Explain and Compare the Following Software Development Methodologies Extensively and Provide Strengths and Weaknesses of Each Software Development Methodology.
Waterfall Software Development Methodology
Spiral Methodology
Agile Software Development Methodology
Rapid Application Development (RAD) Methodology
Lean Development Methodology
The waterfall model is considered to be the oldest DLC method for software development. This model explains the software development process in a linear sequential flow which indicates that the phase in the development process will only be started when the earlier stage is fully completed. There is no way of going back to the earlier step.
Strengths-
It is able to control the wasted efforts
This is better for a team having limited technical experience or ability
It controls the planning overhead
Weakness=
This is quite inflexible
The documentation takes place at the final stage only
Identification of stake is quite difficult.
The spiral model can be seen as an SDLC method that is designed for better risk management and it combines the iterative development process model and waterfall model. This is a risk-driven software development model and it depends on the special risk pattern of a certain project. This model is quite helpful in guiding the team to have different process models such a waterfall, incremental, and so on. Every spiral loop will indicate the phase of the software development process.
Strength=
It provides a greater extent of risk analysis
It I best suited for the larger project
Software I developed in the early stage of SDLC
It does not require perfect design
Weakness=
It is quite costly
It require highly exert team
The risk analysis phase determines the success of the project
It I not suited for the smaller projects
Agile software development is the SDLC model which is based on the iterative development of the software. The development of the software takes place through collaboration between the functional self-managing team.
Strengths=
It is best suited for small to medium projects
It is able to accommodate any change anytime
It is quite good for the dynamic development environment
Weaknesses=
It is not good for large software development
It is quite costly for the stable development environment
It iss assumed that there will be a lot of change in future
Rapid Application Development (RAD) can be seen as an agile software development methodology which gives importance to the prototype release and iterations RAD mainly focuses on the use of the software and feedback from the user in comparison to the planning and requirement recording.
Strengths=
The system is developed quickly
It is cost-effective
Weaknesses=
The focus is on the system mechanism itself
It has a low focus on consistency and design standards
Lean software development is mainly an implementation of lean manufacturing principles and practices in the field of software development. The focus is on a reduced budget, defects and time
Strength-
Reduced waste and time
It results in a simple process
It is quite cost-effective
Weakness=
The success depends on the discipline in the team
Highly customer relation oriented
Explain and Compare the Following Software Development Methodologies Extensively and Provide Strengths and Weaknesses of Each...
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