Question: What is SDLC model? What are the most well known SDLC models?

An SDLC model defines implementation of an approach to the project. It defines the various processes, and phases that would be carried out throughout the project to produce the desired output. There are a variety of SDLC models that exist catering to different needs and characteristics of a project. Some are of iterative nature (Prototyping), whereas some are sequential (waterfall). Some of the well known SDLC models are:

• Waterfall Model
• Iterative Model
• Spiral Model
• V-Model
• RAD Model
• Agile Model