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4min chapter
TCP & UDP
Go Time: Golang, Software Engineering
The Head of Line Blocking Problem
If you have multiple files that you're trying to load at the same time, if one of those files is like taking a long time to process or whatever inside the HTTP application code, it will block anything else coming through. With UDP, since there is no inherent ordering of those packets themselves, if you get that smaller packet earlier, you can just go and process it. You don't have to read everything in the order that the initiator sent it. That's the head of line blocking problem that usually people run into on shaky networks.
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