TCP Receive Window Scaling. The ability to increase the receive window would be meaningless without window scaling. On its own, TCP allows a window size of only 64 KB. Operating systems back through Windows XP use this as their default value on fast links. The window scaling option is a way for window sizes to scale to megabytes and beyond. Windows Vista/7. Vista and 7 will use up to a 16 MB maximum receive window, 8 and 10 can theoretically support up to 1G. These varieties support an advanced TCP congestion control algorithm called "Compound TCP (CTCP)", which is similar to cubic on Linux. I would like to know the basics of TCP Window scaling. If my scaling factor is more, then the window sizes are reduced. Is this a beneficial factor? And also what determines my Window size, when the TCP Window scaling factor is enabled? In this video we take a look at the TCP Receive Window. We'll analyze an example of a client's window that goes to zero, halting the transfer of data from a server. In another video, we will take Description of Windows 2000 and Windows Server 2003 TCP Features. Content provided by Microsoft. The TCP receive window size is the amount of receive data (in bytes) that can be buffered during a connection. TCP window scale is an option used to increase the maximum window how to calculate the MSS in wireshark when the window scaling option is set? the Window Scale option scales the TCP window size, not the maximum segment size. The maximum segment size should be set appropriately for the network path between the two endpoints, so that no segment has to be Now if the receiver's receive window size is smaller, even after setting up window scaling option the sender can only send maximum data size equal to the receive window size configured at the receiver end. Hence we need to modify the receive window size to a bigger maximum value. How do I disable TCP Window Scaling? Ask Question 4. 2. Is there a better or perhaps more user specific w