PP Presentation

• Only frames within the window are accepted.
• If we piggyback on the reverse channel and traffic is light ack length will be long. In protocal 5, after MaxSeq frames, the protocol blocks. Protocal 6 sends a NAK to indicate chksum err.
• In either net TCP does the flow control, connections, checkums, ack, timeouts, dup detecting and sequencing.

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