This report provides a detailed analysis of cloud computing solutions for the Department of Spatial Information (DSI), focusing on the Online Spatial Delivery System (OSDS). It examines the role of Infrastructure-as-a-Service (IaaS), its advantages (cost savings, scalability) and disadvantages (security, flexibility) within the DSI context. The report further explores the features of the OSDS, the possible architectures like microservices architecture (MA), and compares monolithic versus microservice architectures. The report also suggests a cloud edge solution for the OSDS. It offers recommendations for the DSI, including the adoption of MA to improve IT infrastructure and security, and concludes with a summary of the findings. References are also provided.
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