local-networks distributed-systems ai-history mit

Chaosnet (1981)

tumbleweed.nu

June 14, 2026

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Summary

Chaosnet is a decentralized local network for communication among computers located within one or two kilometers of each other. Developed in 1975 by the AI Laboratory at MIT, it was initially used as the internal communications medium for the Lisp Machine system.

Key Takeaways

Chaosnet is a local network system developed in 1975 by MIT's Artificial Intelligence Laboratory for communication among computers within one or two kilometers of each other.
The Lisp Machine system, which utilizes Chaosnet, allows each user to have a personal computer with a medium-scale processor and shared access to a central file system.
Chaosnet prioritizes simplicity and high performance, achieved through a high-speed transmission medium and low-overhead operations, making it suitable for connecting diverse machines.
The design of Chaosnet excludes provisions for long-distance communication and unnecessary features like multiple service levels or secure communication, focusing instead on local network efficiency.

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