Cloud Computing: Key Concepts and Attributes
Explore the essence of cloud computing through key concepts like shared resources, broad network access, on-demand self-service, scalability, and metered usage. Discover the NIST definition and service delivery models in this comprehensive overview from NASA.
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Presentation Transcript
Cloud Computing: Concepts Source: Cloud Computing Architecture, IT Security, & Operational - NASA
Cloud Computing NIST Definition: A model for enabling convenient, on-demand network 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 What is Cloud What is Cloud Computing? Computing?
Shared / pooled resources Broad network access Five Key Cloud Attributes On-demand self-service Scalable and elastic Metered by use
What is Cloud Computing? Shared / Pooled Resources: Resources are drawn from a common pool Common resources build economies of scale Common infrastructure runs at high efficiency
What is Cloud Computing? Broad Network Access: Open standards and APIs Almost always IP, HTTP, and REST Available from anywhere with an internet connection
What is Cloud Computing? On-Demand Self-Service: Completely automated Users abstracted from the implementation Near real-time delivery (seconds or minutes) Services accessed through a self-serve web interface
What is Cloud Computing? Scalable and Elastic: Resources dynamically-allocated between users Additional resources dynamically-released when needed Fully automated
What is Cloud Computing? Metered by Use: Services are metered, like a utility Users pay only for services used Services can be cancelled at any time
What is Cloud Computing? Three Service Delivery Models IaaS: Infrastructure as a Service PaaS: Platform as Service SaaS: Software as Service Virtual Machines Virtual Networks Auto Elastic Continuous Integration PaaS Built for Cloud Uses PaaS IaaS SaaS
What is Cloud Computing? Service Delivery Model Examples Amazon Google Salesforce Microsoft SaaS PaaS IaaS Products and companies shown for illustrative purposes only and should not be construed as an endorsement
Deployment Models Public Clouds Private Clouds Hybrid Clouds
