Question: Although TCP is a full-duplex protocol, SMTP uses TCP in a half-duplex fashion. The client sends a command and then stops and waits for the

Although TCP is a full-duplex protocol, SMTP uses TCP in a half-duplex fashion.

The client sends a command and then stops and waits for the reply. How can this halfduplex operation fool the TCP slow-start mechanism when the network is running near capacity?

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