ITEE ITEE-1 | Page 107

Reference SaaS Abbreviation for “Software as a Service.” Reference System Integration “System integration” refers to a form of service that integrates various tasks such as information system design, development, testing, and operations and maintenance. With this service, even a company with no experience in system development can develop an optimal system that integrates products from multiple vendors. (3)SaaS “SaaS” is a service that provides necessary software functions via the Internet. Only the necessary functions are used and fees are paid accordingly. The service is similar to the service provided by ASPs, but SaaS uses a “multi-tenant scheme” where multiple companies share a single server. (4)Outsourcing “Outsourcing” is where a third party specialist is hired to perform everything or almost everything related to development, operation, and maintenance of the information system. Outsourcing Development Operations Maintenance Server (5)Hosting service A “hosting service” is a type of outsourcing in which a third party specialist handles operations related to servers and other equipment. The hosting company provides the servers and other equipment which are managed at advanced facilities by professional technicians, so a higher level of reliability can be expected. There are also cost benefits as the facilities and technicians are shared among several user companies. Outsource facility operations Equipment Server (6)Housing service A “housing service” is a service in which the user provides the servers and other equipment, while a third-party specialist is requested to provide the space and connectivity, carry out operations. Compared to hosting services, there is more freedom to configure settings such as server type, OS, and security measures. Outsource operations Operations 101