This covers one sub section - TCP vs UDP. It contains a description of where the two protocols are the same and different. Examples include their usage, difference in their protocols, and header size.

Added myself as a contributor.
TCP vs UDP Subsection - Rewrite #1.
Rewrite #2. All pull request comments addressed. Thanks.
adding details on filming ops school videos
capitalising titles
where videos will be published
typos
Merge pull request #135 from avleen/contributions

adding details on filming ops school videos
merge
fixing a few typos
Merge pull request #136 from avleen/netwworking_101

fixing a few typos