Once the TCP receiver detects a second duplicate packet, it sends a D-ACK to indicate that no segments were lost, allowing the TCP sender to reinstate the higher transmission rate.

Jul 23, 2025 · TCP-ACK is a third step of the TCP 3-Way Handshake process (SYN, SYN-ACK, ACK). In TCP-ACK, the client acknowledges the response of the Server, and establish a …

Aug 4, 2025 · Learn how the ACK flag enables reliable TCP communication through acknowledgment mechanisms, three-way handshakes, and data transfer confirmation.

Jan 2, 2024 · TCP sequence and acknowledgement numbers are counters used to keep track of every bytes sent and received during the connection. In this article, we will closely examine …

Oct 9, 2025 · TCP flags are various types of flag bits present in the TCP header. Each of them has its own significance. They initiate connections, carry data, and tear down connections. The …

response to data received. Note that an ACK is sent only in response to data or S or F flags; no A We saw earlier that at the connection establishment stage, both TCPs exchange initial …

Mar 18, 2024 · In this tutorial, we learned how to create a TCP connection between a client and server by sending the correct packets to initiate and complete the TCP 3-way handshake.

Jan 15, 2025 · As specified in RFC 1122, TCP uses delayed acknowledgments to reduce the number of packets that are sent on the media. Instead of sending an acknowledgment for …

A TCP endpoint SHOULD implement a delayed ACK (SHLD-18), but an ACK should not be excessively delayed; in particular, the delay MUST be less than 0.5 seconds (MUST-40).

Oct 13, 2025 · The TCP 3-Way Handshake is a process used by the Transmission Control Protocol (TCP) to establish a reliable connection between a client and a server before data …