Today's information age, the rapid development of computer network, has infiltrated every aspect of life in modern so-ciety. But people enjoy the convenience brought by the computer network at the same time, needing to face the network trans-mission of information content and coordinated management of the transmission link problems. Especially in some important sec-tors specific environment, and its transmission through the network a number of different levels, different content data, once a long delay or the required critical data transmission link is occupied, it will cause great losses. This article will focus on the use of network signaling to the signaling for the carrier, on which the information inherent in the data to identify, thus the formation of data classification, and ultimately information identification.%当今信息时代计算机网络飞速发展，已经渗入现代社会生活的各个方面。但人们在享受计算机网络带来的便利同时，需要面对网络上传输的信息内容与传输链路协调管理的问题。特别是在特定的环境某些重要部门，其通过网络传输大量的不同级别、不同内容的数据，一旦重要数据长时间延时或所需传输链路被占用，将会造成极大的损失。针对网络信令的运用，以信令为载体，对其中所蕴含的数据信息进行识别，进而形成数据分类，最终实现信息识别。
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