CLOUD SERVICE AGENCY, CLOUD COMPUTING METHOD AND CLOUD SYSTEM

The disclosure discloses a cloud service broker, a cloud computing method and a cloud system. The cloud service broker comprises: a cloud service publishing interface module, configured to subscribe to information of cloud computing services and/or resources provided by a plurality of cloud service providers; a cloud service consuming interface module, configured to provide a consuming interface for a cloud service requester to access the cloud service provider; a cloud service processing module, configured to process a cloud service consumer request of the cloud service requester; and a cloud service adapting module, configured to adapt or call, according to cloud service consumer request, cloud computing services and/or resources provided by the cloud service provider. With the disclosure, the effect of facilitating cloud service requesters to use cloud services provided by different cloud service providers is achieved. Furthermore, system resources are saved and the system efficiency is improved.