为什么 traceroute 到中国电信主干网的延迟这么久？

[usufu]

下面是tracroute的结果 其中第8，9是中国电信主干网 延迟有200多 我是上海电信10M 为什么到主干网这么久？没想明白啊 从上海电信主干网 到 中国电信主干网 要200多？

traceroute to speedtest-sfo1.digitalocean.com (162.243.146.51), 64 hops max, 52 byte packets
1 broadcom.home (192.168.1.1) 1.770 ms 0.853 ms 0.823 ms
2 124.74.56.37 (124.74.56.37) 2.623 ms 3.821 ms 4.372 ms
3 124.74.58.229 (124.74.58.229) 5.326 ms 3.530 ms 3.974 ms
4 124.74.254.9 (124.74.254.9) 21.812 ms 3.848 ms 4.381 ms
5 202.101.63.122 (202.101.63.122) 5.694 ms 7.507 ms 8.238 ms

6 202.97.33.30 (202.97.33.30) 5.540 ms 21.177 ms 19.796 ms
7 202.97.33.254 (202.97.33.254) 5.021 ms 7.203 ms 5.954 ms

8 202.97.51.250 (202.97.51.250) 249.573 ms 306.587 ms 251.076 ms
9 202.97.50.46 (202.97.50.46) 363.791 ms 306.845 ms 306.414 ms

10 * * *
11 ae0-50g.cr1.lax2.us.nlayer.net (69.31.124.84) 663.206 ms 520.089 ms 614.740 ms
12 * xe-4-2-0.cr1.sjc1.us.nlayer.net (69.22.142.9) 528.555 ms 552.463 ms
13 ae1-70g.cr1.pao1.us.nlayer.net (69.22.143.166) 615.034 ms * *
14 * * *
15 as14061.ae5-401.cr1.sfo1.us.nlayer.net (69.22.130.38) 490.398 ms 436.089 ms 460.319 ms
16 198.199.99.242 (198.199.99.242) 436.346 ms * 656.700 ms
17 * 162.243.146.51 (162.243.146.51) 528.345 ms *

[ericFork]

已经到西岸的 POP 了....

[usufu]

@ericFork 啥意思？8和9已经到西海岸了？不懂啊

[sdysj]

接入美帝终端后的速度了，只是名义上电信骨干。。。

[jasontse]

第8，9跳在美国洛杉矶

[paulgao]

试试 tr.17mon.cn