随着HFC 宽带接入技术和宽带IP 网络技术的飞速发展，现代有线电视网正不断向宽带综合业务网络平台演进。
With the fast development of HFC broadband access and broadband IP network technology, modern CATV network is developing to a broadband integrated service network plant.
另外，随着全球宽带用户的增加以及各种网络服务的出现，对于宽带接入设备IP - DSLAM的接入带宽提出了更高的要求和挑战。
What's more, as the number of broadband user increased and various kinks of network services emerged, developing larger bandwidth available IP-DSLAM becomes another risk and challenge.
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