sec  20.4 MBytes  42.9 Mbits/sec
[  4] 44.0-48.0 sec  23.4 MBytes  49.2 Mbits/sec
[  4] 48.0-52.0 sec  59.8 MBytes    125 Mbits/sec
[  4] 52.0-56.0 sec    100 MBytes    210 Mbits/sec
[  4] 56.0-60.0 sec  83.1 MBytes    174 Mbits/sec
[  4]  0.0-60.2 sec  1.24 GBytes    177 Mbits/sec

After we tuned the network, the performance does not have too much improvement.

[root@dct00 ~]# iperf -s -w 16MB -i 4
------------------------------------------------------------
Server listening on TCP port 5001
TCP window size: 32.0 MByte (WARNING: requested 16.0 MByte)
------------------------------------------------------------
[  4] local 192.12.15.8 port 5001 connected with 129.15.40.247 port 43121
[  4]  0.0- 4.0 sec  5.12 MBytes  10.7 Mbits/sec
[  4]  4.0- 8.0 sec  51.7 MBytes    109 Mbits/sec
[  4]  8.0-12.0 sec  70.3 MBytes    147 Mbits/sec
[  4] 12.0-16.0 sec  69.9 MBytes    147 Mbits/sec
[  4] 16.0-20.0 sec  61.6 MBytes    129 Mbits/sec
[  4] 20.0-24.0 sec  63.3 MBytes    133 Mbits/sec
[  4] 24.0-28.0 sec  70.7 MBytes    148 Mbits/sec
[  4] 28.0-32.0 sec    112 MBytes    236 Mbits/sec
[  4] 32.0-36.0 sec    110 MBytes    230 Mbits/sec
[  4] 36.0-40.0 sec  61.0 MBytes    128 Mbits/sec
[  4] 40.0-44.0 sec  71.7 MBytes    150 Mbits/sec
[  4] 44.0-48.0 sec  60.6 MBytes    127 Mbits/sec
[  4] 48.0-52.0 sec  46.8 MBytes  98.2 Mbits/sec
[  4] 52.0-56.0 sec  50.1 MBytes    105 Mbits/sec
[  4] 56.0-60.0 sec  56.2 MBytes    118 Mbits/sec
[  4]  0.0-60.5 sec    971 MBytes    135 Mbits/sec

We tested the network performance from BNL to OU:

[root@dct00 ~]# iperf -c  129.15.40.247  -w 16MB -i 4 -t 60 -p 64000
------------------------------------------------------------
Client connecting to 129.15.40.247, TCP port 64000
TCP window size: 32.0 MByte (WARNING: requested 16.0 MByte)
------------------------------------------------------------
[  3] local 192.12.15.8 port 58821 connected with 129.15.40.247 port 64000
[  3]  0.0- 4.0 sec  31.4 MBytes  65.9 Mbits/sec
[  3]  4.0- 8.0 sec  0.00 Bytes  0.00 bits/sec
[  3]  8.0-12.0 sec  0.00 Bytes  0.00 bits/sec
[  3] 12.0-16.0 sec  56.5 MBytes    119 Mbits/sec
[  3] 16.0-20.0 sec  90.8 MBytes    191 Mbits/sec
[  3] 20.0-24.0 sec  82.3 MBytes    173 Mbits/sec
[  3] 24.0-28.0 sec  89.5 MBytes    188 Mbits/sec
[  3] 28.0-32.0 sec  98.7 MBytes    207 Mbits/sec
[  3] 32.0-36.0 sec  90.0 MBytes    189 Mbits/sec
[  3] 36.0-40.0 sec  40.2 MBytes  84.2 Mbits/sec
[  3] 40.0-44.0 sec  40.2 MBytes  84.3 Mbits/sec
[  3] 44.0-48.0 sec    135 MBytes    282 Mbits/sec
[  3] 48.0-52.0 sec    126 MBytes    265 Mbits/sec
[  3] 52.0-56.0 sec    143 MBytes    299 Mbits/sec
[  3] 56.0-60.0 sec    118 MBytes    248 Mbits/sec
[  3]  0.0-60.2 sec  1.11 GBytes    159 Mbits/sec

Then we increased the number of TCP streams to see whether the performance increased: We first tried five TCP streams, and then we tried 10 TCP streams.

