Chapter 13. Troubleshooting Bandwidth and Delay Problems

In this chapter we have the following recipes:

  • Measuring total bandwidth on a communication link
  • Measuring bandwidth and throughput per user and per application over a network connection
  • Monitoring jitter and delay using Wireshark
  • Discovering delay/jitter-related application problems

Introduction

When measuring communication lines, there are four major parameters that we should be aware of: bandwidth, delay, jitter, and packet loss. While there are applications that require high bandwidth, there are other applications that are more sensitive to delay and jitter. Packet loss can influence all types of applications, but there are applications that are more sensitive to it and some that are less. ...

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