WSUG: consistent spelling of acknowledgment
Use "acknowledgment" as we have it in the TCP dissector.
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@ -493,7 +493,7 @@ image::wsug_graphics/ws-tcp-analysis.png[{screenshot-attrs}]
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TCP Analysis flags are added to the TCP protocol tree under “SEQ/ACK
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analysis”. Each flag is described below. Terms such as “next expected
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sequence number” and “next expected acknowledgement number” refer to
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sequence number” and “next expected acknowledgment number” refer to
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the following”:
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// tcp_analyze_seq_info->nextseq
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@ -504,7 +504,7 @@ previous packet in the same TCP flow. Note that this may not be the same
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as the tcp.nxtseq protocol field.
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// tcp_analyze_seq_info->maxseqtobeacked
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Next expected acknowledgement number:: The last-seen sequence number for
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Next expected acknowledgment number:: The last-seen sequence number for
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segments. Set when there are no analysis flags and for zero window probes.
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// tcp_analyze_seq_info->lastack
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@ -519,12 +519,12 @@ that this is not the same as the next expected acknowledgment number.
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[discrete]
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==== TCP ACKed unseen segment
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Set when the expected next acknowledgement number is set for the reverse
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direction and it’s less than the current acknowledgement number.
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Set when the expected next acknowledgment number is set for the reverse
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direction and it’s less than the current acknowledgment number.
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// TCP_A_DUPLICATE_ACK
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[discrete]
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==== TCP Dup ACK __<frame>__#__<acknowledgement number>__
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==== TCP Dup ACK __<frame>__#__<acknowledgment number>__
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Set when all of the following are true:
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@ -543,8 +543,8 @@ Set when all of the following are true:
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* In the forward direction, the segment size is greater than zero or the SYN or FIN is set.
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* The next expected sequence number is greater than the current sequence number.
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* We have more than two duplicate ACKs in the reverse direction.
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* The current sequence number equals the next expected acknowledgement number.
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* We saw the last acknowledgement less than 20ms ago.
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* The current sequence number equals the next expected acknowledgment number.
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* We saw the last acknowledgment less than 20ms ago.
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Supersedes “Out-Of-Order” and “Retransmission”.
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@ -568,7 +568,7 @@ Set when all of the following are true:
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* The segment size is zero.
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* The window size is non-zero and hasn’t changed.
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* The current sequence number is the same as the next expected sequence number.
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* The current acknowledgement number is the same as the last-seen acknowledgement number.
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* The current acknowledgment number is the same as the last-seen acknowledgment number.
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* The most recently seen packet in the reverse direction was a keepalive.
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* The packet is not a SYN, FIN, or RST.
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@ -611,8 +611,8 @@ direction. Set when all of the following are true:
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* The SYN or FIN flag is set.
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* This is not a keepalive packet.
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* The segment length is greater than zero.
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* Data for this flow has been acknowledged. That is, the last-seen acknowledgement number has been set.
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* The next sequence number is less than or equal to the last-seen acknowledgement number.
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* Data for this flow has been acknowledged. That is, the last-seen acknowledgment number has been set.
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* The next sequence number is less than or equal to the last-seen acknowledgment number.
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Supersedes “Fast Retransmission”, “Out-Of-Order”, and “Retransmission”.
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@ -643,7 +643,7 @@ Set when the all of the following are true:
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* The segment size is zero.
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* The window size is non-zero and not equal to the last-seen window size.
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* The sequence number is equal to the next expected sequence number.
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* The acknowledgement number is equal to the last-seen acknowledgement number.
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* The acknowledgment number is equal to the last-seen acknowledgment number.
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* None of SYN, FIN, or RST are set.
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// TCP_A_ZERO_WINDOW
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@ -683,7 +683,7 @@ Set when the all of the following are true:
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* The segment size is zero.
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* The window size is zero.
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* The sequence number is equal to the next expected sequence number.
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* The acknowledgement number is equal to the last-seen acknowledgement number.
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* The acknowledgment number is equal to the last-seen acknowledgment number.
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* The last-seen packet in the reverse direction was a zero window probe.
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Supersedes “TCP Dup ACK”.
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@ -800,13 +800,13 @@ Illustrated” series of books.
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Time Sequence (tcptrace):: Shows TCP metrics similar to the
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http://www.tcptrace.org/[tcptrace] utility, including forward segments,
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acknowledgements, selective acknowledgements, reverse window sizes, and
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acknowledgments, selective acknowledgments, reverse window sizes, and
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zero windows.
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Throughput:: Average throughput and goodput.
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Round Trip Time:: Round trip time vs time or sequence number. RTT is
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based on the acknowledgement timestamp corresponding to a particular
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based on the acknowledgment timestamp corresponding to a particular
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segment.
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Window Scaling:: Window size and outstanding bytes.
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