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Reliable Computing in Heterogeneous Networks: A Review Report

Reliable Computing in Heterogeneous Networks: A Review Report
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Author(s): R. B. Patel (M. M. Engineering College, India) and Vijay Athavale (JIET, India)
Copyright: 2009
Pages: 17
Source title: Handbook of Research in Mobile Business, Second Edition: Technical, Methodological and Social Perspectives
Source Author(s)/Editor(s): Bhuvan Unhelkar (University of Western Sydney, Australia)
DOI: 10.4018/978-1-60566-156-8.ch038

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Abstract

Mobile computing extends the horizons of conventional computing model to a ubiquitous computing environment that serves users at anytime, anywhere. Most distributed applications and services were designed with the assumption that the terminals were powerful, stationary, and connected to fixed networks. One of the biggest challenges in future application development is device heterogeneity. In the future, users expect to see a rich variety of computing devices that can run applications. These devices have different capabilities in processors, memory, networking, screen sizes, input methods, and software libraries. We also expect that future users are likely to own many types of devices. Depending on users changing situations and environments, they may choose to switch from one type of device, to another that brings the best combination of application functionality and device mobility. Applications, middleware, and systems can be measured in a variety of dimensions, including usability, distributability, integration, conformance to standards, extensibility, internationalizability, manageability, performance, portability, scalability reliability-fault tolerance, and security. The authors call these pervasive attributes, since they can apply to the system as a whole, not just to the system’s components. Mobility brings additional uncertainties, as well as opportunities to provide new services and supplementary information to users in the locations where they find themselves. In general, most application software, operating systems, and network frameworks are intended for more conventional environments, and so the mobile, wireless user has great difficulty exploiting the computational framework as fully as he/she might. There is an emerging consensus among researchers that a new architecture and dynamic framework is an appropriate way to address above problems. This report presents a prototype for secure and reliable computing that will address above issues and can both assist developers to build multi-platform applications that can run on heterogeneous devices and allow a user to move/migrate a running application among heterogeneous devices might be among different networks.

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