[root@dct00 ~]# iperf -s -w 2MB -i 4 
------------------------------------------------------------
Server listening on TCP port 5001
TCP window size: 4.00 MByte (WARNING: requested 2.00 MByte)
------------------------------------------------------------
 [root@dct00 ~]# iperf -s -w 2MB -i 4  | grep -i SUM
[SUM]  0.0- 4.0 sec    184 MBytes    387 Mbits/sec
[SUM]  4.0- 8.0 sec    228 MBytes    477 Mbits/sec
[SUM]  8.0-12.0 sec    223 MBytes    468 Mbits/sec
[SUM] 12.0-16.0 sec    297 MBytes    623 Mbits/sec
[SUM] 16.0-20.0 sec    359 MBytes    753 Mbits/sec
[SUM] 20.0-24.0 sec    334 MBytes    699 Mbits/sec
[SUM] 24.0-28.0 sec    286 MBytes    599 Mbits/sec
[SUM] 28.0-32.0 sec    329 MBytes    691 Mbits/sec
[SUM] 32.0-36.0 sec    340 MBytes    714 Mbits/sec
[SUM] 36.0-40.0 sec    429 MBytes    899 Mbits/sec
[SUM] 40.0-44.0 sec    325 MBytes    681 Mbits/sec
[SUM] 44.0-48.0 sec    376 MBytes    789 Mbits/sec
[SUM] 48.0-52.0 sec    361 MBytes    756 Mbits/sec
[SUM] 52.0-56.0 sec    420 MBytes    880 Mbits/sec
[SUM] 56.0-60.0 sec    364 MBytes    763 Mbits/sec
[SUM]  0.0-60.4 sec  4.77 GBytes    678 Mbits/sec

Then we used 10 TCP streams. The performance reached the wire speed of local network card.

[root@dct00 ~]# iperf -s -w 2MB -i 4  | grep -i SUM
[SUM]  0.0- 4.0 sec    322 MBytes    676 Mbits/sec
[SUM]  4.0- 8.0 sec    334 MBytes    701 Mbits/sec
[SUM]  8.0-12.0 sec    444 MBytes    932 Mbits/sec
[SUM] 12.0-16.0 sec    427 MBytes    894 Mbits/sec
[SUM] 16.0-20.0 sec    346 MBytes    725 Mbits/sec
[SUM] 20.0-24.0 sec    351 MBytes    736 Mbits/sec
[SUM] 24.0-28.0 sec    428 MBytes    897 Mbits/sec
[SUM] 28.0-32.0 sec    441 MBytes    925 Mbits/sec
[SUM] 32.0-36.0 sec    428 MBytes    897 Mbits/sec
[SUM] 36.0-40.0 sec    426 MBytes    893 Mbits/sec
[SUM] 40.0-44.0 sec    446 MBytes    936 Mbits/sec
[SUM] 44.0-48.0 sec    406 MBytes    851 Mbits/sec
[SUM] 48.0-52.0 sec    437 MBytes    917 Mbits/sec
[SUM] 52.0-56.0 sec    409 MBytes    857 Mbits/sec
[SUM] 56.0-60.0 sec    444 MBytes    932 Mbits/sec
[SUM]  0.0-60.9 sec  6.02 GBytes    848 Mbits/sec

Then we tested the network performance from BNL to OU. We started with five TCP streams. Here are the results with five TCP streams.

