Scalability Assessment of Microservice Architecture Deployment Configurations: A Domain-based Approach Leveraging Operational Profiles and Load Tests

•Scalability testing approach for microservices based on operational profiles.•Domain-based metric for comparing scalability of architecture deployment alternatives.•PPTAM framework implementing the approach and the metric for production environments.•Lab experiments to analyze the sensitivity of the Domain-based metric.•Application of the approach and metric for scalability and security assessment.