Definition of cloud computing according to NIST | Cloud Platform
NIST - National Instutite of Standards and Technology (National Institute of Standards and Technology) of the US Department of Commerce, published in September / 2011, the final version of its definition of cloud computing.
Its purpose is to facilitate comparisons between cloud services and deployment strategies, and provide a reference for discussions on cloud computing and its applications. The definition of the NIST cloud computing
Cloud computing is a model for enabling ubiquitous network access, convenient, on-demand to a shared pool of computing resources (such as networks, servers, storage, applications and services) that can be rapidly provisioned and released with minimal management fet effort or interaction with the service provider. Essential characteristics Auto-demand service: The consumer can provision on their own computing resources, such as server time and network storage, as needed automatically without requiring human intervention service providers. Broad network access: Resources are available through the network and are accessed through standard mechanisms that promote use by light or rich client devices from different platforms (such as smartphones, tablets, laptops or desktops). Resource pooling: The provider's computing resources are pooled to serve multiple consumers in multi-tenant mode, with different fet physical and virtual resources dynamically assigned and reassigned according to consumer demand. There is a certain independence of geographical location, since the general consumer does not control or know the exact location of the provided resources (such as storage, processing, memory, and network communication), but may be able to specify location at a level of higher abstraction (such as country, state, or datacenter). Rapid Elasticity: The resources can be provisioned and released elastically, in some cases automatically, to quickly fet increase or decrease according to demand. For the consumer, the resources available for provisioning often appear to be unlimited and can be allocated in any amount and at any time. Measured service: fet The systems in the cloud automatically control and optimize resource use by measurements in an appropriate level of abstraction for the type of service (such as storage, processing, network communication and active user accounts). Resource utilization may be monitored, controlled and informed generating transparent to both the supplier and the consumer of the service used. Software service arrangements as a Service (SaaS - Software as a Service): The consumer supplied feature fet is the use of vendor applications running on a cloud infrastructure. Applications can be accessed by various client devices through light or rich interfaces, such as a web browser (such as web-based email), or by a programming interface. The consumer does not manage or control the underlying cloud infrastructure including network, servers, operating systems, storage, or even individual application capabilities, with the possible exception of user-limited settings. Platform as a Service (PaaS - Platform as a Service): The consumer supplied feature is installed in cloud infrastructure applications created or acquired by the consumer, developed with programming languages, libraries, services and tools supported by the provider or compatible. The consumer does not manage or control the underlying cloud infrastructure including network, servers, operating system or storage, but has control over the installed applications and possibly application hosting environment configurations. Infrastructure as a Service (IaaS - Infrastructure as a Service): The consumer is given resource provision processing, storage, fet network communication and other fundamental computing resources where the consumer can install and run software in general, including operating systems and applications. The consumer does not manage or control the underlying cloud infrastructure but has control over operating systems, storage, and installed applications, and possibly limited control of some network components (such as firewalls).
Note: A cloud infrastructure is the hardware and software package that enables the five essential characteristics fet of cloud computing. The cloud infrastructure is composed of a physical layer and a layer of abstraction. Physical layer consists of hardware resources that support the cloud services being offered, and usually includes servers, storage er
NIST - National Instutite of Standards and Technology (National Institute of Standards and Technology) of the US Department of Commerce, published in September / 2011, the final version of its definition of cloud computing.
Its purpose is to facilitate comparisons between cloud services and deployment strategies, and provide a reference for discussions on cloud computing and its applications. The definition of the NIST cloud computing
Cloud computing is a model for enabling ubiquitous network access, convenient, on-demand to a shared pool of computing resources (such as networks, servers, storage, applications and services) that can be rapidly provisioned and released with minimal management fet effort or interaction with the service provider. Essential characteristics Auto-demand service: The consumer can provision on their own computing resources, such as server time and network storage, as needed automatically without requiring human intervention service providers. Broad network access: Resources are available through the network and are accessed through standard mechanisms that promote use by light or rich client devices from different platforms (such as smartphones, tablets, laptops or desktops). Resource pooling: The provider's computing resources are pooled to serve multiple consumers in multi-tenant mode, with different fet physical and virtual resources dynamically assigned and reassigned according to consumer demand. There is a certain independence of geographical location, since the general consumer does not control or know the exact location of the provided resources (such as storage, processing, memory, and network communication), but may be able to specify location at a level of higher abstraction (such as country, state, or datacenter). Rapid Elasticity: The resources can be provisioned and released elastically, in some cases automatically, to quickly fet increase or decrease according to demand. For the consumer, the resources available for provisioning often appear to be unlimited and can be allocated in any amount and at any time. Measured service: fet The systems in the cloud automatically control and optimize resource use by measurements in an appropriate level of abstraction for the type of service (such as storage, processing, network communication and active user accounts). Resource utilization may be monitored, controlled and informed generating transparent to both the supplier and the consumer of the service used. Software service arrangements as a Service (SaaS - Software as a Service): The consumer supplied feature fet is the use of vendor applications running on a cloud infrastructure. Applications can be accessed by various client devices through light or rich interfaces, such as a web browser (such as web-based email), or by a programming interface. The consumer does not manage or control the underlying cloud infrastructure including network, servers, operating systems, storage, or even individual application capabilities, with the possible exception of user-limited settings. Platform as a Service (PaaS - Platform as a Service): The consumer supplied feature is installed in cloud infrastructure applications created or acquired by the consumer, developed with programming languages, libraries, services and tools supported by the provider or compatible. The consumer does not manage or control the underlying cloud infrastructure including network, servers, operating system or storage, but has control over the installed applications and possibly application hosting environment configurations. Infrastructure as a Service (IaaS - Infrastructure as a Service): The consumer is given resource provision processing, storage, fet network communication and other fundamental computing resources where the consumer can install and run software in general, including operating systems and applications. The consumer does not manage or control the underlying cloud infrastructure but has control over operating systems, storage, and installed applications, and possibly limited control of some network components (such as firewalls).
Note: A cloud infrastructure is the hardware and software package that enables the five essential characteristics fet of cloud computing. The cloud infrastructure is composed of a physical layer and a layer of abstraction. Physical layer consists of hardware resources that support the cloud services being offered, and usually includes servers, storage er
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