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中国科学院, 长春光学精密机械与物理研究所,吉林 长春,130033
收稿日期:2003-01-12,
修回日期:2003-05-24,
网络出版日期:2003-08-15,
纸质出版日期:2003-08-15
移动端阅览
王彦臣, 凌伟, 黄廉卿. 基于Client/Server模式下实现大数据量文件的传输[J]. 光学精密工程, 2003,(4): 400-403
WANG Yan-chen, LING Wei, HUANG Lian-qing. Large file transfer based on Client/Server model[J]. Editorial Office of Optics and Precision Engineering, 2003,(4): 400-403
数字X光影像仪(CR)图像数据每幅高达21MB
需在两套计算机之间进行如此大数据量的传输
以往多使用并口进行传送
数据率仅为500KB/s
不能满足快速传输的要求
为此
将图像采集系统作为客户机
图像处理工作站作为服务器
构成Client/Server(C/S)模式
讨论了分布式结构、Winsock通信机制核心技术
利用VC++编写了通信程序。实验结果表明
采用C/S模式
实现高达21MB的大数据量文件无差错快速传输
仅需2s。
When a CR image up to 21MB is transferred between two computers by parallel ports
the parallel port speed is 500 KB only and cannot meet the fast transfer requirement of the system. Therefore
it is proposed to establish a large file transfer based on Client/Server model. With the information acquirement system defined as client and the post processing system of image defined as server. The distributed system and Winsock architecture are discussed
then the developing process of communication under the environment of Visual C++ is described. As a result
a lager file transfer up to 21 MB can be reliably accomplished in 2 seconds.
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