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StatusDiese Publikation wird noch veröffentlicht.
AutorenAlexander Pokahr, Lars Braubach
TitelTowards Elastic Component-based Cloud Applications
Publiziert in8th International Symposium on Intelligent Distributed Computing (IDC-2014)
VerlagSpringer Berlin, Heidelberg
ZusammenfassungIn the context of cloud computing, elasticity refers to the capability of an application to automatically adapt its resource consumption to the current demand, i.e. scale out or scale in as the load increases or decreases. Today's platform-as-a-service (PaaS) cloud solutions are strongly biased towards typical client/server, web-based applications. The provided runtime environments and services are thus only of limited help for building traditional business applications. In this paper, a vision of elastic component-based applications is presented that is aimed at supporting elasticity for arbitrary application designs. This vision is supported by a component-based programming model for allowing developers to specify application functionality in a cloud-enabled way and a runtime environment that supports the specification and automatic management of non-functional attributes, such as application response times. For both areas, the programming model as well as the management of non-functional attributes, the paper presents the challenges, an approach for realizing the ultimate vision, as well as our initial results.
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