My first real "network approach" was at school with Pascal scheduling compiling... yes you had to wait to get your job done ...   My first "professional" approach was in the army, we still got coassial cable everywhere with "termination points" and dealing with collisions... but I saw also my first "fiber" connected between floors and a Novell Network where I had to deal with incremental backup daily and full backup every week... on a tape ... changing the tape every week to get 2 different copies ... That was disaster recovery ... ... View more