关键词: 信息技术（IT）服务, 业务模式, 生产性服务, 特征

Abstract: The business models adopted by the Information Technology（IT） service industries will directly affect the qualities of delivery of IT service.Moreover，they are very important for future developmental models.Therefore，the architectural implications of three different IT service business models are discussed.Selecting goods，services，and rental paradigm affects every aspect of the business，ranging from approaches to engineering and relationships with customers.The concept and characteristics of IT services are also analyzed for IT service industries to further position themselves in the market-place.

Key words: Information Technology（IT） services, business model, producer services, characteristics