Your company has decided to pursue a pure PMI/CMM project model with the basic f

Your company has decided to pursue a pure PMI/CMM project model with the basic four-phase project structure (initiating, planning, executing, and closing with control done in parallel). 
Discuss your ideas of how the flexibility inherent in the basic CMM model might be employed to improve project management processes in your organization.
How does CCM affect each of the triple constraints?
Discuss the best practices for schedule change control.