Abstract

The design and implementation of distributed real-time systems is often dominated by non-functional considerations like timing, distribution and fault tolerance. As a result, it is increasingly recognized that non-functional requirements should be considered at the earliest stages of system development life cycle. The ability to model non-functional properties (such as timing constraints, availability, performance and security) at the system requirement level not only facilitates the task of moving towards real-time design, but ultimately supports the early detection of errors through automated validation and verification. This paper introduces a novel approach to describe availability features in Use Case Maps (UCM) specifications. The proposed approach relies on a mapping of availability architectural tactics to UCM components. We illustrate the applicability of our approach using the ISSU (In Service Software Upgrade) feature on IP routers.

-- DanielAmyot - 15 Feb 2012

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Title Early Availability Requirements Modeling Using Use Case Maps
Authors J. Hassine
Type Conference
Conference/Journal Title Eighth International Conference on Information Technology: New Generations (ITNG 2011)
Volume/Number
Editors E. Latifi et al.
Publisher IEEE CS
Month April
Year 2011
Pages 754-759
DOI 10.1109/ITNG.2011.133
Keywords ISSU , NFR, Use Case Maps , architectural tactics, availability
Topic revision: r1 - 15 Feb 2012, DanielAmyot
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