Further reading
Please refer to the following links for more information:
- The TCP three-way handshake is outlined in detail in the original RFC 793 found at https://tools.ietf.org/html/rfc793.
- Read more on SACK by visiting https://packetlife.net/blog/2010/jun/17/tcp-selective-acknowledgments-sack/.
- Read more about how Wireshark helps troubleshoot by providing advanced analysis of the data transfer by visiting https://www.wireshark.org/docs/wsug_html_chunked/ChAdvTCPAnalysis.html.