This model of development unites the features of the prototyping model with an iterative approach of system development; combining elements of design and prototyping-in-stages. This model is an effort to combine the advantages of top-down and bottom-up concepts highly preferential for large, exclusive, volatile, and complex projects.
The term "spiral" is used to describe the process that is followed in this model, as the development of the system takes place the mechanisms go back several times over to earlier sequences, over and over again, circulating like a spiral.
The spiral model represents the evolutionary approach of IT project system development and carries the same activities over a number of cycles in order to elucidate system requirements and its solutions.
Similar to the waterfall model, the spiral model has sequential cycles/stages, with each stage having to be completed before moving on to next.
The prime difference between the waterfall model and the spiral model is that the project system development cycle moves towards eventual completion in both the models but in the spiral model the cycles go back several times over to earlier stages in a repetitive sequence.
Progress Cycles, IT Project Management Solutions
The progress cycle of this model is divided into four quadrants, and each quadrant with a different purpose;
Determining Objectives (I)------------Evaluating Alternatives (II)
Planning Next Phase (III)------------Planning Next Phase (IV)
First Quadrant: the top left quadrant determines and identifies the project objectives, alternatives, and constrains of the project. Similar to the system conception stage in the Waterfall Model, here objectives are determined with identifying possible obstacles and weighting alternative approaches.
Second Quadrant: the top right quadrant determines the different alternatives of the project risk analysis, and evaluates their task with each alternative eventually resolving them. Probable alternatives are inspected and associated risks are recognized. Resolutions of the project risks are evaluated, and prototyping is used wherever necessary.
Third Quadrant: the bottom right quadrant develops the system and this quadrant corresponds to the waterfall model with detailed requirements determined for the project.
Fourth Quadrant: the bottom left quadrant plans the next phase development process, providing opportunity to analyze the results and feedback.
In each phase, it begins with a system design and terminates with the client reviewing the progress through prototyping.
The major advantage of the spiral model over the waterfall model is the advance approach on setting project objectives, project risk management and project planning into the overall development cycle. Additionally, another significant advantage is, the user can be given some of the functionality before the entire system is completed.
The spiral model addresses complexity of predetermined system performance by providing an iterative approach to system development, repeating the same activities in order to clarify the problem and provide an accurate classification of the requirement within the bounds of multiple constraints.
Project Management Software Solutions
Project Management can be defined as the discipline of organizing and managing resources (e.g. people) in such a way that the project is completed within defined scope, quality, time and cost constraints. Every project organizer should know the techniques of project management to ensure successful project outcomes by connecting project teams through their choice of methods. Every project team should know various methods to facilitate team document sharing and progress tracking in order to increase productivity and benchmark the overall success of the projects they are engaged in. There are many added advantages in using web based project management software. To maintain the interaction and smooth flow of communication between the employees, groups, teams, associations, organizations etc., web based project and task management software like AgileCircle is highly beneficial. AgileCircle provides web based rentable project management and group collaboration software that makes it easier and faster to manage multiple projects with multiple team members in each project.
A person who is working in a team should know the definition of the team. A team is a group where number of people with complementary skills committed to a common purpose, specific performance goals, a common working approach, and mutual accountability work together. One should recognize how new teams can quickly achieve operational readiness under complex, time driven circumstances, and try to identify and solve the problems that can affect the success of the team. In a team, creativity and resources of each individual should be used effectively. AgileCircle allows a highly interactive, productive knowledge sharing environment where users can create, tag, share and search each other's notes, files, to do lists, links/urls etc.
To collaborate with your team, you can publish milestones, tasks, assignments and related project information. Your team members can then view that information. When team members update information about their assignments, the project manager, sponsors and interested parties can view and respond to this updated information on Project and incorporate it into the project schedule.
AgileCircle.com provides web based services, and business communication solutions, that enable strong information sharing, collaboration, and secure communication capabilities for any size organization. AgileCircle.com allows businesses to efficiently communicate, coordinate, collaborate, manage information, and track data for improved productivity, cost savings and communications. It offers a number of integrated features and business capabilities including secure instant messaging, project management, time tracking, document management, workflow, routing, team calendar sharing, Microsoft Office integration, Microsoft Project Integration, and issues/incidents tracking. Imagine how much confidence the customers will have in you when you offer them an ?open-door policy,? giving them access to view real-time project status from anywhere in the world. Engage your client in the project via access to schedules, project status logs, and files that you deem accessible.
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