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CNIT131 Internet Basics & Beginning HTML

This article provides an overview of cloud computing, including its definition according to IEEE and NIST, as well as its characteristics and deployment models. It also references authoritative sources for further exploration.

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CNIT131 Internet Basics & Beginning HTML

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  1. CNIT131 Internet Basics & Beginning HTML Week 13 – Cloud Computing http://fog.ccsf.edu/~hyip

  2. What is Cloud Computing? • IEEE (Institute of Electrical and Electronics Engineer) • Cloud computing is set of resources and services offered through the Internet. Cloud services are delivered from data centers located throughout the world. Cloud computing facilitates its consumers by providing virtual resources via internet. • NIST (National Institute of Standards and Technology): • Cloud computing is a model for enabling ubiquitous, 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. • Wikipedia: • It is the delivery of computing and storage capacityas a serviceto a community of end-recipients. The name comes from the use of a cloud-shaped symbol as an abstraction for the complex infrastructure it contains in system diagrams. Cloud computing entrusts services with a user's data, software and computation over a network.

  3. Cloud Computing Characteristics • On-Demand self-service – any new services and changes (storage, memory, etc.) can be enabled without human interaction • Broad Network access – services are accessible from standard network connection through thick and thin devices • Resource pooling – resources are pooled and shared among all users – nothing is dedicated (The computing capabilities 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 – resources can be quickly scaled up, down, in or out based on demand (can be purchased in any quantity at any time.) • Measured Service – resource usage is measured and shown to the user regularly including charge backs where applicable

  4. Service Models

  5. Service Models (2)

  6. Deployment Models

  7. Deployment Models (2)

  8. References • Discovering the Internet: Complete, Jennifer Campbell, Course Technology, Cengage Learning, 5th Edition-2015, ISBN 978-1-285-84540-1. • Basics of Web Design HTML5 & CSS3, Second Edition, by Terry Felke-Morris, Peason, ISBN 978-0-13-312891-8.

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