CDN的效果
广州访问一搜：
Tracing route to www.yisou.com [202.165.102.112] over a maximum of 30 hops:
1 6 ms 6 ms 6 ms 此处隐去
2 <1 ms <1 ms <1 ms 61.177.103.49
3 <1 ms <1 ms <1 ms 61.177.103.181
4 <1 ms <1 ms <1 ms 61.177.101.133
5 <1 ms <1 ms <1 ms 61.177.101.17
6 3 ms 3 ms 3 ms 202.97.27.153
7 3 ms 3 ms 3 ms 202.97.27.22
8 3 ms 3 ms 3 ms 202.97.27.33
9 10 ms 10 ms 10 ms 202.97.39.109
10 34 ms 34 ms 33 ms 202.97.34.45
11 126 ms 127 ms 126 ms 202.97.57.214
12 307 ms 310 ms 310 ms 219.142.8.230
13 132 ms 132 ms 132 ms po2.bas1.cnb.yahoo.com [202.165.96.198]
14 166 ms 165 ms 165 ms m29.search.cnb.yahoo.com [202.165.102.112]
Trace complete.
广州访问网易：
Tracing route to www.163.com [202.108.36.196] over a maximum of 30 hops:
1 6 ms 5 ms 5 ms 此处隐去
2 <1 ms <1 ms <1 ms 61.177.103.49
3 <1 ms <1 ms <1 ms 61.177.103.181
4 <1 ms <1 ms <1 ms 61.177.101.133
5 <1 ms <1 ms <1 ms 61.177.101.17
6 3 ms 3 ms 3 ms 202.97.27.153
7 3 ms 3 ms 3 ms 202.97.41.226
8 106 ms 106 ms 106 ms 202.97.35.73
9 106 ms 106 ms 106 ms 202.97.36.38
10 266 ms 267 ms 265 ms 219.158.28.117
11 240 ms 240 ms 240 ms 202.96.12.42
12 239 ms 241 ms 240 ms 202.106.192.174
13 241 ms 240 ms 240 ms 210.74.176.150
14 240 ms 240 ms 241 ms 202.108.36.196
Trace complete.
广州访问新浪：
Tracing route to taurus.sina.com.cn [61.172.201.222] over a maximum of 30 hops:
1 6 ms 5 ms 5 ms 此处隐去
2 <1 ms <1 ms <1 ms 61.177.103.49
3 <1 ms <1 ms <1 ms 61.177.103.181
4 <1 ms <1 ms <1 ms 61.177.102.5
5 <1 ms <1 ms <1 ms 61.177.101.5
6 <1 ms <1 ms <1 ms 202.97.27.117
7 8 ms 8 ms 8 ms 202.97.39.9
8 8 ms 8 ms 8 ms 202.109.0.141
9 8 ms 15 ms 9 ms 202.109.0.38
10 16 ms 15 ms 21 ms 202.109.0.174
11 9 ms 9 ms 9 ms 202.96.208.218
12 23 ms 22 ms 21 ms 61.172.201.222
Trace complete.
可以看出，做了CDN按地域划分缓存集群的新浪访问速度明显要比按频道划分缓存集群的网易和yisou要快的多，但CDN的成本也是非常高的。如果以联盟的形式来组成CDN那么可以节省很多成本！欢迎大家加入联盟！