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Agile Model In Designing System

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Agile model In the context of system design is a flexible and adaptive approach to designing systems that can respond to changing requirements and customer needs.  The key objective is to create a functioning system as soon as possible and to refine it depending on input from stakeholders. The agile model also promotes customer and developer involvement, which helps guarantee that the system being created satisfies end-user requirements. 

Agile model places an emphasis on iterative and incremental development, customer and developer communication, and flexible response to evolving needs. The Agile model typically consists of several iterations or sprints, each of which is focused on delivering a specific set of features or functionality. The stakeholders evaluate the work completed at the conclusion of each sprint and offer feedback, which is then utilized to plan and prioritize the following batch of tasks. This iterative process makes it possible to quickly and without substantial delays incorporate changes in requirements or client requests into the system architecture. 

Phases of Agile Model in Designing System 

Phases in Agile Model

  1. Planning: The team defines the project’s overall goals during the planning phase of the agile model and decides what must be accomplished throughout each sprint. This entails determining the project’s scope, identifying the main stakeholders, and developing a high-level roadmap for the system design. The development methodology, including the agile procedures and practices to be followed, is also established by the team.
  2. Requirement Analysis: The team collaborates with the stakeholders throughout the requirement analysis phase to compile and examine the system’s requirements. This entails gathering requirements and prioritizing them according to their urgency and importance. Additionally, the team identifies any potential hazards or limitations that could affect the project and creates a strategy to mitigate them. 
  3. Designing: The team develops intricate designs for the system interfaces and components at this stage. The team creates any necessary prototypes as well as the architecture and design patterns that will be employed. This phase’s objectives are to lay a strong framework for the system and make that the design is scalable and consistent.
  4. Implementation: The team constructs the system’s individual parts and incorporates them into the overall design during the implementation phase. The team completes each sprint with the delivery of usable software. The team also makes adjustments to the backlog of needs and makes that the system is being developed in accordance with the design. 
  5. Testing: During the testing phase, the team validates the system by putting each component through its paces and making sure it complies with the specifications. The crew also finds and resolves any flaws or problems that come up while testing. Making ensuring the system is high-quality and prepared for deployment is the aim of this phase.
  6. Deployment: The system is given to the end users during this last phase. The team deploys the system in collaboration with the stakeholders and offers any required support and training. This phase’s objective is to guarantee that the system is correctly implemented and that end users can efficiently utilize it.

These are the six phases of the agile model in designing systems. The key characteristic of the agile model is that it is iterative and adaptive, allowing for changes and adjustments to be made throughout the project. This helps to ensure that the system being designed meets the needs of the end users and that the project is delivered on time and within budget.  

Principles of Agile Model in Designing System

The Agile Manifesto is a set of 12 principles that form the basis of the Agile software development methodology. The principles are as follows:

  • Customer satisfaction through early and continuous delivery of valuable software. 
  • Welcome change, even late in the project, to deliver more value to the customer. 
  • Deliver working software frequently, with a preference for shorter timescales. 
  • Collaborate with customers, business people, and developers to ensure a shared understanding of the project.  
  • Build projects around motivated individuals and empower them to take ownership. 
  • A face-to-face conversation is the most efficient and effective method of conveying information. 
  • Working software is the primary measure of progress. 
  • Maintain a sustainable pace of work for both the development team and the customer. 
  • Measure the project’s technical progress through working software. 
  • Technical excellence and good design enhance agility. 
  • Simplicity is essential to maintaining a high level of productivity. 
  • At regular intervals, the team should reflect on its processes and make necessary adjustments to become more effective. 

Use of Agile Model in Designing System

The Agile Model is suitable for use in designing systems under certain conditions:

  • The Agile Model is well-suited for projects with complex and dynamic requirements. It allows the team to adapt to changes in requirements and ensures that the system is flexible and adaptable to changing needs.
  • Agile Model emphasizes frequent iteration and collaboration between team members. This allows the team to identify and resolve issues in real time, improving the overall quality of the system.
  • When the requirements and objectives of a project are unclear, Agile Model can be used to manage the uncertainty and rapidly iterate through different design options until a suitable solution is found.
  • Agile Model works best with cross-functional teams that have a range of skills and expertise. This enables the team to collaborate and work together effectively to develop a high-quality system.
  •  Agile Model emphasizes a customer-focused approach, which ensures that the system meets the needs of the end-users. This is achieved through regular communication and collaboration between the team and stakeholders.

Advantages: 

  1. Increased Customer Satisfaction: Agile strongly emphasizes customer satisfaction and permits ongoing input and interaction. This makes it more likely that the finished product will satisfy the client’s needs and that they will be happy with the outcome.
  2. Faster Time to Market: A quicker time to market is possible thanks to the Agile model’s emphasis on the frequent delivery of functional software. This is so that the development team can respond to consumer and stakeholder feedback and make necessary changes and adjustments.
  3. Better Quality System: Agile encourages continuous testing and integration, which aids in locating and resolving issues early in the development cycle. Product produced as a result is of a higher caliber and is, therefore, more likely to satisfy end users.  
  4. Enhanced Flexibility and Adaptability: The Agile methodology is extremely versatile and permits modifications to be made at any point during the development process. This makes it more likely that the project will proceed as planned and that the final product will satisfy the client.
  5. Improved Teamwork and Communication: Agile promotes teamwork and communication among all members of the development team, including the client and stakeholders. This makes it easier to make sure that everyone is on the same page and working towards the same. objective.
  6. Greater Visibility: Agile offers frequent status updates and reports, increasing public awareness of the project. This makes it easier for the client and other stakeholders to stay updated on the project’s status and make any necessary modifications or revisions. 

Disadvantages 

  1. Lack of planning at the outset: Agile focuses on producing working software rapidly, which can lead to a lack of preparation and a failure to establish the project’s scope, objectives, and requirements at the outset. This could result in misconceptions, poor communication, and a lack of understanding of the project’s goals.
  2. Difficulty with large projects: Large project management can be challenging using the agile methodology, hence it is best suited for small and medium-sized projects. It can be difficult to handle large projects within the Agile framework since they require more planning, collaboration, and documentation.
  3. Changing requirements: Agile allows for changing requirements, however managing changes as the project moves forward can be challenging. This may cause a lack of concentration and have a detrimental effect on the general standard of project. 
  4. Resistance to change: Some stakeholders could have a hard time adjusting to the Agile method because they are reluctant to change. This can lead to a lack of support and reflects the project’s success.
  5. Strong team collaboration: The team members must communicate and work together very well. It can lead to misunderstandings, miscommunication, and a lack of productivity if the team is not well-coordinated.
  6. Cost: Agile might be more expensive than traditional approaches since managing the project and making sure it is delivered on time and within budget takes more time and resources.


Last Updated : 23 Feb, 2023
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