计算机科学 ›› 2017, Vol. 44 ›› Issue (8): 90-94.doi: 10.11896/j.issn.1002-137X.2017.08.017
汪学舜,余少华,戴锦友
WANG Xue-shun, YU Shao-hua and DAI Jin-you
摘要： 网络功能虚拟化转变了网络架构和网络业务的部署。在网络功能虚拟化架构中,实现虚拟化深度包检测只需在传输路径上进行一次扫描,但高效部署深度包检测功能引擎成为难题。将深度包检测功能部署问题形式化为线性规划问题以满足约束条件,并提出一种基于代价最小的贪婪算法和优化的贪婪算法来解决深度包检测功能部署问题。该算法对部署代价和网络资源代价进行折衷,实现了最小化的部署代价。实验结果表明,所提算法能够实现深度包检测功能部署并取得近似最优解。
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