Learn about the categories of network testing and determine how to apply the right ones to your testing effort.

ICMP Echo, more commonly known as "ping" is not a valid tool for measuring network distance or performance.

More than vendors want to admit, the voice quality of VoIP calls depends on the software in the receiving phone.

Understanding modelers, emulators, and simulators. Choose the right one for your task.

Learn how ARP cache timeouts and leaky VLANS (among other things) create delay, loss, jitter, and more to packets as they traverse the network.