There are about 400,000 networks, interconnected, run independently by 400,000 different operating agencies, and the only reason this works is that they all use the same standard TCP/IP protocols.
大约有40万，分别由40万不同机构独立运作 的网络互相连结 这模式能运作的唯一解释 就是他们使用相同标准的TCP/IP 通讯协议