In this paper, a practical MPLS constraint routing algorithm is proposed mainly based on network needed brand, at the same time, the other QOS parameters are also considered.

• 本文在分析了最近最宽路径算法和负载均衡算法后，提出通过计算网络最大流，以带宽需求为主要依据，同时考虑其它QOS参数的约束路由算法。