机构地区: 暨南大学理工学院电子工程系
出 处: 《电信科学》 2003年第4期21-24,共4页
摘 要: 本文首先分析了SONET/SDH的现状,由此引出下一代SONET/SDH的新业务——DoS,接着指出几种现有的IP over SDH的缺点,在此基础上介绍实现DoS的关键技术——GFP、VC、LCAS,最后分析讨论了这些新技术相对于现有技术的优势。 The status of the SONET/SDH is analysed, and the new service of it is brought out. At the same time, the disadvantages of the present IP over SDH are pointed out, and the key techniques of DoS are introduced, furthermore the advantages of the key techniques compare to the present techniques are discussed.