Early Tymnet History
Tymnet Retrospective
Routing and Flow Control in TYMNET
How the Supervisor controlled routing
TYMNET: —A terminal oriented communication network
Tymnet ‘balls’
6600 precursor to Tymnet’s ‘bit banging’
Remote Echoing
Internal Tymnet Protocols
TYMNET——A Serendipitous Evolution

Networks in general
Technology background for Tymnet
Packet vs. Circuit Switched networks

2017 report