Proceso de Mantenimiento de Software

About this video

• Video Title: Proceso de Mantenimiento de Software
• Channel: Víctor Rojas
• Speakers: Víctor Rojas
• Duration: 00:06:28

Overview

This video explains the software maintenance process, a crucial stage in the software lifecycle. It defines software maintenance as the evolution or modification of a computerized system after its delivery to correct errors, improve properties, or adapt to environmental changes, thereby extending its useful life. The video also details the four main types of software maintenance according to ISO 14764, outlines the six phases of the maintenance process, and discusses various techniques for software maintenance, illustrated with a practical example.

Key takeaways

• Definition of Software Maintenance: It's the modification of a software system after its delivery to fix bugs, enhance performance, or adapt to new environments, ultimately prolonging its usability.
• Types of Software Maintenance:
  • Corrective Maintenance: Modifies software to fix detected defects or damages.
  • Adaptive Maintenance: Changes software to ensure its usability in a new production environment, often due to technological advancements.
  • Perfective Maintenance: Modifies software to improve its performance and maintainability, often increasing costs.
  • Preventive Maintenance: Detects and corrects latent deficiencies before they cause failures, without altering specifications.
• Phases of Software Maintenance (ISO/IEC 2007): The process involves six phases: Implementation Process, Modification Analysis, Modification Implementation, Maintenance Acceptance and Review, Migration, and Software Retirement.
• Software Maintenance Techniques: Key techniques include Re-engineering (rebuilding a system in a new form, requiring significant resources), Reverse Engineering (analyzing a program to understand its internal design structure), and Software Restructuring (modifying software to make it easier to understand at the same abstraction level).
• Practical Example: The video illustrates the maintenance process with a scenario where a software program stops responding for users, requiring the maintenance team to analyze the problem, update libraries, and notify clients of the solution.