Cloud Computing Synopsis and Recommendations by Lee Badger, Tim Grance, Robert Patt-Corner, U.S. Department

By Lee Badger, Tim Grance, Robert Patt-Corner, U.S. Department of Commerce

This record reprises the NIST-established definition of cloud computing, describes cloud computing advantages and open concerns, offers an summary of significant periods of cloud know-how, and gives directions and proposals on how businesses should still think of the relative possibilities and hazards of cloud computing. Cloud computing has been the topic of loads of statement. makes an attempt to explain cloud computing quite often phrases, despite the fact that, were tricky simply because cloud computing isn't really a unmarried type of approach, yet as a substitute spans a spectrum of underlying applied sciences, configuration chances, provider types, and deployment types. This rfile describes cloud platforms and discusses their strengths and weaknesses.

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The details of provider system operation are usually considered proprietary information and are not divulged to consumers. In many cases, the software employed by a provider is proprietary and likely not available for examination by consumers. Consequently, consumers do not (at the time of this writing) have a guaranteed way to monitor or authorize access to their resources in the cloud. Although providers may make strong efforts to carry out the requests of consumers and some may provide monitoring services, consumers must either trust that the provider is performing operations with fidelity or, if the provider has contracted with a third party auditing organization, trust that the auditing is accurate and timely.

4-16 CLOUD COMPUTING SYNOPSIS AND RECOMMENDATIONS 5. Software-as-a-Service Environments The purpose of this section is to describe the architecture and basic operation of SaaS, or Software as a Service, in a cloud-computing environment. This information is important for readers who need to evaluate whether a SaaS cloud offering can satisfy particular reliability, compliance, or security requirements, and also for readers who want to understand operational mechanisms. The term SaaS dates from the 1990s and thus predates the term cloud computing.

4 Issues and Concerns Compared with traditional computing and software distribution solutions, outsourced and public SaaS clouds perform more application-level logic at provider facilities. For all scenarios, SaaS clouds place significant reliance on consumer browsers to be both reliable and secure. These constraints raise a number of issues and concerns, and affect the types of applications that are good fits for SaaS. 1 Browser-based Risks and Risk Remediation Although browsers encrypt their communications with cloud providers, subtle disclosures of information are still possible.

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