目前国内IDC市场发展迅速,各类虚拟IDC运营商也象雨后春笋般冒了出来,不管大的小的IDC都吹嘘自己的带宽怎么怎么好,速度如何如何的快,其实其中有很多的误区。 我们先来看看如何正确的测试一个机房的速度。 第一个办法也是最好的办法,PING值: 目标IP,或者域名都可以,举例 www.edong.com 61.152.105.35 开始菜单 -> 运行 -> 输入CMD -> 在DOS界面输入 “ping 222.191.251.180 -t” 或者 "ping www.edong.com -t " 注意如果没有 -t 那么ping值只有4个不具备代表性,-t参数就是让ping一直接续下去,知道你 手工 ctrl C 停止。 上海电信ADSL ping的结果: C:\Documents and Settings\Administrator>ping www.edong.com -t 【输入的命令】 Pinging www.edong.com [61.152.105.35] with 32 bytes of data: Reply from 61.152.105.35: bytes=32 time=9ms TTL=52 【一条ping记录 主要看TIME的值】 Reply from 61.152.105.35: bytes=32 time=9ms TTL=52 Reply from 61.152.105.35: bytes=32 time=9ms TTL=52 Reply from 61.152.105.35: bytes=32 time=9ms TTL=52 Reply from 61.152.105.35: bytes=32 time=9ms TTL=52 ................................(当中删除不少) Reply from 61.152.105.35: bytes=32 time=9ms TTL=52 Reply from 61.152.105.35: bytes=32 time=8ms TTL=52 Reply from 61.152.105.35: bytes=32 time=9ms TTL=52 Reply from 61.152.105.35: bytes=32 time=8ms TTL=52 Reply from 61.152.105.35: bytes=32 time=9ms TTL=52 Reply from 61.152.105.35: bytes=32 time=9ms TTL=52 Reply from 61.152.105.35: bytes=32 time=8ms TTL=52 Ping statistics for 61.152.105.35: Packets: Sent = 43, Received = 43, Lost = 0 (0% loss), 【合计发包43个,收到43个,丢包0 对保率 0】 Approximate round trip times in milli-seconds: Minimum = 8ms, Maximum = 9ms, Average = 8ms 【最小值8毫秒,最大值9毫秒,平均8毫秒】 Control-C ^C 上海移动宽带 ping的结果 C:\Documents and Settings\Administrator>ping www.edong.com -t 【输入的命令】 Pinging www.edong.com [61.152.105.35] with 32 bytes of data:
Reply from 61.152.105.35: bytes=32 time=4ms TTL=51 【一条ping记录 主要看TIME的值】 Reply from 61.152.105.35: bytes=32 time=20ms TTL=51 ................................(当中删除不少) Reply from 61.152.105.35: bytes=32 time=4ms TTL=51 Reply from 61.152.105.35: bytes=32 time=4ms TTL=51 Reply from 61.152.105.35: bytes=32 time=12ms TTL=51 Reply from 61.152.105.35: bytes=32 time=4ms TTL=51 Reply from 61.152.105.35: bytes=32 time=4ms TTL=51 Ping statistics for 61.152.105.35: Packets: Sent = 26, Received = 26, Lost = 0 (0% loss), 【合计发包26个,收到26个,丢包0 对保率 0】 Approximate round trip times in milli-seconds: Minimum = 4ms, Maximum = 79ms, Average = 9ms【最小值4毫秒,最大值79毫秒,平均9毫秒】 Control-C ^C 看到这种数据我们如何来分析这个结果,首先尽量使用电信的ADSL来测试,因为这个是最具有代表性的,而联通,铁通,移动的宽带由于各种互联互通的原因ping值肯定不准确或者没有办法作为评判的数据,但是可以作为一个参考的依据。
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