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Hybrid Approaches

Hybrid Approaches

Vincenzo De Florio
Copyright: © 2009 |Pages: 26
ISBN13: 9781605661827|ISBN10: 1605661821|ISBN13 Softcover: 9781616924737|EISBN13: 9781605661834
DOI: 10.4018/978-1-60566-182-7.ch009
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MLA

Vincenzo De Florio. "Hybrid Approaches." Application-Layer Fault-Tolerance Protocols, IGI Global, 2009, pp.275-300. https://doi.org/10.4018/978-1-60566-182-7.ch009

APA

V. De Florio (2009). Hybrid Approaches. IGI Global. https://doi.org/10.4018/978-1-60566-182-7.ch009

Chicago

Vincenzo De Florio. "Hybrid Approaches." In Application-Layer Fault-Tolerance Protocols. Hershey, PA: IGI Global, 2009. https://doi.org/10.4018/978-1-60566-182-7.ch009

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Abstract

This chapter describes some hybrid approaches for application-level software fault-tolerance. All the approaches reported in the rest of this chapter exploit the recovery language approach introduced in Chapter VI and couple it with other tools and paradigms described in other parts of this book. The objective of this chapter is to demonstrate how ReL can serve as a tool to further enhance some of the application- level fault-tolerance paradigms introduced in previous chapters. But why hybrid approaches in the first place? The main reason is that joining two or more concepts and their “system structures” (Randell, 1975), that is, the conceptual and syntactical axioms used in disparate application-level software fault-tolerance provisions, one comes up with a tool with better Syntactical Adequacy (the SA attribute introduced in Chapter II). As already mentioned, a wider syntactical structure can facilitate the expression of our codes, while on the contrary awkward structures often lead to clumsy, buggy applications. Hybrid approaches are often more versatile and can also inspire brand new designs. A drawback of hybrid approaches is that they are modifications of existing designs. The extra design complexity must be carefully added to prevent the introduction if design faults in the architecture.

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