Measuring software maintainability is nontrivial as there is no single metric to state if one application is more maintainable than the other and there is no single tool that can analyze your code repository and provide you with an accurate answer either. Presentation about approaches in measuring of software quality. Instead, one can measure maintenance process attributes, such as. One measure of maintainability is time to repair ttr. Now customize the name of a clipboard to store your clips. Collectively, they affect economic lifecycle costs of a system and its utility.
Andrew taylor bsc ma frsa art and engineering in product. Maintainability is a measure of the ease and rapidity with which a system or equipment can be restored to operational status following a failure. We use your linkedin profile and activity data to personalize ads and to show you more relevant ads. The maintainability index is calculated with certain formulae from linesofcode measures, mccabe measures and halstead complexity measures. Ppt evolving a measurement program for systems and. Measuring software maintainability is nontrivial and there exists no single. For managing the software project, measurement has a vital role. Reliability, availability, and maintainability ram are three system attributes that are of tremendous interest to systems engineers, logisticians, and users. Measuring software maintainability quandary peak research. Introduction many resources are spent on software maintenance. Clipping is a handy way to collect important slides you want to go back to later. Evolving a measurement program for systems and software engineering process improvement a free powerpoint ppt presentation displayed as a flash slide show on id.
Software maintenance in software engineering is the modification of a software product after. It is an internal attribute of the system which cannot be measured directly. Reliability, availability, and maintainability the mitre. Product metrics describe the characteristics of the product such as size, complexity, design features, performance, and quality level. In addition, it is difficult to measure software quality attributes, such as maintainability.
Definition of processes ensuring that software development follows the. Reliability, availability, and maintainability sebok. Section 8 concisely reports on external software attributes e. A measurement is an manifestation of the size, quantity, amount or dimension of a particular attributes of a product or process. In software engineering, these activities are known as software maintenance cf.
Software measurement is a titrate impute of a characteristic of a software product or the software process. What is reliability availability maintainability please subscribe for next video thank you if you interesting about maintenance you can see bellow my recomen. Closely related concepts in the software engineering domain are evolvability, modifiability, technical debt, and code smells. Thus, producing software that is easy to maintain may potentially save large costs. The criteria used by these 20% to check for maintainability differed significantly and ranged from objectorientation, cyclomatic. For checking whether the project is on track, users and developers can rely on the measurementbased chart and graph. Efferent outward couplings measure the number of packages the package we are. Software estimation, measurement, and metrics acqnotes. Abstract maintainability and flexibility at the software level are of predominant importance to drive innovation at the business process level.
Stability tests are life tests for integrated hardware and software systems. Maintainability is defined as the ease with which a system can be maintained. How to effectively define and measure maintainability. Ppt quantitative measurements of maintainability i. Nonfunctional requirements nonfunctional requirements. What is reliability availability maintainability youtube. Since maintenance costs eclipse other software engineering. The standard set of measurements and reporting methods are especially important when the software is embedded in a product where the customers are not usually wellversed in software terminology. The focus of this study is to evaluate software maintainability. Measurements of software maintainability semantic scholar. Bass player domotica software architect hardware hacker infrastructure engineer.
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