spiral pattern Advantages : Good especially for large and complex software development projects Well suited for high-risk projects Reduces many risk factors Disadvantages : Can be expensive, especially for software development Not the best choice for low-risk projects This model is considered the most flexible of all SDLC models. The spiral model is a combination of waterfall models and prototypes and is especially useful for large, expensive and otherwise complicated projects. Although the model takes time and money to reach the final product, it allows developers to get started early in the software development lifecycle.
Also, because it allows problems to be Real Estate Photo Editing discovered early, the spiral model allows budgets and schedules to be more realistic. Big Bang Model Advantages : Simple and easy to implement Requires very little or almost no planning Great flexibility Disadvantages : Not the best choice for high-risk projects Poor diet model in progress or long-term projects The Big Bang model is perfect if you use outsourced software development companies. planning time and no specific process, so most of the resources will be used for development.