IT technical memo of networking

Network Survey

In-flight Wi-Fi is how convenient? Measure rhe throughput.

Airplane in-flight WiFi introduced on some planes. It is a wonderful function to overturn the common sense that it is impossible to use a device that emits radio waves while traveling on an airplane and it can not be contacted with the gro…

Trends of Ping response time to Tokyo in a move by Shinkansen from Sendai to Tokyo

One of the tools of network engineers, Ping. Ping is used in network reachability validation to the target device, in it, Ping response time (Latency) from the target device is also included. When the Ping response delay (Latency) is incre…

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Sorry if my English sentences are incorrect.