An IMP – Internet Message Processor – is some sort of a predecessor of todays Internet routers, and there is vintage IMP code available. Together with the PiPD-10 project, there is an effort started to reconstruct an early version of ARPANET, and they're asking for help: https://obsolescence.dev/obsolescence-newsletter-dec-2024.html#c7
#vintagecomputing #retrocomputing #pipd10 #imp #arpanet