NDLI: Variations on Using Propagation Cost to Measure Architecture Modifiability Properties

Content Provider	IEEE Xplore Digital Library
Author	Nord, R.L. Ozkaya, I. Sangwan, R.S. Delange, J. Gonzalez, M. Kruchten, P.
Copyright Year	2013
Description	Author affiliation: Software Eng. Inst., Carnegie Mellon Univ., Pittsburgh, PA, USA (Nord, R.L.; Ozkaya, I.; Sangwan, R.S.; Delange, J.) \|\| Electr. & Comput. Eng., Univ. of British Columbia, Vancouver, BC, Canada (Gonzalez, M.; Kruchten, P.)
Abstract	Tools available for measuring the modifiability or impact of change of a system through its architecture typically use structural metrics. These metrics take into account dependencies among the different elements of a system. However, they fail to capture the semantics of an architectural transformation necessary to control the complexity and cost of making changes. To highlight such limitations, this paper presents a study where we applied a representative structural metric, called 'propagation cost', to archetypical architectural transformations known to affect system modifiability such as rearchitecting a tightly coupled system to a layered pattern. We observe that in its original form the propagation cost metric does not provide consistent indications of architecture health. Enhancing this metric based on the semantics of the architectural pattern and tactics used in the transformation show improvements. Our results demonstrate that these enhancements detect modifiability properties that are not detectable by the propagation cost metric.
Starting Page	400
Ending Page	403
File Size	195497
Page Count	4
File Format	PDF
ISBN	9780769549811
ISSN	10636773
DOI	10.1109/ICSM.2013.57
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-09-22
Publisher Place	Netherlands
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Measurement Computer architecture Semantics Software Software engineering Stability analysis Couplings dependency analysis software architecture modifiability propagation cost stability change propagation
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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