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现有网络存在多种不同的业务网,每种业务网只能提供单一的服务。介绍基于SDH的多业务传送平台,这是一种TDM/ATM/Ethernet混合传送的解决方案,具有明显的优势。
There are many different business networks in the existing network, and each business network can only provide a single service. Introducing SDH-based multi-service delivery platform, which is a TDM / ATM / Ethernet hybrid delivery solution with significant advantages.