Cloud computing : Theory and Practice

By: Marinescu, Dan CContributor(s): Orr, Malcolm | Page, GregMaterial type: TextTextLanguage: English Publication details: Indianapolis, IN : Cisco Press, 2013Description: 398 p. : ill., map ; 24 cmSubject(s): Cloud computing | Điện toán đám mây | Công nghệ thông tinDDC classification: 004.67 Summary: The defining attributes of the new philosophy for computing services are as follows: • Cloud computing uses Internet technologies to offer elastic services. The term elastic computing refers to the ability to dynamically acquire computing resources and support a variable workload. A cloud service provider maintains a massive infrastructure to support elastic services. • The resources used for these services can be metered and the users can only charge for resources they use. • Maintenance and security are ensured by service providers. • Economy of scale allows service providers to operate more efficiently due to specialization and Centralization. • Cloud computing is cost-effective due to resource multiplexing; lower costs for the service provider They are passed to the cloud users. • Theapplicationdataisstoredclosertothesithereitisusedinadevice-andlocation-independent may, thisdatastoragestrategyincreasesreliabilityandsecurityand, atthesametime, it lowers communication costs.
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The defining attributes of the new philosophy for computing services are as follows:
• Cloud computing uses Internet technologies to offer elastic services. The term elastic computing
refers to the ability to dynamically acquire computing resources and support a variable workload. A cloud service provider maintains a massive infrastructure to support elastic services.
• The resources used for these services can be metered and the users can only charge for resources they use.
• Maintenance and security are ensured by service providers.
• Economy of scale allows service providers to operate more efficiently due to specialization and Centralization.
• Cloud computing is cost-effective due to resource multiplexing; lower costs for the service provider They are passed to the cloud users.
• Theapplicationdataisstoredclosertothesithereitisusedinadevice-andlocation-independent may, thisdatastoragestrategyincreasesreliabilityandsecurityand, atthesametime, it lowers communication costs.

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