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ＩＰ／ＳＤＨ 接口技术是ＩＰ骨干网上千兆路由器高速互连的经济并且有效的解决方式。首先介绍ＩＰ／ＳＤＨ的接口规范，然后主要对其中存在的问题和可能造成的影响进行了分析。为提高网络的可靠性，讨论了一种加扰码的改进的接口设计。
IP / SDH interface technology is an economical and effective solution for high-speed interconnection of Gigabit routers on the IP backbone network. First of all, it introduces the interface specification of IP / SDH, and then mainly analyzes the existing problems and possible impacts. To improve the reliability of the network, an improved interface design of scrambling code is discussed.