operation and
maintenance for a certain period of time at the user’s request and under the service provider’s
overall responsibility. In the US, the term ‘outsourcing’ is used considering that the
information system function is carried out by an external institution and, depending on the
scope or method of assignment, the information system function is divided into SI, System
Operation (SO), Facilities Management (FM), and System Management (SM).
In 1996, the overall scale of the domestic SI market amounted to approximately KRW 2,790
billion, and there were approximately 350 companies active in the market, including 38 largesized
companies representing 86% of the whole market (based on yearly turnovers).