At first, this paper proposes the concept of “policy routing”and also its application field based on analyzing traditional routing principle. Then, the solution of band merging and load balancing is pointed out through case analysis in detail. Finally, the problems during the implement of the solution is also be discussed.%首先在分析传统路由原理的基础上提出了策略路由的概念和应用领域,然后通过具体的案例分析制订了具体的基于策略路由实现带宽合并和负载均衡的方案,最后总结了实施方案所遇到的主要问题。
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