随着我国电信市场竞争的加剧,如何解决“最后一公里”的接入瓶颈问题显得越来越重要。从各大运营商的网络建设情况看,目前骨干网的建设已具备相当的规模,但接入网的建设还略显薄弱,无论是积极向北方拓展的中国电信、向南方拓展的中国网通,还是中国联通、中国移动、中国铁通和中 With the intensification of competition in China’s telecom market, how to solve the “last mile” access bottleneck problem becomes more and more important. Judging from the network construction of major operators, the current backbone network has already reached a fairly large scale. However, the construction of the access network is still somewhat weak. Both China Telecom, which is actively expanding to the north, China Netcom expanding to the south, Or China Unicom, China Mobile, China Railcom and China