Source: http://news.com.com/2100-1001-985221.html?tag=fd_top
Well knows there’s a study to confirm what most of us already know. Linux has a kick ass implementation of TCP/IP.

"The open-source implementation of TCP/IP in the Linux kernel clearly exhibits a higher code quality than commercial implementations in general-purpose operating systems," the company said in a report released last week. Reasoning also compared the code with that used in two special-purpose networking products and found it superior to one of them"