Figure 6From: Trust mechanisms for cloud computingEvidence and chains for trust judgment on a cloud service. Trust placed in a cloud service is based on one or more of: (1) cloud service provider, whom is trusted; (2) policy compliance; (3) certified attributes; (4) QoS monitoring and SLA verification, which are conducted by a trusted party such as a trusted broker; (5) reputation calculated or recommendation made by a trusted broker.Back to article page