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在带宽需求量迅猛增长的背景下，光通信技术成为21世纪初最具发展潜力的技术。最近，业内专家指出，光分组交换技术将成为一项重要的通信技术得到广泛应用。 为了满足通信业务对带宽的需求，世界上许多国家采用波分复用（WDM）技术对已铺设的光纤线路进行扩容。然而，在通信网
With the rapid growth of bandwidth demand, optical communication technology has become the most promising technology in the 21st century. Recently, industry experts pointed out that optical packet switching technology will become an important communication technology has been widely used. In order to meet the demand for bandwidth of communication business, many countries in the world adopt WDM technology to expand the laid optic line. However, in the communication network