What is the international standard for software lifecycle processes?

The international standard for software lifecycle processes is ISO/IEC 12207. This standard provides a comprehensive framework for software development and maintenance activities, outlining the processes, activities, and tasks necessary throughout the software lifecycle. It covers various phases, including planning, requirements definition, design, implementation, testing, and maintenance, thus ensuring that software products are developed systematically and sustainably.

ISO/IEC 12207 facilitates improved project management, software quality, and product reliability by establishing a common basis for software lifecycle management. This standard is widely recognized and implemented globally, making it essential for organizations aiming to develop quality software consistently.

The other standards mentioned, while relevant to software and system safety or documentation processes, do not specifically address the full spectrum of processes involved in the software lifecycle as comprehensively as ISO/IEC 12207.