Computer network course is the key lesson in relative speciality of higher schools, and protocol analysis is a main link in the teaching system of computer.

计算机网络基础课程是高等院校计算机相关专业的重点课程，网络协议分析是计算机网络教学体系当中的一个重要环节。

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The link between parts of a computer system, or between two different systems, It varies from a simple cable connection to an "intelligent" device which translates protocol.

连接电脑系统内部份的设备或连接两个不同系统的装置。它可以从简单的电线到复杂的翻译规约的智能装置。

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