This site will look much better in a browser that supports web standards, but it is accessible to any browser or Internet device.
On January 1 1983 host computers connected to ARPANET no longer accepted packets delivered under the NCP set of protocols. The date is sometimes marked as the birth of the Internet. From that day all hosts linked to the network would operate TCP/IP protocols. To understand this evolutionary process one must examine the decisions leading to ARPANET's creation in 1969, its subsequent growth and the creation of other networks during the succeeding decade.
Next page » ARPANET