Cloud computing is a model for enabling ubiquitous, on-demand access to a shared pool of configurable computing resources (e.g., networks, servers, storage, applications, and services) that can be rapidly provisioned and released with minimal management effort or service provider interaction.

Key Concepts

  • On-Demand Self-Service: A consumer can unilaterally provision computing capabilities, such as server time and network storage, as needed automatically without requiring human interaction with each service's provider.
  • Broad Network Access: Capabilities are available over the network and can be accessed through standard mechanisms that promote use by heterogeneous thin or thick client platforms.
  • Resource Pooling: The provider's computing resources are pooled to serve multiple consumers using a multi-tenant model, with different physical and virtual resources dynamically assigned and reassigned according to consumer demand.
  • Rapid Elasticity: Capabilities can be rapidly and elastically provisioned, in some cases automatically, to quickly scale out and rapidly release to meet fluctuating demand.
  • Measured Service: Cloud systems automatically control and optimize resource use by leveraging a metering capability, for example, by measuring resource usage and by controlling access through policies based on the consumer's defined quota.

Benefits of Cloud Computing

  • Cost Efficiency: Reduces IT costs by eliminating the need for in-house hardware and software.
  • Scalability: Allows businesses to scale up or down their computing resources based on their needs.
  • Flexibility: Enables businesses to quickly adapt to changing demands and technologies.
  • Reliability: Provides high availability and disaster recovery options.

Further Reading

For more information on cloud computing concepts and best practices, please visit our Cloud Computing Guide.

Cloud Computing Architecture