This is in large part because programs are usually too big and too. Here are a few links that discuss what it means to be robust in terms of software. Robustness can encompass many areas of computer science, such as robust programming, robust machine learning, and robust security network. Genichi taguchi, greatly improves engineering productivity. Software development processes need to incorporate specific methods to increase the different aspects of quality. In robust boundary value testing, we make combinations in such a way that some of.
Reliability and robustness are two very different things. This paper presents key concepts associated with process robustness, defines common terms, details a methodical approach to robust process development, and discusses tools and metrics that can be used during development or for ongoing process monitoring. By consciously considering the noise factors environmental variation during the products usage, manufacturing variation, and component deterioration and the cost of failure in the field the robust design method helps ensure customer satisfaction. Not greatly influenced by errors in assumptions about the distribution of sample errors.
Code robustness characterizes how easy or hard it is to introduce a bug in the code. For instance, what would be the main design considerations or what would be the definition of the terms when looking at engineering problems. A robust program differs from a non robust, or fragile, program by its adherence to the following four principles paranoia. What is the difference between fault tolerance and. In robustness testing, software is tested by giving invalid values as inputs. Dictionary grammar blog school scrabble thesaurus translator quiz more resources more from collins. In computer science, robustness is the ability of a computer system to cope with errors during execution and cope with erroneous input. I would assume that the question is about robustness of software. Applying the unix philosophys rule of composition i.
Foreword this foreword is not a part of ieee std 610. The authors define robust software as a software that works for people. It derives from the latin robustus, meaning strength. Robust pronounced robuhst is an adjective commonly applied in marketing literature to information technology products in several ways. A container is a standard unit of software that packages up code and all its dependencies so the application runs quickly and reliably from one computing environment to another. Robust network design is the study of network design in the face of variable or uncertain demands. It is used to improve software quality and responsive to customer requirements. Robustness vs correctness competition software engineering.
The goal of the program synthesis projects is to use techniques from artificial intelligence and formal methods to raise the level at which users program to the specification level which describes the problem to be solved from the code level which describes how. Gives the standard definition of software reliability engineering, and. Robustness is the ability of a structure to withstand events like fire, explosions, impact or the consequences of human error, without being damaged to an extent disproportionate to the original cause as defined in en 199117 of the accidental actions eurocode. Software reliability electrical and computer engineering. New terms are being generated and new meanings are being adopted for existing terms. The term is typically used in this sense in the marketing of software or computer systems to emphasize a selling point and does not refer to the first three meanings of the term.
It should be noted that this last sense of the term robust is not uniformly accepted in technical circles. Software engineering stack exchange is a question and answer site for professionals, academics, and students working within the systems development life cycle. When used to describe software or computer systems, robustcan describe one or more of several qualities. Robustness robustness is an important topic in the sheet metal forming industry. The robustness strategy is to prevent problems through optimizing product designs and manufacturing process designs. I am trying to understand the difference in the definition of fault tolerance and robustness when it comes to system design. Clearly, the key issue with robust control systems is uncertainty and how the control system can deal with this problem. As you can see from the definition, robustness involves errors. Whenever someone uses your program or library routine, assume they will try to break it. It means, for instance, handling incorrect user input, either malicious or erroneous, handling lack of re. Extreme programming xp is one of the most important software development framework of agile models.
The first step is to define quality in software and. Traditionally, companies have focused on stamping robustness during the manufacturing phase, through their production and quality departments. Robustness definition and meaning collins english dictionary. Not only do we have to check the runtime and inputoutputbehaviour, also sideeffects should be discovered. Software is robust if it can tolerate such problems as unanticipated events, invalid inputs, corrupted internally stored data, improper uses by system operators, unavailable databases, stress overloads and so on. The word robust, when used with regard to computer software, refers to. The definition of robust in mechanical engineering sciforums. Robustness definition of robustness by the free dictionary. English chinese french german hindi italian portuguese spanish. The extreme programming model recommends taking the best practices that have worked well in the past in program development projects to extreme levels. Software engineering is defined as a process of analyzing user requirements and then designing, building, and testing software application which will satisfy those requirements.
What is robustness testing in software engineering answers. The goal of robustness testing is to develop test cases and test environments where a systems robustness can be assessed. I believe it would best be understood with an example. Lets say it is basically a powder mixture which when mixed with some water an. The overall goal of this thesis is to identify gaps in the knowledge and take steps towards improving and creating methods to work with software robustness. Synonyms for robustness at with free online thesaurus, antonyms, and definitions.
