| 中文摘要 |
Studying service-oriented virtual network mapping algorithm aims for lowering the delay of important data transmission caused by bandwidth congestion which is possible to occur in the transmission of mass data. Service-oriented mapping algorithm can automatically and effectively utilize physical links with lesser delay in transmitting important data, making information transmission of network more reasonable and orderly. Through classifying virtual tasks into four precedence levels, different algorithms are used to map virtual links onto physical links, hence reaching the target of priority transmission of important information. In the end, Labview is adopted to simulate the algorithm proposed, by which it is concluded that the algorithm proposed shows good anti-congestion performance in transmitting important data. |
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