On January 1, 1983 NCP was deemed obsolete when the ARPANET switched over to the new TCP/IP protocol suite, and as a result, marked this date as the official birth date [for some] of the Internet.

• 1983年一月一日NCP成为历史，这一天ARPANET转移到了新的TCP/IP协议，因此这也被认为是互联网正式诞生。