Calculate End-to-End Delay
“The internet seems slow today” “It’s taking forever for the page to load!” “This Zoom call sucks!” The growth of the internet as a central component to our digital lives … Continue Reading Calculate End-to-End Delay
Find TCP Throughput using Sequence Numbers
The network throughput calculation is simply: When using Wireshark, to find the Bytes transferred look at the sequence and acknowledgement fields (when using IPv4). The first packet in the file … Continue Reading Find TCP Throughput using Sequence Numbers
TCP Sequence and Acknowledgement Numbers Explained
TCP Sequence (seq) and Acknowledgement (ack) numbers help enable ordered reliable data transfer for TCP streams. The seq number is sent by the TCP client, indicating how much data has … Continue Reading TCP Sequence and Acknowledgement Numbers Explained
TCP Fin Bit and Seq and Ack Numbers Explained
The client and server are done – they’ve exchanged data and now are ready to close the TCP session…now what ? Well, much like TCP’s handshake protocol to setup a … Continue Reading TCP Fin Bit and Seq and Ack Numbers Explained
TCP Handshake – A Wireshark Review
The TCP 3-way handshake is a foundational concept for the internet – setting up a reliable TCP connection between clients and servers. Another protocol for clients and servers to communicate is … Continue Reading TCP Handshake – A Wireshark Review