| 摘要: |
| 对于许多网络应用而言,精确的网络链路实际使用带宽的监测非常重要.首先,为了减少监测过程对实际网络带宽的影响提出一个网络链路实际使用带宽的监测模型.然后,证明求该模型最优解的问题是NP完全的.最后,通过进一步挖掘流量约束扩展该模型以进一步减少监测过程的影响. |
| 关键词: 实际使用带宽 弱顶点覆盖 NP完全 流守恒 |
| DOI： |
| 分类号: |
| 基金项目:Supported by the National Natural Science Foundation of China under Grant Nos.69933030, 630730023 (国家自然科学基金) |
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| A Monitoring Model for Link Bandwidth Usage of Network Based on Weak Vertex Cover |
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LIU Xiang-Hui,YIN Jian-Ping,LU Xi-Cheng,ZHAO Jian-Min
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| Abstract: |
| Accurate monitoring for the link bandwidth usage of network is important to a variety of network applications. In this paper, a monitoring model on the bandwidth usage of a given set of links is first proposed so as to minimize the overhead imposed by the monitoring procedure on the underlying network. Secondly it is proved that the problem of finding the monitoring model with a minimum overhead is NP-complete. Finally the model is extended by exploiting the flow constraints to further reduce the overhead for monitoring the link bandwidth usage. |
| Key words: bandwidth usage weak vertex cover NP-completeness flow conservation |
