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The term “Cloud Computing” does not primarily specify new types of core technologies but rather addresses features to do with integration, inter-operability and accessibility. Although not new, virtualization and automation are cor features that characterize Cloud Computing. In this paper, we intend to explore the possibility of integrating cloud services with educational scenarios without re-defining neither the technology nor the usage scenarios from scratch. Our suggestion is based on certain solutions that have already been implemented and tested for specific cases.
The use of Web Services in modern software development is widely accepted and provides (integrated in an according architecture) a fast, flexible and scalable way for the implementation of modern software products. On the other hand, the development of mobile applications, so called apps, becomes more and more important. While using Web Services also from mobile devices is an already accepted scheme in the development of mobile apps, there is not much work done yet for providing Web Services on mobile devices. Therefore, this paper presents a new perspective to Web Services that could be run on mobile devices and, by this, become mobile Web Services.
One of the technical building blocks of Cloud Computing infrastructures are Web Services. With respect to mobile devices their role as Web Service consumers is widely accepted and today a large number of mobile applications already consume Web Services in order to fulfill their task. Still, not much research is conducted, as yet, to allow deploying Web Services on mobile devices and thus uses these kinds of devices as Web Service providers. This paper presents an analysis of one already implemented approach for provisioning mobile Web Services with respect to energy/battery consumption. Here, after shortly presenting the implementation for the provisioning of mobile Web Services an evaluation of the battery consumption that results in using the approach is presented. Last but not least, an improvement with respect to the battery consumption is presented. The performance test shows that the improved approach provides a reasonable way to introduce Web Service provisioning for mobile devices.
Design and Evaluation of a Platform Independent Application for Mobile Access of Moodle Quizzes
(2013)
In jedem Unternehmen gibt es Stellen, an denen es nicht rund läuft. In manchen Organisationseinheiten ist Sand im Getriebe, es knirscht und knackt – schon bereits bei der Zusammenarbeit mit anderen Abteilungen. Was kann man tun?
Eine Möglichkeit besteht darin, ein großes Veränderungsprojekt aufzusetzen und alle Mitarbeiter und Führungskräfte ins kalte Wasser zu werfen.
Doch viele dieser großen Veränderungsprojekte scheitern. Hauptgrund ist, dass Führungskräfte von der Notwendigkeit der Änderungen nicht überzeugt sind.
Die Autoren dieses Buchs haben daher einen anderen Ansatz entwickelt:
Veränderung ja, aber in kleinen, nachhaltigen Schritten. In einem solchen kontinuierlichen Veränderungsprozess geht es darum, nach und nach stabil laufende Prozesse einzuführen bzw. bestehende Prozesse zu optimieren. Mit dieser Methode wird die Akzeptanz der Mitarbeiter erreicht. Sie bietet Führungskräften die Möglichkeit, Veränderungen und Prozesse mitzugestalten und sich im Rahmen ihrer Linienverantwortung gezielt einzubringen.
In recent years a new approach for the dynamic usage of computational power, memory and other
resources comes into play: the Cloud Computing paradigm. This new approach needs to be concerned with
respect to IT Service Management since cloud based infrastructures have to be managed differently from a
usual infrastructure. This paper discusses, based on the IT Infrastructure Library (ITIL), as the de-facto
standard for IT Service Management, what kind of processes needs to be concerned especially if a certain
service should be deployed in the cloud.