Fault-Tolerant Protocols Using Aspect Orientation

Fault-Tolerant Protocols Using Aspect Orientation

Vincenzo De Florio (PATS Research Group, University of Antwerp and iMinds, Belgium)
Copyright: © 2009 |Pages: 8
DOI: 10.4018/978-1-60566-182-7.ch007
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Abstract

This chapter resumes our survey of application-level fault-tolerance protocols considering approaches based on aspect-oriented programming. Aspect-compliant programming languages allow a source code to be regarded as a pliable web that the designer can weave so as to specialize or optimize towards a certain goal without having to recode it. This useful property keeps concerns separated, bounds complexity, and enhances maintainability. Aspect programs may be used for different objectives, including non-functional properties such as dependability. To date, it is not known whether aspect-orientation will actually provide satisfactory solutions for fault-tolerance in the application layer. Some researchers believe this is not the case (Kienzle & Guerraou, 2002)—at least for some fault-tolerance paradigm. Some preliminary studies have been carried out (for instance in (Lippert & Videira Lopes, 2000)), but no definitive word has been said on the matter. It is our belief that, at least for some paradigms, aspects may reveal themselves as invaluable tools to engineer the application-level of fault-tolerance services. For this reason their approach is described in this chapter.
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Introduction And Objectives

This chapter resumes our survey of application-level fault-tolerance protocols considering approaches based on aspect-oriented programming.

Aspect-compliant programming languages allow a source code to be regarded as a pliable web that the designer can weave so as to specialize or optimize towards a certain goal without having to recode it. This useful property keeps concerns separated, bounds complexity, and enhances maintainability. Aspect programs may be used for different objectives, including non-functional properties such as dependability. To date, it is not known whether aspect-orientation will actually provide satisfactory solutions for fault-tolerance in the application layer. Some researchers believe this is not the case (Kienzle & Guerraou, 2002)—at least for some fault-tolerance paradigm. Some preliminary studies have been carried out (for instance in (Lippert & Videira Lopes, 2000)), but no definitive word has been said on the matter. It is our belief that, at least for some paradigms, aspects may reveal themselves as invaluable tools to engineer the application-level of fault-tolerance services. For this reason their approach is described in this chapter.

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Table of Contents
Acknowledgment
Chapter 1
Vincenzo De Florio
The general objective of this chapter is to introduce the basic concepts and terminology of the domain of dependability. Concepts such as... Sample PDF
Dependability and Fault-Tolerance: Basic Concepts and Terminology
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Chapter 2
Vincenzo De Florio
After having described the main characteristics of dependability and fault-tolerance, it is analyzed here in more detail what it means that a... Sample PDF
Fault-Tolerant Software: Basic Concepts and Terminology
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Chapter 3
Vincenzo De Florio
This chapter discusses two large classes of fault-tolerance protocols: • Single-version protocols, that is, methods that use a non-distributed... Sample PDF
Fault-Tolerant Protocols Using Single- and Multiple-Version Software Fault-Tolerance
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Chapter 4
Vincenzo De Florio
In this chapter our survey of methods and structures for application-level fault-tolerance continues, getting closer to the programming language... Sample PDF
Fault-Tolerant Protocols Using Compilers and Translators
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Chapter 5
Vincenzo De Florio
The programming language itself is the focus of this chapter: Fault-tolerance is not embedded in the program (as it is the case e.g. for... Sample PDF
Fault-Tolerant Protocols Using Fault-Tolerance Programming Languages
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Chapter 6
Vincenzo De Florio
After having discussed the general approach of fault-tolerance languages and their main features, the focus is now set on one particular case: The... Sample PDF
The Recovery Language Approach
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Chapter 7
Vincenzo De Florio
This chapter resumes our survey of application-level fault-tolerance protocols considering approaches based on aspect-oriented programming.... Sample PDF
Fault-Tolerant Protocols Using Aspect Orientation
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Chapter 8
Vincenzo De Florio
Failure detection is a fundamental building block to develop fault-tolerant distributed systems. Accurate failure detection in asynchronous systems... Sample PDF
Failure Detection Protocols in the Application Layer
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Chapter 9
Hybrid Approaches  (pages 275-300)
Vincenzo De Florio
This chapter describes some hybrid approaches for application-level software fault-tolerance. All the approaches reported in the rest of this... Sample PDF
Hybrid Approaches
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Chapter 10
Vincenzo De Florio
As mentioned in Chapter I, a service’s dependability must be justified in a quantitative way and proved through extensive on-field testing and fault... Sample PDF
Measuring and Assessing Tools
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Chapter 11
Conclusion  (pages 326-349)
Vincenzo De Florio
We have reached the end of our discussion about application-level fault-tolerance protocols, which were defined as the methods, architectures, and... Sample PDF
Conclusion
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