https://www.youtube.com/watch?v=4IMc3CaMhyY&list=PLowKtXNTBypH19whXTVoG3oKSuOcw_XeW&index=12
https://www.youtube.com/watch?v=F27PLin3TV0
#TCP
- Bytestream service
- Once connection is established, the sender can just send a stream of data.
- Connection-oriented
- Reliable
#UDP
Subnetting