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List of Software Development Model and Methods

RiantSoft a Software Development Company derived the most useful and different types of Software Development Model for the users who want to know the development process. RiantSoft is specialized in custom software development with latest cutting edge technologies.

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Different Types of Software Development Model
By: RiantSoft
Prepared By: RiantSoft a Software Development Company
List of Software Development Model
There are many software development models and methods are available
in the market. All of this models are mentioned below:
1. Waterfall model
2. V model
3. Incremental model
4. RAD model
5. Agile model
6. Iterative model
7. Spiral model
Prepared By: RiantSoft a Software Development Company
Waterfall Model
Prepared By: RiantSoft a Software Development Company
Waterfall Model
 Simple and easy to understand and use.
 Easy to manage due to the rigidity of the model – each phase has specific
deliverables and a review process.
 Phases are processed and completed one at a time.
 Works well for smaller projects where requirements are very well
understood.
Advantages of Waterfall Model
Disadvantages of Waterfall Model
 Once an application is in the testing stage, it is very difficult to go back and
change something that was not well-thought out in the concept stage.
 No working software is produced until late during the life cycle.
 High amounts of risk and uncertainty.
 Not a good model for complex and object-oriented projects.
 Poor model for long and ongoing projects.
 Not suitable for the projects where requirements are at a moderate to
high risk of changing.
Prepared By: RiantSoft a Software Development Company
V Model
Prepared By: RiantSoft a Software Development Company
V Model
 Simple and easy to use.
 Testing activities like planning, test designing happens well before coding.
This saves a lot of time. Hence higher chance of success over the waterfall
model.
 Proactive defect tracking – that is defects are found at an early stage.
 Avoids the downward flow of the defects.
 Works well for small projects where requirements are easily understood.
Advantages of V Model
Disadvantages of V Model
 Very rigid and less flexible.
 Software is developed during the implementation phase, so no early
prototypes of the software are produced.
 If any changes happen in midway, then the test documents along with
required documents has to be updated.
Prepared By: RiantSoft a Software Development Company

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List of Software Development Model and Methods

  • 1. Different Types of Software Development Model By: RiantSoft Prepared By: RiantSoft a Software Development Company
  • 2. List of Software Development Model There are many software development models and methods are available in the market. All of this models are mentioned below: 1. Waterfall model 2. V model 3. Incremental model 4. RAD model 5. Agile model 6. Iterative model 7. Spiral model Prepared By: RiantSoft a Software Development Company
  • 3. Waterfall Model Prepared By: RiantSoft a Software Development Company
  • 4. Waterfall Model  Simple and easy to understand and use.  Easy to manage due to the rigidity of the model – each phase has specific deliverables and a review process.  Phases are processed and completed one at a time.  Works well for smaller projects where requirements are very well understood. Advantages of Waterfall Model Disadvantages of Waterfall Model  Once an application is in the testing stage, it is very difficult to go back and change something that was not well-thought out in the concept stage.  No working software is produced until late during the life cycle.  High amounts of risk and uncertainty.  Not a good model for complex and object-oriented projects.  Poor model for long and ongoing projects.  Not suitable for the projects where requirements are at a moderate to high risk of changing. Prepared By: RiantSoft a Software Development Company
  • 5. V Model Prepared By: RiantSoft a Software Development Company
  • 6. V Model  Simple and easy to use.  Testing activities like planning, test designing happens well before coding. This saves a lot of time. Hence higher chance of success over the waterfall model.  Proactive defect tracking – that is defects are found at an early stage.  Avoids the downward flow of the defects.  Works well for small projects where requirements are easily understood. Advantages of V Model Disadvantages of V Model  Very rigid and less flexible.  Software is developed during the implementation phase, so no early prototypes of the software are produced.  If any changes happen in midway, then the test documents along with required documents has to be updated. Prepared By: RiantSoft a Software Development Company
  • 7. Incremental Model Prepared By: RiantSoft a Software Development Company
  • 8. Incremental Model  Generates working software quickly and early during the software life cycle.  More flexible – less costly to change scope and requirements.  Easier to test and debug during a smaller iteration.  The customer can respond to each bolt.  Lowers initial delivery cost.  Easier to manage risk because risky pieces are identified and handled during it’d iteration. Advantages of Incremental Model Disadvantages of Incremental Model  Needs good planning and design.  Needs a clear and complete definition of the whole system before it can be broken down and built incrementally.  Total cost is higher than a waterfall. Prepared By: RiantSoft a Software Development Company
  • 9. RAD Model Prepared By: RiantSoft a Software Development Company
  • 10. RAD Model  Reduced development time.  Increases reusability of components  Quick initial reviews occur  Encourages customer feedback  Integration from very beginning solves a lot of integration issues. Advantages of RAD Model Disadvantages of RAD Model  Depends on strong team and individual performances for identifying business requirements.  Only systems that can be modularized can be built using RAD  Requires highly skilled developers/designers.  High dependency on modeling skills Prepared By: RiantSoft a Software Development Company
  • 11. Agile Model Prepared By: RiantSoft a Software Development Company
  • 12. Agile Model  Customer satisfaction by rapid, continuous delivery of useful software.  People and interactions are emphasized rather than process and tools. Working software is delivered frequently (weeks rather than months).  Close, daily cooperation between business people and developers.  Continuous attention to technical excellence and good design.  Regular adaptation to changing circumstances.  Even late changes in requirements are welcomed Advantages of Agile Model Disadvantages of Agile Model  In case of some software deliverables, especially the large ones, it is difficult to assess the effort required at the beginning of the software development life cycle.  There is a lack of emphasis on necessary designing and documentation.  The project can easily get taken off track if the customer representative is not clear what the final outcome that they want. Prepared By: RiantSoft a Software Development Company
  • 13. Iterative Model Prepared By: RiantSoft a Software Development Company
  • 14. Iterative Model  In the iterative model we are building and improving the product step by step. Hence we can track the defects at early stages. This avoids the downward flow of the defects. In the iterative model we can get the reliable user feedback. When presenting sketches and blueprints of the product to users for their feedback, we are effectively asking them to imagine how the product will work. Advantages of Iterative Model Disadvantages of Iterative Model  Each phase of an iteration is rigid with no overlaps  Costly system architecture or design issues may arise because not all requirements are gathered up front for the entire Lifecycle. Prepared By: RiantSoft a Software Development Company
  • 15. Spiral Model Prepared By: RiantSoft a Software Development Company
  • 16. Spiral Model  The high amount of risk analysis, hence avoidance of Risk is enhanced.  Good for large and mission-critical projects.  Strong approval and documentation control.  Additional Functionality can be added at a later date.  Software is produced early in the software life cycle. Advantages of Spiral Model Disadvantages of Spiral Model  Can be a costly model to use.  Risk analysis requires highly specific expertise.  Project’s success is highly dependent on the risk analysis phase.  Doesn’t work well for smaller projects. Prepared By: RiantSoft a Software Development Company
  • 17. About Riant Soft In this Competitive Internet world, everyone wants to design their Software for its business. This all software functionality must solve the user’s need. Many users want new functionalities in their Software and Developer must provide this functionality in that software. A Buyer must choose Software Development Company or Agency that fulfills the clients all requirements and develop Best, Robust and Errorless Software for the Client. Riant Soft a Software Development Company develop superlative and Errorless Software for its client and fulfill all the requirements of the user. Visit Our online website, http://www.riantsoft.com/ For more information. Prepared By: RiantSoft a Software Development Company