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 matters, provides an outline of significant sessions of cloud expertise, and offers guidance and suggestions on how agencies should still ponder the relative possibilities and hazards of cloud computing. Cloud computing has been the topic of loads of observation. makes an attempt to explain cloud computing as a rule phrases, even if, were troublesome simply because cloud computing isn't a unmarried type of method, yet as a substitute spans a spectrum of underlying applied sciences, configuration chances, carrier types, and deployment types. This rfile describes cloud structures and discusses their strengths and weaknesses.
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Require that strong encryption using a robust algorithm with keys of required strength be used for Web sessions whenever the subscribed SaaS application requires the confidentiality of application interaction and data transfers. Also require that the same diligence be applied to stored data. Federal agencies must employ government-approved cryptographic algorithms for encryption and digital signature, and the implementations need to be FIPS 140-2 validated. Understand how cryptographic keys are managed and who has access to them.
As discussed in [Cho06], lower distribution costs allow for economical development and deployment of software features even if they appeal to only a small portion of consumers. 2 Efficient Use of Software Licenses License management overheads can be dramatically reduced using SaaS. As discussed in [Sii01], consumers can employ a single license on multiple computers at different times instead of purchasing extra licenses for separate computers that may not be used and thus over-provisioning the license.
A further complication not shown is that a hybrid cloud may change over time with constituent clouds joining and leaving. Figure 8: Hybrid Cloud 4-15 CLOUD COMPUTING SYNOPSIS AND RECOMMENDATIONS As depicted in Figure 8, a hybrid cloud can be extremely complex. However many less complex and highly useful hybrid cloud configurations are possible. For example, "cloud bursting" is an oftendiscussed concept in which a consumer uses a private cloud for routine workloads, but optionally accesses one or more external clouds during periods of high demand.