2.3 Development of Computer Network
Security
With the improvement of computer performance, more data is
stored. Transmitting data among computers became the main
problem affecting the development of the computer. So people
invented the external storage device for data exchange, such as
disk. While there are some limitations, for example, two distant
computers obviously can't exchange through external devices.
Under this background, using cable to connect the computer for
data exchange was put forward. Transmitting data among
computers all over the world is the early concept of computer
draws more and more attention, so data security protection is
important for people. Under this background, improving the
network transport protocol is essential. As the network security
problems appear, redesigning network transmission is put forward.
From the perspective of safety protection and combined with the
actual situation, the purpose is to improve the safety of the
transport protocol. A few IPX/SPX protocols are designed
referenced cell phones and other safety network transmission
protocol, but the use range is relatively small currently.