省内干线传输网40G OTN技术应用探讨

摘要

It analyzes the provincial backbone transmission network situation, service requirements and the chal enges on using 40G OTN technology, in combination with the characteristics of 40G OTN. It also discusses the site selection of 40G OTN system, topol-ogy, coding and protection mode.%结合40G OTN技术特点，对省内干线传输网现状、业务需求和采用40G OTN技术面临的挑战进行了分析，并就40G OTN系统的局（站）选择、拓扑结构、编码和保护方式进行了探讨。