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TCP Window Scaling

Explore the concept of TCP window scaling to understand how it addresses bandwidth limitations imposed by the original 16-bit window size. Learn how this extension allows larger windows, improves throughput, and enhances network utilization in modern high-speed networks.

Problem: Small Windows Result in Inefficient Use of Bandwidth

From a performance point of view, one of the main limitations of the original TCP design is that the 16-bit window size header limits the TCP receive window size to 2162^{16} bytes i.e., 65,53565,535 ...