Describing cloud applications architectures

Authors:
Everton Cavalcante;Ana Luisa Medeiros;Thais Batista
Affiliations:
DIMAp --- Department of Informatics and Applied Mathematics, UFRN --- Federal University of Rio Grande do Norte, Natal, Brazil;DIMAp --- Department of Informatics and Applied Mathematics, UFRN --- Federal University of Rio Grande do Norte, Natal, Brazil;DIMAp --- Department of Informatics and Applied Mathematics, UFRN --- Federal University of Rio Grande do Norte, Natal, Brazil
Venue:
ECSA'13 Proceedings of the 7th European conference on Software Architecture
Year:
2013

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Abstract

The architecture of cloud applications differs from traditional software architectures mainly regarding their basic architectural elements, the services, the metadata about the services for expressing information related to quality parameters and pricing models, and the constraints over the applications and the used services. This paper presents Cloud-ADL, a seamless extension of the ACME ADL to support the architectural representation of cloud applications by relying on the existing ACME abstractions. In addition, it defines contracts to modularly encapsulate typical contract information of cloud applications, such as quality parameters, pricing model of the services, and constraints. Finally, Cloud-ADL also supports the dynamic reconfiguration of cloud applications through programmed changes, which can be foreseen at design time and specified at the ADL level.