Cable Modem的技术特点及其与Ethernet的比较

Characteristics of Cable Modem System and Its Comparison with Ethernet

CM是有线电视网络通信服务中的关键性设备 ,其在国内应用的前途一直存在较多争议。目前CM接入和Ethernet接入是国内较有代表性的两种共享型城域网宽带接入方式。下面分析了CM的技术特点 ,并与用于宽带接入中的Ethernet技术在多个层面进行了比较 。

Cable Modem is key element for cable system to offer communication services while its application in China is always at issue. Currently cable modem system and Ethernet are two major shared broadband access techniques. Analyzes the characteristics of cable modem and compares them with those of Ethernet in many aspects. Finally some practical appraisement is given for its popularity.