Cloud computing (CC) is a model that allows ubiquitous, convenient, and on-demand access to computing resources. Other computers and users only access resources when they need them, which minimizes wastage and allows universal use of similar resources. Another name used to refer to this concept is on-demand computing, owing to its nature. It allows for the achievement of coherence and economies of scale in computer networks. When in need of understanding more about cloud computing Columbus OH is the place to visit.
The concept of on-demand computing has undergone a lot of changes. The exact origin of the term is still unclear up to this day even though several theories have been forwarded by various theorists regarding its origin. However, the use of the term goes as back 1996, with Compaq using it in one of its internal documents. Real popularization occurred in 2006 with the introduction of the Elastic Compute Cloud by Amazon.com.
The concept of CC came up as a result of adopting and evolving technologies and paradigms that were in existence. With the development of CC, it became possible to make use of the paradigms and technologies without having to have expertise in them. Thus, obstacles in IT are eliminated as costs are cut. This allows users to focus on differentiating their businesses instead of laying IT infrastructures.
Virtualization is the technology that allows for the existence of CC. A physical computing device is separated into virtual devices that are all capable of performing computer tasks. The same can happen at the operating system level, allowing for more efficient utilization of resources and time. Agility necessary for speeding up IT operations is achieved through virtualization. This reduces expenses by increasing the utilization of IT infrastructure.
So far, there exists three key service models available in CC. With these service models, everything is transformed into a service only to be hired when needed. The three models of service include Software as a service (SaaS), Platform and a service (PaaS), and infrastructures as a service (IaaS. Through IaaS, all details that are entailed in physical infrastructure are abstracted to users. Some of the abstracted details include physical computer resources, location, data partitioning, backup, scaling, and security.
Various devices may be used by clients to access resources on a cloud. The only requirement is for the device to be Ethernet-enabled. Devices that can be used include smartphones, tablets, desktop computers, laptops, and home automation devices. The devices become almost useless without the cloud because they rely on it for everything. There are no specific software needed to access clouds. A browser is often enough.
There are a few deployment models in use today. These include private, public, hybrid, community, and distributed clouds. Others include multicloud and intercloud. Hybrid clouds combine two or more clouds such as private and community or public and private. Individual clouds remain distinct, but are used together.
Security and privacy are the two major concerns in this concept. Privacy and security arise from the fact that the information on clouds can be accessed at any time by the providers of the service. Additionally, service providers also share information with third parties, which may lead to loss of privacy.
The concept of on-demand computing has undergone a lot of changes. The exact origin of the term is still unclear up to this day even though several theories have been forwarded by various theorists regarding its origin. However, the use of the term goes as back 1996, with Compaq using it in one of its internal documents. Real popularization occurred in 2006 with the introduction of the Elastic Compute Cloud by Amazon.com.
The concept of CC came up as a result of adopting and evolving technologies and paradigms that were in existence. With the development of CC, it became possible to make use of the paradigms and technologies without having to have expertise in them. Thus, obstacles in IT are eliminated as costs are cut. This allows users to focus on differentiating their businesses instead of laying IT infrastructures.
Virtualization is the technology that allows for the existence of CC. A physical computing device is separated into virtual devices that are all capable of performing computer tasks. The same can happen at the operating system level, allowing for more efficient utilization of resources and time. Agility necessary for speeding up IT operations is achieved through virtualization. This reduces expenses by increasing the utilization of IT infrastructure.
So far, there exists three key service models available in CC. With these service models, everything is transformed into a service only to be hired when needed. The three models of service include Software as a service (SaaS), Platform and a service (PaaS), and infrastructures as a service (IaaS. Through IaaS, all details that are entailed in physical infrastructure are abstracted to users. Some of the abstracted details include physical computer resources, location, data partitioning, backup, scaling, and security.
Various devices may be used by clients to access resources on a cloud. The only requirement is for the device to be Ethernet-enabled. Devices that can be used include smartphones, tablets, desktop computers, laptops, and home automation devices. The devices become almost useless without the cloud because they rely on it for everything. There are no specific software needed to access clouds. A browser is often enough.
There are a few deployment models in use today. These include private, public, hybrid, community, and distributed clouds. Others include multicloud and intercloud. Hybrid clouds combine two or more clouds such as private and community or public and private. Individual clouds remain distinct, but are used together.
Security and privacy are the two major concerns in this concept. Privacy and security arise from the fact that the information on clouds can be accessed at any time by the providers of the service. Additionally, service providers also share information with third parties, which may lead to loss of privacy.
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