POS保密通讯系统的设计与性能分析

The Design of the POS Cryptographic Communication System and the Performance Analysis

本文讨论了ＰＯＳ系统的软硬件层次结构,介绍了ＰＯＳ监控软件、通讯协议、链路层、通讯保密层的设计与实现方法,并对通讯系统的性能进行了定性的分析,从而使ＰＯＳ通讯系统的设计系统化．

This paper discusses the software and hardware layer structures of the POS system,and presents the designing and realizing method of the POS monitor software,the communication protocol, the link layer, and the communication & cryptographic layer.This paper also qualitatively analyzes the communication perfomance, which systematizes thedesign of the POS communication system