Do you think that the triple constraints are a necessary evil?

Your company’s executives are seriously considering the idea of implementing a new supply-chain application that could give your organization a strategic edge but do not want to see it crippled like other poorly executed projects.If the CEO has asked you to prepare a memo describing industry standards for improving project management, what are the critical success factors that you will discuss in the memo and why?How does project management fit into the big picture of the systems development life cycle (SDLC) framework for this project?Do you think that the triple constraints are a necessary evil? Why or why not?