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自从早期试验者们撰写一系列技术文档首次描述互联网协议(IP)以来,已经过去了整整30年。此后,不计其数的工程师先后开发出了依赖IP作为人与计算机之间通信纽带的众多系统和应用。
It has been 30 years since early testers wrote a series of technical documents that first described the Internet Protocol (IP). Since then, countless engineers have developed a number of systems and applications that rely on IP as a communication link between people and computers.