To this, controller of flying guest sale also expressed same point of view. As the development of IT technology and application, more and more IT purchase chief to will discover, the bag outside choosing IT serves business to be able to not solve all IT problem, for example database is safeguarded, large network management, professional software is safeguarded etc. Serving fractionize had been hasten of general trends place, and data restores to take the lead in coming out independently from inside the category is included outside IT, this means domestic data to restore an industry to be in it is mature to progress ceaselessly and tend.