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文章根据ITU-T关于光传送网(OTN)建议的研究进展,对已经完成、正在制订和将要制订的OTN建议的主要内容以及相互间关系等进行了介绍。
Based on the ITU-T research progress on optical transport network (OTN) recommendations, the paper presents the main content of the OTN recommendations that have been completed, are being developed and to be developed, and their relationship to each other.