soway
2016-03-11 22:57:50 +08:00
测试了一下,阿里云在上海节点访问香港 B 区比较快,深圳更快, 10ms 左右。不过深圳出口防火墙非常狠,干掉隧道协议。建议华南地区的不要选择深圳 B 区了,选择新加坡的没问题,不过延迟就上去了,大概 80 。
具体数值请看下面:
深圳到新加坡
PING 47.88.193.3 (47.88.193.3) 56(84) bytes of data.
64 bytes from 47.88.193.3: icmp_seq=1 ttl=47 time=88.9 ms
64 bytes from 47.88.193.3: icmp_seq=2 ttl=47 time=95.0 ms
64 bytes from 47.88.193.3: icmp_seq=3 ttl=47 time=91.8 ms
64 bytes from 47.88.193.3: icmp_seq=4 ttl=47 time=85.0 ms
深圳到香港
PING 47.89.42.2 (47.89.42.2) 56(84) bytes of data.
64 bytes from 47.89.42.2: icmp_seq=1 ttl=47 time=10.7 ms
64 bytes from 47.89.42.2: icmp_seq=2 ttl=47 time=10.7 ms
64 bytes from 47.89.42.2: icmp_seq=3 ttl=47 time=11.0 ms
64 bytes from 47.89.42.2: icmp_seq=4 ttl=47 time=10.8 ms
上海到新加坡:
PING 47.88.193.3 (47.88.193.3) 56(84) bytes of data.
64 bytes from 47.88.193.3: icmp_seq=1 ttl=50 time=131 ms
64 bytes from 47.88.193.3: icmp_seq=2 ttl=50 time=131 ms
64 bytes from 47.88.193.3: icmp_seq=3 ttl=50 time=131 ms
64 bytes from 47.88.193.3: icmp_seq=4 ttl=50 time=130 ms
上海到香港:
PING 47.89.42.2 (47.89.42.2) 56(84) bytes of data.
64 bytes from 47.89.42.2: icmp_seq=1 ttl=47 time=79.8 ms
64 bytes from 47.89.42.2: icmp_seq=2 ttl=47 time=80.5 ms
64 bytes from 47.89.42.2: icmp_seq=3 ttl=47 time=82.7 ms
64 bytes from 47.89.42.2: icmp_seq=4 ttl=47 time=82.4 ms
杭州到香港:
[root@powercore ~]# ping 47.89.42.2
PING 47.89.42.2 (47.89.42.2) 56(84) bytes of data.
64 bytes from 47.89.42.2: icmp_seq=2 ttl=53 time=175 ms
64 bytes from 47.89.42.2: icmp_seq=3 ttl=53 time=207 ms
64 bytes from 47.89.42.2: icmp_seq=4 ttl=53 time=199 ms
杭州到新加坡:
PING 47.88.193.3 (47.88.193.3) 56(84) bytes of data.
64 bytes from 47.88.193.3: icmp_seq=1 ttl=52 time=169 ms
64 bytes from 47.88.193.3: icmp_seq=2 ttl=52 time=179 ms
64 bytes from 47.88.193.3: icmp_seq=3 ttl=52 time=184 ms
华南区翻墙的最好不要选择香港 B 区,这个地方被封得太厉害了,我开始以为是配置错误。后来才发现,实际情况远不是那样,就是被封掉了。只要开一下,马上就无法 ping 通对方了。重启后又可以 ping 。
无聊的人也不用 D 我了,我都是开的计时的,测试完毕就释放了。