I’m currently learning about TCP protocol and don’t understand what duplicate acknowledgement are when they will occur. Also doesn’t retransmission only happen when a ACK is not received from the receiver to the client? To work out a retransmission you have to add the round trip time (from 3 way handshake) by the safety margin? … Read more
UDP: Anything where you don’t care too much if you get all data always Tunneling/VPN (lost packets are ok – the tunneled protocol takes care of it) Media streaming (lost frames are ok) Games that don’t care if you get every update Local broadcast mechanisms (same application running on different machines “discovering” each other) TCP: … Read more
You have to go to Control Panel>Programs>Turn Windows features on or off. Then, check “Telnet Client” and save the changes. You might have to wait about a few minutes before the change could take effect.