Acknowledgment Number Ack

The next sequence number the sender of this segment expects.

Where it sits

TCP Segment > Acknowledgment Number

• Open in the explorer — TCP over IPv4, in a protected QoS Data frame, aggregated
• Open in the explorer — TCP over IPv4, in a protected QoS Data frame
• Open in the explorer — TCP over IPv4, in an open QoS Data frame

Accuracy

Clause

RFC 9293 §3.1

Byte order

big-endian — network byte order

Verified

Not verified against the standard. Treat this as a claim, not a fact.