JANET (the UK university network) had a NRS (Name Registration Service - similar to DNS) that worked from least-to-most specific. So Cambridge was uk.ac.cam ins

JANET (the UK university network) had a NRS (Name Registration Service - similar to DNS) that worked from least-to-most specific. So Cambridge was uk.ac.cam instead of today's cam.ac.uk. There were gateways to talk to email servers on ARPANET and reverse the ordering - there's more on it here: http://www.uknof.com/uknof7/Reid-History.pdf http://www.uknof.com/uknof7/Reid-History.pdf