2026-07-21 –, Room 1
Finding and counting packet losts in each layer
Packets lost occur in many situations, showing the shape in various layers.
Differences in the number of packets between the passive start tap. (layer1,2)
The same IPID and a different offset as disappearance in the packet buffer in the router processing
Retransmission of TCP segments as a result of a traffic jam.
UDP application works with packet loss.
In this session, you can learn the major case of packet loss and you can find the way to find and count packet loss and retransmissions. Megumi shares the best way to understand invisible packet losses with Wireshark!
Megumi Takeshita, packet otaku, runs a packet company, ikeriri network service in Japan. Ikeriri offers services such as packet analysis for troubleshooting, debugging, security inspection. Ikeriri is also a reseller of wired/wireless capture and analysis products. Megumi has authored 10+ books about Wireshark and packet analysis. She also instructs Wireshark for Japanese companies, including the Japan Self-Defence Forces and Chuo University, as a lecturer. She is one of contributors to the Wireshark projects including Japanese localization.