基于消息通知机制的国省数据共享系统的设计与实现

为解决卫星广播传输缺陷及省级用户获取临省实时观测资料和实况分析产品等迫切的业务需求，设计并实现了基于消息通知机制的国省数据共享系统。系统基于RabbitMQ的消息机制进行业务和数据资源的整合及集成，采用多层体系架构，满足基于地面宽带的数据快速有序下载和卫星广播数据补调等国省数据共享需求，支持大容量多种数据的高速传输，支持HTTP、FTP、SFTP等多种数据传输协议。系统已经上线提供服务，实现智能网格、多源融合实况分析等25种气象资料的国省数据共享，月平均共享数据量达6.3 TB，且建立全流程监视，有效保障数据共享的时效性。

Design and Implementation of Provincial Data Sharing System

In order to solve the urgent business needs of CMACast defects and provincial users to obtain provincial real time observation data and gridded real time datasets, the provincial data sharing system based on the message notification mechanism is designed and implemented. The system integrates business and data resources based on the rabbitMQ message mechanism. It adopts multi layer architecture, which can meet national and provincial data sharing needs such as fast and orderly data download based on CMANet and supplementary adjustment of CMACast. It supports high speed transmission of large capacity data, HTTP, FTP, SFTP and other data transmission protocols. The provincial coordination system has been operational, providing provincial meteorological departments 25 kinds of meteorological data with intelligent grid products and multi source real time datasets. The average amount of data shared per month is 6.3 T, and the establishment of full process monitoring to ensure the timeliness of data sharing effectively.