IT outsourcing has become an emerging strategic approach to optimize IT resource. Generally speaking, IT outsouring aims to cut cost, gain higher-quality IT resources, improve IT application and companys' business performance. However, it is impossible for any company to gain best performance if it hasn't the management system suitable to IT outsourcing. On the other hand, the company without appropriate management systems will be confronted with losing of the control over IT development and of IT's flexi...