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Table 1 Actors in cloud computing [37]

From: Reliability and high availability in cloud computing environments: a reference roadmap

Actors Definition
Cloud consumer Any individual person or organization that has a business relationship with cloud providers and consumes available services
Cloud provider Any individual entity or organization which is responsible for making services available and providing computing resources to cloud consumers
Cloud broker An IT entity that provides an entry for managing performance and QoS of cloud computing services. In addition, it helps cloud providers and consumers with management of service negotiations
Cloud auditor A party that can provide an independent evaluation of cloud services provided by cloud providers in terms of performance, security and privacy impact, information system operations and etc. in the cloud environments
Cloud carrier An intermediary party that provides access and connectivity to consumers through any access devices such as networks. Cloud carrier transports services from a cloud provider to cloud consumers