The article analyzes GMPLS, including the label, the layered LSP, routing and addressing, signaling and link management etc.At last the paper generalizes the meaning of GMPLS.

• 对GMPLS的标签、层次化LSP、路由与寻址、信令和链路管理等方面加以分析,最后对GMPLS的意义进行了概括。