Selective Database Replication in unstable Environments
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Cloud based systems like SaaS offer many advantages, as long as the internet connection is fast and stable. This study focus on this disadvantage and introduces a on-premise server solution, focusing on the database, where data is synced to and from a cloud back-end. The study have successfully developed and implemented an algorithm, allowing for selective one-way sync, and to only use necessary bandwidth where the term necessary has shifted into meaning quite little . The selective one-way sync functions exactly as the requirement specification suggest, keeping data from getting into wrong hands. A sample software solution have been implemented as a "proof-of-concept", utilizing features like message queues for scalability. The implemented solution requires scarce resources, making it a good fit for commodity hardware as well as cloud-scale environments.