SATURN 2016

In the domain of Internet of Things connectivity and data processing for medical devices, an ​​enterprise IT project of significant size ​was experiencing problems ​with reliability and performance. Three reviews were performed on this project, in various stages, using the Architecture Tradeoff Analysis Method (ATAM):

1. an existing, old project ​with problems ​​(an architecture grown over the years​)​
2. a reference architecture to be considered as a replacement of the old architecture
3. an implementation architecture that used specific cloud solutions and services

This experience report contains lessons learned from

• translating results of each ATAM into actionable changes in the organization
• deriving technical decisions from each ATAM review
• using ATAM results to help select solution, service, and technology providers
• differences in ​the ATAM for the reference architecture and the ATAM for the specific implementation architecture​

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