We analyze GMPLS TE mechanism, including extensions of routing and signaling protocol, and verify the application of GMPLS TE in the network through simulating and analyzing the performance indicator of network throughput and link utilization. 分析了GMPLS流量工程机制,包括其对路由协议和信令协议进行的扩展,并通过仿真分析网络吞吐量和链路利用率两方面的性能指标验证了GMPLS流量工程在网络中的应用。