Optimization of security issues in adoption of cloud ecosystem

This paper presents a concise preface for the Cloud ecosystem, logical cloud security challenges and Confidence Mechanism concept, (REO) architecture and opportunities are presented briefly. To noticeably and resourcefully discuss security intimidation, risks, controls, agreement and other safety desires within the cloud framework, this paper also discuss cloud service providers, cloud vendors and cloud tenants with a framework. Role of security in cloud service ecosystem is further elaborate in the paper.