TCP Window Scaling Part 1

TCP Window Scaling

This function is used to make the tcp transition more faster.
Ordinary, Window Flow Control has the size of window, from 0 to 65535 (byte).
That is caused by window size field of tcp header format.
Window scaling fileld of tcp header format make the window size increase by shifting the value of window size.
Window size is calculated as below.

Windows size : 65535 (0-65535)
Scale : 3 (0-14)

Window Size = "Window size" × 2^"Scale"
= 65535×2^3
= 524280

タグ：window scale TCP