Read the following article: Khan, A. W., & Khan, S. U. (2013). Critical success factors for offshore software outsourcing contract management from vendors’ perspective: An exploratory study using a systematic literature review. IET Software, 7(6), 327-338. Retrieved from http://ieeexplore.ieee.org/stamptstamp.jsp?arnumber=6680575 analyze and discuss the role, process, and importance of sub-contracting and outsourcing in projects. Include real-world examples or a scenario supported by solid research to prove your points.