- Application, Presentation, Session, Transport, Network, Data Link, and Physical.
- Set up, manage, and terminate.
- Flow control, windowing, and acknowledgements.
- TCP and UDP.
- TCP uses a lot of bandwidth on the network and there is a lot of traffic sent back and forth to
set up the connection, even before the data is sent. This all takes up valuable time and
network resources. UDP packets are a lot smaller than TCP packets and they are very useful
if a really reliable connection is not that necessary. Protocols . . .
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