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The Spiral Model is the neo approach in IT project system development and was originally devised by Barry W. Boehm through his article published in 1985 “A Spiral Model of Software Development and Enhancement”.
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.
Tags: barry w boehm, spiral model, waterfall model