Mechanism for managing requirements and quality of IT products

The article examines the relationship between the quality of IT products and requirements management processes that influence development predictability and the performance of software systems. The relevance of the study is determined by the fact that the quality of requirements largely defines the defect rate of software products, the effort required for rework, and the risks associated with project implementation. The study outlines theoretical approaches to understanding IT product quality and clarifies its interpretation as a function of compliance with requirements, user expectations, and development constraints. Based on a literature review, the main groups of requirements (business, user, functional, non-functional, and system requirements related to IT product quality) are identified, and typical issues in their formalization that affect product quality are revealed. The methodological framework of the study is based on theoretical analysis and synthesis of scientific sources, comparative analysis of approaches to requirements engineering, systematization, and theoretical modeling of IT product quality management processes. The research establishes patterns linking the quality of requirements with defect levels, rework intensity, and project implementation risks. The structural components of a mechanism for managing requirements and IT product quality are proposed and described, including subsystems for requirements elicitation, analysis, alignment, and quality control, as well as a supporting tool – a structured product description. A mechanism ensuring end-to-end traceability of requirements and the formation of quality at all stages of the software development lifecycle is developed. The paper concludes with insights into the scientific and practical significance of the mechanism, its universality, and its potential to enhance the efficiency of software development processes.

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