Download Architecting Dependable Systems II by Rogério de Lemos, Cristina Gacek, Alexander Romanovsky PDF

By Rogério de Lemos, Cristina Gacek, Alexander Romanovsky

ISBN-10: 3540231684

ISBN-13: 9783540231684

ISBN-10: 3540259392

ISBN-13: 9783540259398

As software program platforms turn into ubiquitous, the problems of dependability turn into increasingly more severe. on condition that options to those concerns has to be taken into consideration from the very starting of the layout method, it really is acceptable that dependability is addressed on the architectural point. This book results from an attempt to assemble the examine groups of software program architectures and dependability. encouraged via the ICSE 2003 Workshop on software program Architectures for responsible platforms, the ebook makes a speciality of themes appropriate to bettering the state-of-the-art in architecting liable structures. The 15 completely reviewed papers originate in part from the workshop; others have been solicited with the intention to in achieving whole assurance of all suitable points. The papers are prepared into topical sections on architectures for dependability, fault-tolerance in software program architectures, dependability research in software program architectures, and commercial adventure.

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Finally, we present a first evaluation of the developed architecture and its dynamic control of dependability. 1 Introduction The dependability of today’s complex systems often relies on the employed computers and their software components. Availability, reliability, safety and security (cf. [1]) are the attributes of dependability that are used to describe the required system characteristics. In this paper we only consider the dependability attributes availability and reliability. They can be systematically studied at the level of components and their composition for a given static system architecture by deriving related dependability models which can be quantitatively analyzed (cf.

1 Introduction The dependability of today’s complex systems often relies on the employed computers and their software components. Availability, reliability, safety and security (cf. [1]) are the attributes of dependability that are used to describe the required system characteristics. In this paper we only consider the dependability attributes availability and reliability. They can be systematically studied at the level of components and their composition for a given static system architecture by deriving related dependability models which can be quantitatively analyzed (cf.

The behavior of the architecture and application services depends on a number of parameters. Obviously, the values of most of the relevant parameters change over time and therefore can only be approximated by their expected mean values. A first category of parameters are configurable parameters, which allow to adjust the system behavior to the required bounds: Monitoring period As described in Section 3 the monitor checks periodically, whether all of its monitored service instances are executed.

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Architecting Dependable Systems II by Rogério de Lemos, Cristina Gacek, Alexander Romanovsky


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