A Requirements-Led Approach for Specifying QoS-Aware Service Choreographies: An Experience Report

Abstract

This is the accepted version of the paper.This version of the publication may differ from the final published version. Permanent repository link Abstract. [Context and motivation]Choreographies are a form of service composition in which partner services interact in a global scenario without a single point of control. The absence of an explicitly specified orchestration requires changes to requirements practices to recognize the need to optimize software services choreography and monitoring for satisfaction with system requirements. [Question/problem] We developed a requirements-led approach that aims to provide tools and processes to transform requirements expressed on service-based systems to QoS-aware choreography specifications. [Principal ideas/results] The approach is used by domain experts to specify natural language requirements on a service-based system, and by choreography designers to adapt their models to satisfy requirements more effectively. Non-functional requirements are mapped to BPMN choreography diagrams as quality properties, using the Q4BPMN notation, that support analysis and monitoring facilities.[Contribution] We report the new integrated approach and provide lessons learned from applying it to a real-world example of dynamic taxi management

Process-oriented knowledge management and learning in public administrations

“…This is an elicitation strategy based on collaborative activities. Similarly to Maiden et al (2014), the involved stakeholders describe their daily routine using natural language, reporting critical activities and providing possible improvements. The objective is to capture the knowledge from their stories.…”

Collaborative requirements elicitation in a european research project

“…Academic partners are normally more focused on theoretical aspects, and might be less rigorous and e↵ective while performing practical requirements tasks. However, the combination of the di↵erent mindsets can enable the development of novel and interesting ideas [27]. background: in EU projects partners with di↵erent technical backgrounds have to strongly cooperate since the expected innovation or research results could be based on the intermix of their respective competences.…”

Requirements elicitation and refinement in collaborative research projects

“…Academic partners are normally more focused on theoretical aspects and might be less rigorous and effective while performing practical requirements–related tasks. However, the combination of the different mindsets can enable the development of novel and interesting ideas Background: In EU projects, partners with different technical backgrounds have to strongly cooperate since the expected innovation or research results could be based on the intermix of their respective competences.…”

“…However, the combination of the different mindsets can enable the development of novel and interesting ideas. 31 • Background: In EU projects, partners with different technical backgrounds have to strongly cooperate since the expected innovation or research results could be based on the intermix of their respective competences. These domains imply different backgrounds and vocabularies, and communication might be hampered by both the previous knowledge of the partners and by the different terminology used.…”