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1 前言目前,西安电信 DSLAM 在网用户数已经超过20万户,每年 DSLAM 节点建设和扩容工程量都非常大,而为用户提高速率计划却一再受到限制。其原因在:早期工程建设中考虑不周遗留了一些问题;在后期工程建设中,虽然制定了一系列规范,但宽带用户的迅猛发展和基于宽带平台上大量新兴业务的逐渐兴起,又给现有的宽带网络改造提出了严峻的挑战。
1 Foreword At present, Xi’an Telecom DSLAM users in the network has more than 200,000 households, each DSLAM node construction and expansion project volume is very large, but for users to increase the rate plan has repeatedly been limited. The reasons are as follows: Some problems remained in the early project construction; in the later project construction, although a series of norms were formulated, the rapid development of broadband users and the gradual rise of a large number of emerging businesses based on broadband platforms gave them Some broadband network transformation posed a serious challenge.