• Cloud deployment models describe how cloud computing resources are hosted, managed, and made available to users.

Types of Clouds/Cloud Deployment Models

  • There are several deployment models, each with its characteristics and use cases.
  • The selection of the right deployment model depends on factors such as organizational requirements, data sensitivity, compliance considerations, and the specific needs of workloads. Many organizations adopt a hybrid or multi-cloud strategy to balance flexibility, control, and efficiency.
  • The primary cloud deployment models are Public Cloud, Private Cloud, Hybrid Cloud, and Multi-Cloud. These are:-
  1. Public Cloud

    • In a public cloud deployment, cloud resources and services are owned and operated by a third-party cloud service provider.
    • In a public cloud deployment, resources are made available to the general public or a large industry group.
    • Users share the same infrastructure, and services are delivered over the Internet.
    • Some Common Characteristics of the Public Cloud are:
      • Cost-effective, as resources are shared among multiple users at the same time.
      • Easily scalable to meet varying workloads of users’ needs.
      • Minimal upfront investment and maintenance for users.
      • Examples are AWS, Microsoft Azure, Google Cloud Platform (GCP), etc.
  2. Private Cloud

    • In a private cloud deployment, cloud resources are used exclusively by a single organization.
    • The infrastructure can be hosted on-premises or by a third-party provider.
    • Private clouds offer enhanced control, security, and customization, making them suitable for organizations with specific compliance or regulatory requirements.
    • Some Common Characteristics of the Private Cloud are:
      • Dedicated infrastructure for a single specific organization.
      • Greater control over security and compliance.
      • Customization and tailoring of resources to specific needs.
      • Examples are on-premises private clouds, VMware Cloud, OpenStack, etc.
  3. Hybrid Cloud

    • Hybrid cloud deployments combine elements of both public and private clouds.
    • Organizations can use a mix of on-premises, private cloud, and public cloud resources based on specific needs and workload requirements.
    • Hybrid clouds provide flexibility, allowing data and applications to move seamlessly between environments.
    • Some Common Characteristics of the Hybrid Cloud are:
      • Data and application portability across environments.
      • Scalability and flexibility to handle varying workloads.
      • Enhanced security for sensitive data through private cloud components.
      • Examples include AWS Outposts, Azure Hybrid Cloud, Google Anthos, etc.
  4. Multi-Cloud

    • Multi-cloud deployments involve using services from multiple cloud providers to meet different business needs.
    • Organizations may use services from various providers simultaneously, leveraging the strengths of each provider.
    • This approach can offer redundancy, risk mitigation, and access to specialized services.
    • Some Common Characteristics of the Multi-Cloud are:
      • Avoids vendor lock-in by distributing workloads across multiple providers.
      • Access to a broad range of services from different providers.
      • Enhanced flexibility and redundancy.
      • Examples are using AWS for storage, Azure for machine learning, and Google Cloud for analytics, etc.



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