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Users can provision cloud resources without manual intervention, using a web portal.

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Cloud services are accessible via the internet or local networks from various devices.

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Cloud resources are shared among multiple users while ensuring privacy and efficient resource usage.

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Cloud resources can be quickly scaled up or down as needed, reducing capital expenditure.

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Usage is metered, and organizations pay based on actual consumption, promoting cost efficiency.

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National Institute of Standards and Technology (NIST) defines cloud computing as it is known today through 5 particular characteristics

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Section 3: Public, Private, Hybrid And Community Models

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Section 3: Public, Private, Hybrid And Community Models

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refers to a cloud infrastructure that is made available to the general public or a wide industry group. The service provider lets clients access the cloud via the Internet.

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is a cloud infrastructure that is used solely by the organization that owns it. It may reside in-house or off premises.

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is composed of two or more clouds that remain unique entities but can interoperate using standard or proprietary protocols.

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is a cloud infrastructure that is shared by several organizations and supports a specific community that has shared concerns (e.g., mission, security requirements, policy, and compliance considerations).

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defined according to where the infrastructure for the deployment resides and who has control

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keeps sensitive data in a secure private cloud, and use public clouds for running the rest of their applications.

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a group of servers that you privately own and control

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Delivers software (applications) as a service over the Internet.

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It delivers computing platform (e.g., middleware platform and solution stack) as a service.

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It delivers computer infrastructure (normally a virtual machine) as a service.

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CCRA is a generic high-level conceptual model that is a powerful tool for discussing the requirements, structures, and operations of cloud computing.

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represents a person or organization that maintains a business relationship with, and uses the service from, a cloud provider.

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A cloud provider can be a person, an organization, or an entity responsible for making a service available to cloud consumers.

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is a party that can conduct independent assessment of cloud services, information system operations, performance, and security of a cloud implementation.

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Cloud brokers simplify complex cloud service integration like Jamcracker as example, they offer three key functions:

1. service intermediation (enhancing services)

2. service aggregation (integrating multiple services)

3. service arbitrage (flexible service selection).

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Section 6: Cloud Platform Reference Architecture 

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Section 6: Cloud Platform Reference Architecture 

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Cloud Reference Architecture (CRA) helps organizations address the need for detailed, modular and current architecture guidance for building solutions in the cloud.

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Well Architected Framework provides recommendations and describes best practices to help architects, developers, administrators, and other cloud practitioners design and operate a cloud topology that's secure, efficient, resilient, high-performing, and cost-effective, such as:

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1. AWS Well Architected Framework (AWS WAF)

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1. AWS Well Architected Framework (AWS WAF)

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A guide for designing infrastructures that are secure, high-performing, resilient and efficient, with consistent approach to evaluating and implementing cloud architectures.

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Provides recommendations and describes best practices to help architects, developers, administrators, and other cloud practitioners design and operate a cloud topology that's secure, efficient, resilient, high-performing, and cost-effective.

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3. Alibaba Cloud’s Well-Architectured Framework

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3. Alibaba Cloud’s Well-Architectured Framework

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Helps cloud architects build the most secure, resilient, and efficient infrastructure possible for their applications through the three pillars