介绍了计算机的网络结构，以及自顶向下的方法学。资料为英文书写，原理介绍的很清晰，适合初学者学习计算机网络。-Overview of the computer network structure, as well as a top-down methodology. Data is written in English, the principle introduced by the very clear, suitable for beginners to learn the computer

计算机网络原理：自顶向下方法（第6版） (Computer network top-down version 6)(The principle of computer network: the top down method (Sixth Edition) (Computer network top-down version 6))

计算机网络 自顶向下方法（第七版）英文原版，原滋原味。(This book is the English version of Computer Networking A Top-Down Approach (7th Edition), a good book worthful reading.)