# TCP Header **URL:** https://forum.networklessons.com/t/tcp-header/1275 **Category:** Lessons Discussion **Created:** [December 29, 2016, 7:58pm UTC](https://forum.networklessons.com/t/tcp-header/1275 "2016-12-29T19:58:28Z") **Posts on this page:** 1 **Showing post:** 58
### Author: ![lagapidis](https://cdn-forum.networklessons.com/user_avatar/forum.networklessons.com/lagapidis/32/4949_2.png) [@lagapidis](https://forum.networklessons.com/u/lagapidis) #### Post date: [January 12, 2022, 5:46am UTC](https://forum.networklessons.com/t/tcp-header/1275/58 "2022-01-12T05:46:42Z")
Hello Imran Take a look at this post which shows the process in a little more detail. If you have any specific questions, let us know! > [@TCP Window Size Scaling](https://forum.networklessons.com/t/tcp-window-size-scaling/1276/22): > > Hello Azm Yes, these numbers can be confusing. Here is an attempt to clarify these parameters: The first thing to keep in mind is that in any TCP communication, there are actually TWO sequence numbers and TWO acknowledgement numbers: those of each party in the exchange of data. For the sake of this example, and for the diagram below, let’s call these SNL and SNR for Sequence Number Left and Sequence Number Right for the left and right hosts. Similarly, the acknowledgement numbers will be ca… I hope this has been helpful! Laz --- _[View the full topic](https://forum.networklessons.com/t/tcp-header/1275)._