[root@dct00 ~]# iperf -c  129.15.40.247  -w 2MB -i 4 -t 60 -p 64000 -P 5 | grep -i SUM
[SUM]  0.0- 4.0 sec    142 MBytes    298 Mbits/sec
[SUM]  4.0- 8.0 sec    147 MBytes    308 Mbits/sec
[SUM]  8.0-12.0 sec    167 MBytes    351 Mbits/sec
[SUM] 12.0-16.0 sec    169 MBytes    353 Mbits/sec
[SUM] 16.0-20.0 sec    108 MBytes    227 Mbits/sec
[SUM] 20.0-24.0 sec    167 MBytes    350 Mbits/sec
[SUM] 24.0-28.0 sec    193 MBytes    404 Mbits/sec
[SUM] 28.0-32.0 sec    176 MBytes    368 Mbits/sec
[SUM] 32.0-36.0 sec    176 MBytes    370 Mbits/sec
[SUM] 36.0-40.0 sec    184 MBytes    387 Mbits/sec
[SUM] 40.0-44.0 sec    180 MBytes    378 Mbits/sec
[SUM] 44.0-48.0 sec    168 MBytes    352 Mbits/sec
[SUM] 48.0-52.0 sec    175 MBytes    367 Mbits/sec
[SUM] 52.0-56.0 sec    176 MBytes    369 Mbits/sec
[SUM]  0.0-60.2 sec  2.45 GBytes    349 Mbits/sec
[root@dct00 ~]# 

Then we tested with 10 TCP streams. We did not see any performance improvement.

[root@dct00 ~]# iperf -c  129.15.40.247  -w 2MB -i 4 -t 60 -p 64000 -P 10 | grep -i SUM
[SUM]  0.0- 4.0 sec    172 MBytes    360 Mbits/sec
[SUM]  4.0- 8.0 sec    170 MBytes    358 Mbits/sec
[SUM]  8.0-12.0 sec    146 MBytes    307 Mbits/sec
[SUM] 12.0-16.0 sec  66.9 MBytes    140 Mbits/sec
[SUM] 16.0-20.0 sec    130 MBytes    273 Mbits/sec
[SUM] 20.0-24.0 sec    133 MBytes    279 Mbits/sec
[SUM] 24.0-28.0 sec    172 MBytes    361 Mbits/sec
[SUM] 28.0-32.0 sec    177 MBytes    370 Mbits/sec
[SUM] 32.0-36.0 sec    213 MBytes    446 Mbits/sec
[SUM] 36.0-40.0 sec    204 MBytes    427 Mbits/sec
[SUM] 40.0-44.0 sec    174 MBytes    366 Mbits/sec
[SUM] 44.0-48.0 sec    172 MBytes    361 Mbits/sec
[SUM] 48.0-52.0 sec    174 MBytes    364 Mbits/sec
[SUM] 52.0-56.0 sec    195 MBytes    410 Mbits/sec
[SUM] 56.0-60.0 sec    186 MBytes    390 Mbits/sec
[SUM]  0.0-60.5 sec  2.43 GBytes    344 Mbits/sec
[root@dct00 ~]# 

[root@dct00 ~]# iperf -c  129.15.40.247  -w 2MB -i 4 -t 60 -p 64000 -P 20 | grep -i SUM
[SUM]  0.0- 4.0 sec    247 MBytes    519 Mbits/sec
[SUM]  4.0- 8.0 sec    205 MBytes    430 Mbits/sec
[SUM]  8.0-12.0 sec    191 MBytes    401 Mbits/sec
[SUM] 12.0-16.0 sec    171 MBytes    359 Mbits/sec
[SUM] 16.0-20.0 sec    161 MBytes    337 Mbits/sec
[SUM] 20.0-24.0 sec    186 MBytes    391 Mbits/sec
[SUM] 24.0-28.0 sec    223 MBytes    468 Mbits/sec
[SUM] 28.0-32.0 sec    216 MBytes    454 Mbits/sec
[SUM] 32.0-36.0 sec    174 MBytes    365 Mbits/sec
[SUM] 36.0-40.0 sec    212 MBytes    445 Mbits/sec
[SUM] 40.0-44.0 sec    221 MBytes    464 Mbits/sec
[SUM] 44.0-48.0 sec    224 MBytes    469 Mbits/sec
[SUM] 48.0-52.0 sec    141 MBytes    295 Mbits/sec
[SUM] 52.0-56.0 sec    151 MBytes    317 Mbits/sec
[SUM]  0.0-60.7 sec  2.82 GBytes    399 Mbits/sec

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