To achieve the consistency between source node pre-planned routing and actually transporting path in networks with multi-vector QoS route, a new method of multi-restriction QoS routing computing with vector-mapping is put forward, Associated with mathematic method and physical concepts, the rationality of vector-mapping is expressed in principle and proved through calculating practice and simulation. Consistent routing from source to any other node can be acquired by calculating at one time to meet building up routing table.%针对多维矢量计算多约束服务质量路由出现实际传输路径与源节点期望路径并非一致问题,研究提出矢量映射方式的多约束服务质量路由计算方法.通过数学方法和物理概念相结合的方式,从原理上阐述了新算法矢量映射的合理性,并通过算例和仿真实验方式验证,新算法只需一次性计算就可以获得源节点到各节点保持路径一致的路由.
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