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本文描述了E-MAN的基本现状和网络结构,对E-MAN、SDH-MAN和E-MANoverRPR三种技术进行了比较,重点介绍了E-MANoverRPR、E-MPLS技术原理,并指出这两种E-MAN新技术的优势所在。
This paper describes the basic status quo and network structure of E-MAN, compares the three technologies of E-MAN, SDH-MAN and E-MANoverRPR with emphasis on the principle of E-MANoverRPR and E-MPLS, The advantages of E-MAN’s new technology lie.