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从IP与ATM结合技术的演变入手,阐述了MPLS的基本原理,并重点介绍了LSP的建立过程。同时,对MPLS的控制协议进行了比较。
Starting from the evolution of the combination of IP and ATM technology, the basic principle of MPLS is expounded, and the establishment process of LSP is introduced emphatically. At the same time, MPLS control protocol is compared.