TCP选项影响

备注下链接
http://bbs.chinaunix.net/thread-1917263-1-1.html
http://hi.baidu.com/malashang/blog/item/a0d7740ae6507d9b0b7b8259.html
http://wenku.baidu.com/view/17ec517c27284b73f24250c3.html
http://wenku.baidu.com/view/5c288b51ad02de80d4d84066.html