Review 24207

C. Thomas Tyler
Corrected misinformation in comments related to net.tcpsize
configurable, and tweaked logic slightly.

Added net.autotune=1 setting.

Added more info in README and changed format to Markdown.

#review @nick_poole
#4: Change 24587 committed into //guest/perforce_software/sdp/dev/Server 3 1 1
Tip: Use n and p to cycle through the changes.