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SERVICE-MICROSERVICE BASIC SYSTEM ARCHITECTURE MODEL FOR GEOINFORMATION CENTRES
Abstract
Establishment of geoinformation centers (GIC) that integrate data produced by various sources in the field of earth sciences intensified in the past decade, driven mainly by the advances in big data technologies. We present results of our studies on several leading national and quasi-national GIC, that we made with intent to extract a basic model of system architecture. Our notion was that such model would allow easier reuse of good practices when a new GIC is planned or when an existing one is optimized, and will help to improve interoperability between various centers. Results of our comparative analysis are presented and a classification based on the applied governance model is proposed. That classification and the concepts of service and microservice are used for development of a basic system architecture model for GIC. It is presented in text and using standard formalized graphical modeling tools and a methodology for modifying the basic model is introduced. The methodology is employed in the system architecture development process of the National GIC of Bulgaria ? a state sponsored national science infrastructure. The architecture of the National GIC of Bulgaria is provided as illustrative case study, with some of the key concepts and decisions behind them presented with details.
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