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How TCP Works - The Receive Window

What does that Window field in the TCP header do?

Many people ask this question after capturing a trace file with Wireshark. What is the TCP Window? How does it work? How can I use it to troubleshoot performance problems?

We will answer these questions and more in this nine minute video. Check it out!

Note: This video focuses on the TCP Receive window. We will cover the send window in another video.

Author Profile - Chris Greer is a Network Analyst for Packet Pioneer LLC and a Certified Wireshark Network Analyst. Chris regularly assists companies in tracking down the source of network and application performance problems using a variety of protocol analysis and monitoring tools including Wireshark. Chris also delivers training and develops technical content for several analysis vendors. Got network problems? Let's get in touch.

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