Internet Regulation
Created Wednesday 24 February 2021
Internet And Text
The Internet
Smart Network (circuit switching)
Dumb Network (packet switching)
Our L'il Internet
RULE 1 - Pass this note to the person in the back
RULE 2 - If you can't, then pass it to someone
who is closer to them than you are.
Our L'il Internet
C D B (1/4)
Our L'il Internet
A E E (2/4)
Our L'il Internet
F A E (3/4)
Our L'il Internet
E D F (4/4)
What was sent?
A huge number
(technically, this is DEFINITELY a right answer)
What was sent?
Hex: CDBAEEFAEEDF =
226,202,757,033,695
What was sent?
MAC Address?
Perhaps a computer was identifying itself.
CD:BA:EE:FA:EE:DF
What was sent?
Perhaps, a lovely color scheme...
What was sent?
Music?
What was sent?
Something else?
110011011011101011101110111110101110111011011111
What was sent?
Wait - maybe encrypted?
(badly)
Tricky...
C A F E D E A D B E E F
Obviously, a restaurant recommendation. (Or not.)
Cafe Dead Beef
So, we have...
DIGITIZATION (literally, turning any "data" into a number)
+
PACKET SWITCHING (peer to peer node based network)
ARPANET
Why didn't the American Telegraph and Telephone company invent the Internet?
(somewhat controversial) thoughts on invention
The public sector (schools, defense, NASA, government) etc. is as inventive and as innovative as private companies...
..eh, probably more.
(the internet, GPS, touchscreens, digital photography, water filters, invisible braces etc.)
Diversity of layers (OSI)
Application (HTTP, telnet, etc)
Presentation (framework MIME)
Session (pipe,SOCKS)
Transport (reliable packet delivery, TCP)
Network (nodes and address, IP)
Data (PPP)
Physical (wires, radio, USB)
Diversity of transmission media:
- telephone lines (modem/DSL)
- tv cable
- wireless (802.11)
- satellites
- radio
- lasers (pointless, but true)
- fiber
Diversity of protocols
- telnet
- gopher
- usenet
- email
- irc
- html/www
Backlinks: FSU Courses:LIS5362:RawSlides