Dynamic and Quantitative Method of Analyzing Service Consistency Evolution Based on Extended Hierarchical Finite State Automata
Fan, Linjun (National University of Defense Technology. Science and Technology on Information Systems Engineering Laboratory)
Tang, Jun (Universitat Autònoma de Barcelona. Departament de Telecomunicació i Enginyeria de Sistemes)
Ling, Yunxiang (National University of Defense Technology. Science and Technology on Information Systems Engineering Laboratory)
Li, Benxian (Police Officer College of Chinese Armed Police Force. Department of Management Science and Engineering)

Data:	2014
Resum:	This paper is concerned with the dynamic evolution analysis and quantitative measurement of primary factors that cause service inconsistency in service-oriented distributed simulation applications (SODSA). Traditional methods are mostly qualitative and empirical, and they do not consider the dynamic disturbances among factors in service's evolution behaviors such as producing, publishing, calling, and maintenance. Moreover, SODSA are rapidly evolving in terms of large-scale, reusable, compositional, pervasive, and flexible features, which presents difficulties in the usage of traditional analysis methods. To resolve these problems, a novel dynamic evolution model extended hierarchical service-finite state automata (EHS-FSA) is constructed based on finite state automata (FSA), which formally depict overall changing processes of service consistency states. And also the service consistency evolution algorithms (SCEAs) based on EHS-FSA are developed to quantitatively assess these impact factors. Experimental results show that the bad reusability (17. 93% on average) is the biggest influential factor, the noncomposition of atomic services (13. 12%) is the second biggest one, and the service version's confusion (1. 2%) is the smallest one. Compared with previous qualitative analysis, SCEAs present good effectiveness and feasibility. This research can guide the engineers of service consistency technologies toward obtaining a higher level of consistency in SODSA.
Drets:	Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original.
Llengua:	Anglès
Document:	Article ; recerca ; Versió publicada
Publicat a:	The Scientific World Journal, Vol. 2014 (January 2014) , art. 793271, ISSN 1537-744X

DOI: 10.1155/2014/793271
PMID: 24772033

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