Why China to Singapore bypass Los Angeles ?

March 9, 2015 945 views
DNS

my traceroute, pay attention on 9 - 11

3  1.98.202.1.static.bjtelecom.net (1.202.98.1)  4.005 ms  185.398 ms  2.670 ms
 4  bj141-146-65.bjtelecom.net (219.141.146.65)  19.253 ms  21.435 ms  27.296 ms
 5  202.97.57.225 (202.97.57.225)  129.795 ms
    bj141-162-177.bjtelecom.net (219.141.162.177)  14.191 ms  26.778 ms
 6  202.97.53.162 (202.97.53.162)  70.684 ms  16.729 ms *
 7  202.97.53.246 (202.97.53.246)  11.199 ms  10.162 ms  9.182 ms
 8  202.97.52.254 (202.97.52.254)  157.555 ms  160.168 ms  162.263 ms
 9  202.97.50.42 (202.97.50.42)  171.404 ms  154.663 ms  156.757 ms
10  ix-2-2-6-0.tcore2.lvw-los-angeles.as6453.net (64.86.252.185)  213.316 ms  150.604 ms  152.882 ms
11  if-7-2.tcore2.svw-singapore.as6453.net (180.87.15.25)  545.141 ms  325.130 ms  393.128 ms
12  if-2-2.tcore1.svw-singapore.as6453.net (180.87.12.1)  412.719 ms  326.956 ms  334.516 ms
13  if-11-2.thar1.svq-singapore.as6453.net (180.87.98.37)  391.381 ms  338.149 ms  324.558 ms
14  180.87.98.6 (180.87.98.6)  256.957 ms * *
15  103.253.144.230 (103.253.144.230)  206.208 ms *
    103.253.144.242 (103.253.144.242)  344.007 ms
16  * * 128.199.183.47 (128.199.183.47)  205.738 ms
1 Answer

If there is no direct peering for the network DO uses in China to Singapore, it will use the best path it can find.

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