System development life cycle (SDLC) plan. Write a paper about the SDLC plan. As a wan design architect, a firm with offices in the US in three different states has asked you to design a global wan solution for their company. They have informed you that the wan solution will provide voice, video, and data communication services. There will be print and file sharing as well as application services that can be accessed by any user in any of the offices. Using the first two phases of the SDLC methodology only (planning, analysis), describe the planning and analysis of the wan solution. Please name your consulting firm as well as the firm requesting your services?