在对经典路径优化算法性能进行分析的基础上，指出了现有路径优化算法在大规模路网条件下实时性差的问题。
The analysis of the traditional traffic path optimization algorithms showed that their realtime capability appear insufficient under the largescale road network conditions.
setRoutingPath() method 将根据 ExistingRouteAction 属性修改所有现有路由路径。
The setRoutingPath() method modifies any existing routing path according to the ExistingRouteAction property. Add the code in Listing 9 to the handler
现有路由协议的实现是单一的，并且将数据库、最优路径计算和网络状态分发机制捆绑在一起。
Existing routing protocol implementations are monolithic, bundling together a database with an optimal path calculation algorithm and a network state distribution mechanism.
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