中文摘要：

首先介绍了LAMOST观测控制系统和CCD的通信过程；然后详细讨论了如何在MASTER和CCD的应用层添加确认，超时重传，序号等机制，保证信息传输的有序性和正确性，并给出了具体的传输方法；最后给出了测试的结果。

英文摘要：

The Communication between LAMOST observatory control system and CCD is introduced; In order to insure the order and validity of data transmission , confirm technology retransmit-overtime and serial number are added in the application layer of MASTER and CCD and the method was offered; fially the paper gives the result of test.