For 69 views in the first day, 2 up-votes within 2 days, it's a shame that this was closed.
What are the commonly used protocols that sit atop TCP/IP and UDP/IP?
My list includes HTTP and BitTorrent. I know those are popular, what I am curious is what other protocols are very common.
I am working with an internet filter. It would be extremely useful to know what I am dealing with. Empirical Data.
UPDATE: I was investigating the need for deep packet scanning because my google insights for search showed a huge drop-off in peer 2 peer related searches: e.g IRC, eMule, SoulSeek, etc.
ANSWER: Since this question is closed, I will attempt to answer it.
Sandvine has a cool report (registration required). It is from 2010.