Robustness analysis provides an approach to the structuring of problem situations in which uncertainty is high, and where decisions can or must be staged sequentially. On the other hand, you want to have correctness, which basically means the. There are many situations in which these two might be in conflict. From chandraseken98, robust control refers to the control of unknown plants with unknown dynamics subject to unknown disturbances. It also involves a standardized approach to program development, both in its managerial and technical aspects. Full form of sdet is software development engineer in test and heshe takes part in the complete software development process. Robust design method, also called the taguchi method, pioneered by dr. Developers who employ it built software that is robust by design and pay close attention to how software handles unexpected situations. It is one of the most useful properties of feedback. Software design practices that aid bug discovery during the quality control. In computer science, robustness is the ability of a computer system to cope with errors during. We set 1990 as the start date since the formal definition of robustness in software engineering.
Software engineering is a technological discipline that combines the concepts of computer science, economics, communication skills, and management science with the problemsolving approach of engineering. One of the most important points to improve the robustness of our software is to test it. An sdets professionals knowledge is entirely focused on testability, robustness, and performance. If you think there is one universally agreed upon definition of robust here, good luck. This 2005 technical note provides guidance and procedures for performing robustness testing as part of dod or federal acquisition programs that have a software. The word robust, when used with regard to computer software, refers to an operating. Robust programming university of california, davis. Since the existing number of definitions exceeds the scope of the work, only a direct description of the term robustness or the related adjective robust is treated as a definition. Robustness is defined as the degree to which a system operates correctly in the presence of exceptional inputs or stressful environmental conditions.
To identify gaps in the state of knowledge, this thesis rst describes a sys. Robustness testing of softwareintensive systems carnegie. A software is robust, if any exception raised during its execution, in any architecture and with any initial state, is caught by. Its goal is to tackle the problem of developing, maintaining and evolving complex software systems by raising the level of abstraction from source code to models. There can be some synonyms like bombproof or idiotproof.
For instance, robustness can involve resilience under heavy load. I studied engineering and we used the term robust in a more casual parlance when describing something that remains fit for purpose in the face of numerous engineering changes and within a wideranging tolerance. Robustness definition of robustness by medical dictionary. What is the definition of the robustness of a machine learning algorithm. Robust software engineering overview we are the robust software engineering technical area, based in the intelligent systems division at nasas ames research center at moffett field, california. Lets look at the various definitions of software engineering.
In robust boundary value testing, we make combinations in such a way that some of the invalid values are also tested as input. Modeldriven engineering is a software engineering approach that promotes the use of models and transformations as primary artifacts throughout the software development process. Today, modern simulation software allows companies to also address stamping robustness issues during the earlier phases of product and tooling design. Destructive software testing is a type of software testing which attempts to cause a piece of software to fail in an uncontrolled manner, in order to test its robustness. Buildings of some kinds, especially largepanel systems and precast concrete buildings, are disproportionately. For protein structural robustness, see robustness evolution. Our goal is to dramatically increase the reliability and robustness of nasas mission related software, and the productivity of its software engineering, through the research, development, application, and transfer of automated software engineering technology that scales to meet nasas software challenges. Robustness is the ability of the closed loop system to be insensitive to component variations. Robustness testing is usually done to test exception handling.
Specific robustness tests for embedded realtime systems are not included in this report. Robustness is also what make it possible to design feedback system based on strongly simpli. A docker container image is a lightweight, standalone, executable package of software that includes everything needed to run an application. Assume that you have a product called the super cake. The specific focus of robustness analysis is on how the distinction between decisions and plans can be exploited to maintain flexibility. Systems that include both hardware and software are robust if they can tolerate physical problems such as. In other words, companies can now develop the best product designs and the best tool designs for a robust stamping process. The manufacturer of a differential opamplifier used in coin telephones faced the problem of excessive offset voltage due to manufacturing variability. A structure designed and constructed to be robust should not suffer from disproportionate collapse under accidental loading. Robustness is the ability of software to cope with errors during execution. In robustness testing, the software is tested by giving invalid values as inputs.
A software is robust, if any exception raised during its execution, in any architecture and with any initial state, is caught by some exception handler. Robustness is a systems ability to handle abnormal situations eif02. In a sense, robustness in network design is broad just like robustness in software design because of the vast. The definition of robust in mechanical engineering. On this page, the definitions of robustness and robust design, which can be found in the literature, are listed, see table 1. Agreement of program code with specifications independence of the actual application of the software system.
Correctness, reliability, adequacy, learnability, robustness, maintainability, readability, extensibility, testability, efficiency, portability. Explanation and guide april 2005 technical note julie b. Ieee standard glossary of software engineering terminology. Introducing a bug in these definitions means not just an insertion of a bug, but an insertion of a bug that wont be caught during all code quality checks and will go.
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