tag

#arpanet

3 posts

Tech HistoryDeep Dive July 12, 2026 6 min read

ARPANET's First Message: Why 'LO' Reached SRI Before the System Crashed

Reconstruct the October 29, 1969 UCLA-to-SRI login from the IMP log, and separate ARPANET's first host message from later Internet myths.

#arpanet#networking#internet-history

Tech HistoryDeep Dive July 10, 2026 6 min read

Trace ARPANET from NCP through TCP/IP, gateways and the 1983 transition—and correct the myth that one protocol simply swallowed every rival network.

#deep-dive#arpanet#internet

Tech HistoryFix July 10, 2026 4 min read

Ray Tomlinson deserves credit for one specific breakthrough: networked email. Same-machine electronic mail existed years before he touched it.

#fix#myth#email