Dubai Silicon Oasis (DSO) is a Dubai free zone, and the Dubai Integrated Economic Zones Authority (DIEZ) is the body that runs it, issues the licences and keeps the register of companies. IFZA (the International Free Zone Authority) is not a free zone: it is a commercial operator occupying premises inside Dubai Silicon Oasis and selling incorporations of companies that are, in law, created in the DSO free zone under DIEZ regulations. A company “in IFZA” is a company in Dubai Silicon Oasis.
