美国服务器ping值
许多人喜欢用”ping”来测试网速,觉得ping的高和低就意味着网络速度快和慢，本来ping不能拿来测网速的，关键是看网洛的返回值而确认另一方服务器是用的是啥系統和网络堵塞等作用。测网速有专业的测试工具，标值无论你的网络速度多高，全是相同的功效，ping值只不过是个瞬时值，那么偶尔引起ping值高乃至丢包的现象有许多。例如数据文件正好经由的网洛链路高发期较为拥堵时导致的丢包、延时大，针对边远地区的网络共享资源不健全、本身的上行宽带資源被本地用户占有这些都将会导致ping值过高。
租赁美国服务器最关键的也是需看网站打开速度的速度，许多IDC商都在宣扬：人们的美国服务器是到国內转速最块的，ping值低于100ms，并且在国內检测，的确能达标这一郊果，只是那样的服务器确实是美国的服务器吗！
针对中国大陆而言，美国服务器的网站打开速度取决于国内或是香港服务器而言会慢点，一般我们在开展网站打开速度查讯时全是根据ping值开展检测。因为美国服务器在我国的IDC市場中占据好大的占比，以至于网站打开速度也是客户选取的1个关键规范，那麼美国服务器ping值为多快算快呢，下边就对于这一问題开展解析。
那麼美国服务器ping值最快多快呢？
现今的互联网在传送的步骤中全是以光钎的方式完成散播，在散播的上行宽带和转速是全有质的超越，可是美国与中国中间间隔的间距相隔贴近半个地球，以北京到华盛顿的平行线间距推算出，约为11150千米(统计资料来源于谷歌地图)，即便是光速的传送，总有必要的時间规范，那麼以光速做为考量的速率时，一秒为三十万千米，也等于光在一秒钟内旋转地球走7.5圈，在時间上一秒(s)=1000毫秒(ms)，那麼光钎在中国到美国所须要的用时为67毫秒上下。
显而易见，假如人们想美国服务器传出1个ping请求时，数剧要历经产生和接纳2次传送，在没受一切干涉的状况下，就数剧的传送時间最少也为134毫秒，要是在计算里面人们所途经路由与服务器的处置時间，那麼美国服务器的ping值最少也为170ms，因此美国服务器在总体的网站打开速度一定会取决于偏慢点。假如在服务提供商中常检测到的ping值在180ms到190ms中间，都算网站打开速度迅速的美国服务器，假如在美国机房的数剧在进到海底光缆以前还必须历经好几个路由器做好传送时，如果传送的时长在200ms左右也不太奇怪。因此在国內ping值低于100的都不是真实的美国服务器，通常全是港澳的服务器，尽管在国內网站打开速度算是还行，只是海外浏览确是很不理想了.?假如商户推广是美国的服务器，而ping值低于100ms?那毫无疑问是坑人的了。
这些所说ping值低于100ms的“美国服务器”IP往往查到是美国，是由于其美国服务器本来只是香港服务器，应用的香港的机房IP是一直跟美国办理的。其余还要根据tracert等指令查询一下服务器所经由的路由连接点，辨别是不是真伪美国服务器。
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