剛發現Exetel 到中國的鏈路比TPG的快多了, 隻是有時候出問題有點鬱悶

速度平均有快一倍以上， Exetel是經過Singtel（Optus?）跳了20跳的結果。而TPG(Telstra？)經過美國才跳15跳慢了差不多一倍。

Exetel的ping結果：

Pinging hydra.sina.com.cn [218.30.108.65] with 32 bytes of data:
Reply from 218.30.108.65: bytes=32 time=212ms TTL=48
Reply from 218.30.108.65: bytes=32 time=210ms TTL=48
Reply from 218.30.108.65: bytes=32 time=209ms TTL=48
Reply from 218.30.108.65: bytes=32 time=212ms TTL=48

Ping statistics for 218.30.108.65:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 209ms, Maximum = 212ms, Average = 210ms

TPG的ping 結果：

Pinging hydra.sina.com.cn [218.30.108.183] with 32 bytes of data:

Reply from 218.30.108.183: bytes=32 time=543ms TTL=52
Reply from 218.30.108.183: bytes=32 time=502ms TTL=52
Reply from 218.30.108.183: bytes=32 time=425ms TTL=52
Reply from 218.30.108.183: bytes=32 time=393ms TTL=52

Ping statistics for 218.30.108.183:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 393ms, Maximum = 543ms, Average = 465ms