省级外网气象大数据服务平台研究与实现

Research and Implementation of Provincial Meteorological Big Data Service Platform Based on Extranet

随着社会经济发展,气象大数据已成为国家大数据基础性战略资源的重要组成部分。然而各省市集约化气象大数据环境均建设于气象业务内网,面向社会的气象数据服务则存在集约化程度低、时效性差、数据量少、安全隐患多等问题,因此,建立外网环境的统一、高效、安全的气象大数据中心是气象业务社会化服务发展的迫切需求。本文建立了外网气象大数据服务平台,采用GoldenGate和sersync+rsync技术实现内网与DMZ区(Demilitarized Zone,两个防火墙之间区域)实时稳定的触发式秒级数据同步;跨平台、多语言开发,标准化调用的统一访问接口设计,可实现高并发、稳定的数据响应请求;分时分类的用户数据访问控制,可实现数据权限的安全控制。该平台通过防火墙双网段控制,向互联网环境用户提供高效、安全、权威的气象大数据服务。

With the development of the social economy,meteorological big data are an important part of national big data basic strategic resources.However,the existing provincial and municipal intensive meteorological big data environment is built in the meteorological business intranet,while the societyoriented meteorological data service has some problems,such as the low degree of intensification,poor timeliness,less data,and high security risks.Therefore,the establishment of a unified,efficient and safe meteorological big data center for the external network environment is an urgent demand for the development of meteorological service socialization.The meteorological big data service platform adopts GoldenGate and sersync+rsync technology to realize the real-time and stable triggering second-level data synchronization between intranet and DMZ area.The unified access interface design of cross platform,multi-language development,and standardized call allows to achieve the high concurrency and stable data response requests,and time-sharing classification of user data access control allows to achieve the security control of data permissions.The platform provides efficient,safe and authoritative meteorological big data services to Internet users through the dual network control of firewall.