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NIST Cloud Computing Reference Architecture

The NIST Cloud Computing Reference Architecture aims to enhance the federal government's secure adoption of cloud computing, focusing on cost reduction and service improvement. It outlines key service models (SaaS, PaaS, IaaS) and essential characteristics such as on-demand self-service and rapid elasticity. The architecture also describes roles within the cloud ecosystem, including cloud consumers, providers, auditors, brokers, and carriers.

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NIST Cloud Computing Reference Architecture
1. Background NIST : The goal is to accelerate the federal government’s adoption of secure and effective cloud computing to reduce costs and improve services.
NIST working group - Cloud Computing Target Business Use Cases - Cloud Computing Reference Architecture and Taxonomy - Cloud Computing Standards Roadmap - Cloud Computing SAJACC (Standards Acceleration to Jumpstart the Adoption of Cloud Computing) - Cloud Computing Security
2. Objectives Provides a simple and unambiguous taxonomy of three service models - Software as a service (SaaS) - Platform as a service (PaaS) - Infrastructure as a service (IaaS) (Private cloud, Community cloud, Public cloud, and Hybrid cloud)
Provides a unifying view of five essential characteristics - On-demand self-service - Broad network access - Resource pooling - Rapid elasticity - Measured service The project team developed a Strawman model of architectural concepts
3. Cloud Computing Reference Architecture Figure 1: The Conceptual Reference Model
Figure 2: Interactions between the Actors in Cloud Computing
(dedicated and encrypted connection) (capability, flexibility and functionality)
Cloud Consumer
Cloud Provider Figure 7: Cloud Provider - Major Activities
Cloud Auditor => security controls, privacy impact, performance Cloud Broker => intermediation, aggregation, arbitrage
Cloud Carrier provides connectivity and transport of cloud services between cloud consumers and cloud providers (network, telecommunication, access devices )
Figure 17: Cloud Taxonomy