我正在研究 traceroute 的工作原理，现在我感觉有点卡住了。
sudo traceroute -T aws.com
traceroute to aws.com (13.227.211.129), 30 hops max, 60 byte packets
1 * * *
2 100.64.0.103 (100.64.0.103) 0.546 ms 100.64.0.72 (100.64.0.72) 0.664 ms 100.64.0.33 (100.64.0.33) 0.650 ms
3 130.193.63.248 (130.193.63.248) 3.796 ms 32.932 ms 3.887 ms
4 mow-b4-link.ip.twelve99.net (62.115.170.18) 4.927 ms 4.866 ms 4.891 ms
5 * * *
6 adm-bb3-link.ip.twelve99.net (62.115.136.151) 43.684 ms 43.465 ms 43.854 ms
7 adm-b2-link.ip.twelve99.net (80.91.253.163) 43.548 ms adm-b2-link.ip.twelve99.net (62.115.141.67) 43.077 ms adm-b2-link.ip.twelve99.net (80.91.253.163) 42.585 ms
8 a100-ic314746-adm-b2.ip.twelve99-cust.net (62.115.146.67) 44.687 ms a100row-ic300134-adm-b2.ip.twelve99-cust.net (213.248.87.114) 48.243 ms 48.218 ms
9 * 54.239.114.36 (54.239.114.36) 42.782 ms *
10 54.239.114.147 (54.239.114.147) 47.749 ms 54.239.114.65 (54.239.114.65) 41.303 ms 54.239.114.69 (54.239.114.69) 41.403 ms
11 * * *
12 * * *
13 * * *
14 * * *
15 * * *
16 150.222.249.245 (150.222.249.245) 42.581 ms 52.93.130.127 (52.93.130.127) 43.424 ms 54.239.42.203 (54.239.42.203) 42.566 ms
17 * * *
18 * * *
19 * * *
20 * * *
21 * * *
22 * * *
23 * * *
24 * * *
25 * * *
26 * * *
27 * * *
28 * * *
29 server-13-227-211-129.ams54.r.cloudfront.net (13.227.211.129) 45.159 ms 46.248 ms 49.153 ms
这些***啤酒花是什么？标有 *** 的每一跳都是独立的路由器吗？或者它可能会尝试到达同一个路由器几次，所以几个跃点将意味着同一个路由器，但我们永远不会知道？或者我的数据包可能会循环运行，例如，几个跃点可能是同一个路由器？
sudo traceroute -I aws.com
traceroute to aws.com (65.9.77.126), 30 hops max, 60 byte packets
1 * * *
2 100.64.0.73 (100.64.0.73) 0.494 ms 0.499 ms 0.494 ms
3 130.193.63.248 (130.193.63.248) 3.903 ms 3.853 ms 3.847 ms
4 mow-b4-link.ip.twelve99.net (62.115.170.18) 3.649 ms 3.701 ms 3.643 ms
5 * * *
6 adm-bb3-link.ip.twelve99.net (62.115.136.151) 43.460 ms 42.995 ms 42.980 ms
7 adm-b2-link.ip.twelve99.net (213.155.137.211) 42.948 ms 42.850 ms 42.850 ms
8 a100row-ic300134-adm-b2.ip.twelve99-cust.net (213.248.87.114) 51.693 ms 51.568 ms 51.557 ms
9 54.239.114.84 (54.239.114.84) 46.527 ms 46.006 ms *
10 52.93.112.61 (52.93.112.61) 45.692 ms 45.704 ms 45.521 ms
11 * * *
12 * * *
13 * * *
14 * * *
15 * * *
16 65.9.77.126 (65.9.77.126) 45.380 ms 45.436 ms 45.392 ms
现在我添加了 -I 以使用 ICMP 数据包。为什么路线不一样？那个BGP有效吗？