Flow Control: what is it and how does it work in OSI Model

Our lives become increasingly convenient since the booming of the computer technology. Since we rely on the computer network more, it is better for us to understand of underlying technologies that provide us with these services.

转眼已经19年了, midterm结束, 一直拖着的找工总结终于有时间写了, 先说点废话:
其实写经验之前还是有点儿犹豫的, 毕竟经验这种东西是私有属性, 每个人的学习方法都不同, 背景也不同。