Back in my day, we had green-on-black text. If you were really lucky, you had AMBER on black. Now, those were the days.
And for a P2P protocol we used sneakernet. We had to take floppy disks and WALK to the host. Through 6 feet of snow. Uphill. Both ways!
10 to the minus 6th power mouthwashes = 1 Microscope