The Validation and Verification Model – The V-Model

What is V-Model?

Mostly known as the validation and verification software development process model (The Vee Model), and It is one of the most know software development methodology. Moreover, it is considered as an improvement to the waterfall model and it has some similarities as the process also based on sequential steps moving down in a linear way while it differs from the waterfall model that the steps move upwards after the coding phase, to form the typical V shape that demonstrates the relationships between each phase of the development life cycle and its associated phase of testing.

The V-Model
The V-Model

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Validation and Verification in SDLC

In Software Engineering, we chant the term of validation and verification a lot between the software team members. Actually, it is used across the software project phases and I think there is a misconception in understanding the two terminologies and when to use them.

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Choosing the right Software development life cycle model

Selecting a Software Development Life Cycle (SDLC) methodology is a challenging task for many organizations and software engineers. What tends to make it challenging is the fact that few organizations know what are the criteria to use in selecting a methodology to add value to the organization. Fewer still understand that a methodology might apply to more than one Life Cycle Model. Before considering a framework for selecting a given SDLC methodology, we need to define the different types and illustrate the advantages and disadvantages of those models (please see the Software Development Life Cycle Models and Methodologies).

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Software Development Life Cycle Models and Methodologies

Introduction

Software development life cycle (SDLC) is a series of phases that provide a common understanding of the software building process. How the software will be realized and developed from the business understanding and requirements elicitation phase to convert these business ideas and requirements into functions and features until its usage and operation to achieve the business needs. The good software engineer should have enough knowledge on how to choose the SDLC model based on the project context and the business requirements.

Therefore, it may be required to choose the right SDLC model according to the specific concerns and requirements of the project to ensure its success. I wrote another article on how to choose the right SDLC, you can follow this link for more information. Moreover, to learn more about Software Testing life cycles and SDLC phases you follow the links highlighted here.

In this article, we will explore the different types of SDLC models and the advantages and disadvantages of each one and when to use them.

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