data mile 中文意思是什麼
data mile
解釋
標準英里-
The normal user must go through the access network and backbone to access the internet via icp there are always high - rate and broadband lines connected to the backbone, the backbone of telecom can provide wide enough bandwidth for all the data transmission as more and more optic fiber with wdm and dwdm technologies have been paved. but " the last mile " from user ' s home to central office is still narrow - band and analog, which becomes bottom - neck of the communication subnet preventing it from being widen
一般用戶使用internet時要經過接入網，電信主幹網，最後達到icp （ internetcontentprovider ：因特網內容提供商） 。其中icp一般有著高速寬帶的線路與主幹網相連，而主幹網由於波分復用或密集波分復用的光纖技術的大量使用，使得其可提供足夠的帶寬使用，但是，接入網? ?從用戶家庭到電信網的局端的這「最後一公里」 ，仍然是窄帶的、模擬的，這「最後一公里」就是電信網寬帶化的瓶頸。
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