论文部分内容阅读
计算机网络从应用至今已有30年历史,网络规模小的只有几台计算机组成,大的可由成千上万台计算机组成。这些网络可以独立工作,也可以相互联接成为像因特网这样
Computer networks have been in use for over 30 years now, with only a few computers on a small network, and large ones on thousands of computers. These networks can work independently or connect with each other like the Internet