Estado actual de la investigación en requisitos no funcionales

it is generally recognized that nonfunctional requirements are an important and difficult part of the engineering of requirements; and that they play a key role in the development of software products. the objective of this paper is to identify current research on the administration of these requirements. to attain this goal, a systematic review of the literature was carried out. this study identified available empirical studies on the subject. the search was carried out manually and in databases. it identified 1560 articles; 18 of them were empirical high-quality research studies that are relevant for the research question of this review. there was also research on the current concept concerning the benefits and limitations of the methods used in managing these requirements. the review presents research status in five areas: elicitation, dependencies, metrics, cost estimation and prioritization.