Book Image

Wireshark Network Security

By : Piyush Verma
Book Image

Wireshark Network Security

By: Piyush Verma

Overview of this book

Table of Contents (14 chapters)
Wireshark Network Security
Credits
About the Author
Acknowledgment
About the Reviewers
www.PacktPub.com
Preface
Index

Chapter 6. Network Performance Analysis

Network uptime and optimum performance are a prime concern for any technician, and the issues that affect it could be one of many numerous issues, and completely depends on the size and complexity of the network under question. These anomalies can include the following, but are not restricted to them:

  • Slow Internet

  • Bottlenecks

  • Loss of packets and/or retransmissions

  • Excessive bandwidth consumption

  • Unexpected BitTorrent traffic

An in-depth understanding of how the network protocols intertwine and work is indispensable to troubleshooting the network for performance issues. For example, if we don't understand TCP's flow and error control mechanism effectively, then we may not be able to efficiently test for TCP-based performance issues.

Many a time, I have had people ask me, "How can Wireshark fix my network issues?" Well, an honest answer to that would be that Wireshark might not always lead you to the root cause of the problem, but it can definitely help you...