深度包检测技术即DPI技术是一种基于应用层的流量检测和控制技术，当IP数据包、TCP或UDP数据流通过基于DPI技术的带宽管理系统时，该系统通过深入读取IP包载荷的内容来对OSI七层协议中的应用层信息进行重组，从而得到整个应用程序的内容，然后按照系统定义的管理策略对流量进行整形操作。
业务感知模块采用协议分析和深度包检测技术对网络业务进行识别和标记；
Then the traffic differentiating module differentiates the data flow according to the marker and the service's priority.
Grosse：确实，那些谈论网络中的入侵检测、恶意软件检测或深度包检测的法规正逐渐被当前技术潮流所忽略。
Grosse: I agree that regulations that would talk about intrusion detection or malware detection or deep pack-et inspection on the network really are being passed by with current technology trends.
并最后提出了一种以ssdfa算法为核心检测技术的深度包检测系统模型。
And to propose a final SSDFA detection algorithm as the core technology of deep packet inspection system model.
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