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大家用的宽带4M 一般速率能达到多少。这个值是在什么地方配置的?BSC么?
提问者:kyolibin
|
提问时间:2011-8-26 16:41
大家用的宽带4M 一般速率能达到多少。这个值是在什么地方配置的?BSC么?
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leah2012 (技术员三级)
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( 采纳时间:2011-9-9 15:47 )
恩 咋个宽带又和BSC混起了哦
4M宽带,理论下载速率512Kbit/s,但是实际值根据网络实际环境而定。
以前通常是在BAS上配置,现在使用PON网络了,在OLT上应该也是可以限制的
4M宽带,理论下载速率512Kbit/s,但是实际值根据网络实际环境而定。
以前通常是在BAS上配置,现在使用PON网络了,在OLT上应该也是可以限制的
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回答时间:2011-8-26 16:52
其他答案 ( 9 条 )
4M 一般速率能达到512kbit/s,一般达不到的,与网络环境有关,epon 在OLT上限制.ADSL在,BAS上限制.
设置一般在OLT上面限制ONU端口的速率 ,一般的下载速度是400kb/s左右。
联通4M EPON测试速率有450~480KB/S 4M理论速率是4*1024Kb/S=512KB/S。
4M指的就是速率,准确地说,应该是4Mbit/s,也就是4*1024*1024bit/s。不过计算机存储文件是以Byte为单位的,1Byte=8bit。折算成常用的下载速度单位的话,要除以8,大概是512k Byte/s。但是由于宽带接入使用的pppoe等协议会有一定的协议开销,也就是速率的一部分用来做协议控制之类的用途了,所以实际上不可能达到512k。一般认为,只要峰值速度在450k以上都可以认为带宽是达标的了。
这个速率一般可以在两个地方做限制。一是在用户接入设备(dslam、olt、交换机等)的端口上做。还有就是可以在宽带接入服务器bas上对拨号的宽带账号做控制。我目前接触到的情况是两个地方都做了限制。
这个速率一般可以在两个地方做限制。一是在用户接入设备(dslam、olt、交换机等)的端口上做。还有就是可以在宽带接入服务器bas上对拨号的宽带账号做控制。我目前接触到的情况是两个地方都做了限制。
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每个地区的标准是不一样的。最好先打运营商客服先问一下,然后要求测速,每个地方的运营商会提供一个测速的,如果他们提供的测的都达不到标准,那你就麻烦了,东莞的测速可以参考一下:东莞集团电话网站,可提供联通、铁通、电信的测速。
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这限速多数是在SS上限的
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leah2012 | 2011-9-10 08:22
SS?这个是语言控制设备哒
xiaolangzb | 2011-9-15 21:44
ss 软交换 也能接宽带业务
uddai0 | 2011-9-18 19:55
软交换嘛,要不就是BAS 上限了
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速率的测算一般有大B和小b之分。大B指byte,拜特,小b指bit,比特。1Byte等于8个二进制位,即bit。带宽时一般用大B,4M指的就是速率,准确地说,应该是4Mbit/s,也就是4*1024*1024bit/s/8为512KB。
我家的一直都是400Kbyte/s左右。
4M速度,理论值是4除以8,也就是500K左右。不时在bas设备上操作!如果是联通好像是在什么97系统里
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