TCP vs UDP on video stream

Question

I just came home from my exam in network-programming, and one of the question they asked us was \"If you are going to stream video, would you use TCP or UDP? Give an

Answer 1

All the 'use UDP' answers assume an open network and 'stuff it as much as you can' approach. Good for old-style closed-garden dedicated audio/video networks, which are a vanishing sort.

In the actual world, your transmission will go through firewalls (that will drop multicast and sometimes udp), the network is shared with others more important ($$$) apps, so you want to punish abusers with window scaling.