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Figure from:CLOUD COMPUTING: Comparison of Various Features

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Table 3. Comparison of Some Cloud Computing Platforms

Table 3 Comparison of Some Cloud Computing Platforms

Related Figures (7)

Fig. 1. Simple Structure of Cloud Environment There are so many definitions of Cloud by various researchers. Ian Foster defines cloud computing as “ A large-scale distributed computing paradigm that is driven by economies of scale, in which a pool of abstracted, virtualized, dynamically-scalable, managed computing power, storage, platforms, and services are delivered on demand to external customers over the Internet” [3, 1].
Fig. 1. Simple Structure of Cloud Environment There are so many definitions of Cloud by various researchers. Ian Foster defines cloud computing as “ A large-scale distributed computing paradigm that is driven by economies of scale, in which a pool of abstracted, virtualized, dynamically-scalable, managed computing power, storage, platforms, and services are delivered on demand to external customers over the Internet” [3, 1].
Fig. 2. Global Cloud exchange and market infrastructure [7]
Fig. 2. Global Cloud exchange and market infrastructure [7]
Table 1.
Table 1.
Gartner Executive Programs Worldwide Survey of More Than 2,000 CIOs Identifies Cloud Computing as Top Technology Priority for CIOs in 2011. According to Mr. McDonald "The resource realities indicated in the 2011 CIO Agenda Survey raise the urgency and importance of adopting new infrastructure and operations technologies, such as cloud services and virtualization. These technologies were selected by CIOs the most often and the top-two technologies for 2011 and are well-suited for this budget reality, as they offer similar service levels at lower budget costs." [19]. The vision of cloud, in very near future, will decrease the density of hardware and user will be able to access any service just through one screen, because cloud will provide all software as well as hardware services. 4 Failure of Cloud
Gartner Executive Programs Worldwide Survey of More Than 2,000 CIOs Identifies Cloud Computing as Top Technology Priority for CIOs in 2011. According to Mr. McDonald "The resource realities indicated in the 2011 CIO Agenda Survey raise the urgency and importance of adopting new infrastructure and operations technologies, such as cloud services and virtualization. These technologies were selected by CIOs the most often and the top-two technologies for 2011 and are well-suited for this budget reality, as they offer similar service levels at lower budget costs." [19]. The vision of cloud, in very near future, will decrease the density of hardware and user will be able to access any service just through one screen, because cloud will provide all software as well as hardware services. 4 Failure of Cloud
Table 2. Outage in Cloud 5 Cloud Services
Table 2. Outage in Cloud 5 Cloud Services
Table 4. Platforms Pricing Structure 7 Conclusion and Lights to the Future
Table 4. Platforms Pricing Structure 7 Conclusion and Lights to the Future