基于 MPL S的 Internet流量工程是有关 Internet的研究的新的课题。为了适应于 Internet中的新的应用的出现和网络规模的进一步扩大 ,必须在 Internet主干网中实施流量工程。基于 MPLS的流量工程是被研究人员和业界认可的 Internet流量工程的主要形式。论述了基于 MPLS的 Internet流量工程的发展及组成部分 ,并讨论了在Internet主干网中路由选择的相关问题 Internet traffic engineering based on MPL S is a new topic in the research of Internet. In order to adapt to the emergence of new applications in the Internet and the further expansion of the network size, traffic engineering must be implemented in the Internet backbone. MPLS-based traffic engineering is the main form of Internet traffic engineering approved by researchers and the industry. Discusses the development and components of MPLS-based Internet traffic engineering, and discusses the issues related to routing in the Internet backbone