NACK vs. ACK? When to use one over the other one?
Jan 12, 2016 · 24 Personally I don't even feel that there is a need for ACK. It's faster if we just send NACK (n) for the lost packets instead of sending an ACK for each received packet. So when/which …
Wireshark filter for specific SYN packet which never received a SYN/ACK
Nov 17, 2023 · Is there a way in wireshark to find out a single SYN that does not get answered by SYN/ACK?
Why do I see a RST, ACK packet instead of a RST packet?
Why do you think there should be a RST segment before RST/ACK? Maybe you could provide an example of such a packet trace?
What does TCP DUP ACK mean? - Network Engineering Stack Exchange
Jan 29, 2017 · In Wireshark, I see TCP duplicate ACK packets sent from the receiver to the sender. What does it mean? Does it imply packet loss? Thank you
Why need Ack flag if we already have ack number in TCP
Mar 19, 2022 · The ACK flag indicates that the Acknowledgment Number field is significant, ie. containing a meaningful value. When a socket connection has already been established that is …
For TCP, what is the justification that ACKs are Last Byte Received + 1 ...
Jun 9, 2022 · Intuitively, it makes more sense that the ACK be the last byte received. Essentially, the receiving end says. I have received up to N bytes Then, the sender will receive that ACK that says N …
Window Size and ACK Number - Network Engineering Stack Exchange
Copy-pasting from my lecturer's slides: • Receiver indicates the window size is 3000 • Transfer goes ahead • Acknowledge every 3000 bytes • Receiver increases window size to 4000 • 4000 bytes ...
TCP and Go-Back-N - Network Engineering Stack Exchange
1.TCP :cumulative ack for the last correctively received, in-order seg 2.cumulative and correctly received but out-of-order segs are not individually acked ⇒ TCP sender need only maintain SendBase and …
networking - Why are TCP keep-alive messages sent with an already …
4 when TCP receives a duplicate segment (as determined by the sequence number), it sends an ACK with the next expected sequence number and then drops the duplicate packet. Why this generally …
TCP Fast Retransmit and duplicated acknowledgements Ask
May 9, 2018 · I can't claim i know the exact reasons it is that specific number without some research, but i would think this is taking into account long distant network connections and how they behave. TCP …