Network edge: connection-oriented service
Goal: data transfer between end sys.
handshaking: setup (prepare for) data transfer ahead of time
- set up “state” in two communicating hosts
TCP - Transmission Control Protocol
- Internet’s connection-oriented service
reliable, in-order byte-stream data transfer
- loss: acknowledgements and retransmissions
flow control:
- sender won’t overwhelm receiver
congestion control:
- senders “slow down sending rate” when network congested