PathPing : the forgotten latency tool

Posted on by David Vassallo

One of the biggest network troubleshooting questions has to be “why is my site loading so slow?” (and other related latency questions). A very useful and underutilised tool is built right into the windows OS. This tool is a relative of traceroute and uses ICMP to calculate the latency introduced at different hops along the … Continue reading PathPing : the forgotten latency tool

Identifying network latency / jitter issues w/ Wireshark

Posted on by David Vassallo

Issue : sporadically and randomly clients would see jitter (picture freezing for a small number of seconds) when viewing live video streams such as BBC news To start tackling the above issue it is first important to observe the normal behaviour of the video stream. In BBC’s case, the video stream is using RTMP (port … Continue reading Identifying network latency / jitter issues w/ Wireshark