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Glossary

Cloud Deployment Model

The choice of a cloud deployment model is a strategic decision that influences an organization’s flexibility, scalability, costs, and security posture. Whether opting for a public, private, hybrid, or community cloud, it is essential to align the chosen model.

What is a Cloud Deployment Model?

A cloud deployment model refers to the specific configuration, management, and delivery framework used to provide cloud computing services. It defines where the infrastructure is located, how it is accessed, and who manages it. The choice of deployment model impacts the cost, scalability, control, security, and compliance of the cloud services.

Types of Cloud Deployment Models:

  • Public Cloud: Services are delivered over the internet and hosted on the provider’s infrastructure. Public clouds offer scalability and flexibility, with resources shared among multiple tenants. Examples include AWS, Microsoft Azure, and Google Cloud Platform.
  • Private Cloud: Dedicated infrastructure for a single organization, either hosted on-premises or by a third-party provider. Private clouds offer greater control and security, making them suitable for businesses with strict regulatory compliance requirements.
  • Hybrid Cloud: Combines public and private clouds, allowing data and applications to be shared between them. This model offers a balance between flexibility, scalability, and control, enabling businesses to leverage public cloud resources while keeping sensitive data in a private cloud.
  • Community Cloud: Shared infrastructure for a specific community of users with common concerns (e.g., security, regulatory compliance), managed and hosted either by one of the organizations or a third-party provider. This model provides a cost-effective way for similar organizations to share resources.

Characteristics:

  • Scalability and Elasticity: Cloud deployment models offer the ability to scale resources up or down based on demand, providing elasticity not typically available in traditional deployments.
  • Cost Efficiency: Reduces the need for upfront capital expenditure on hardware and software, offering a pay-as-you-go pricing model that can lead to significant cost savings.
  • Accessibility: Services are accessed over the internet, offering users the ability to connect from anywhere, at any time, enhancing collaboration and flexibility.
  • Security and Compliance: Each model presents unique security considerations and compliance capabilities, with providers offering various tools and services to help manage these aspects.

Best Practices:

  • Assessment and Planning: Evaluate business requirements, regulatory compliance needs, and technical specifications to choose the most suitable deployment model.
  • Data Governance: Implement robust data governance policies to manage data security, privacy, and compliance, especially when using public or community clouds.
  • Performance Monitoring: Continuously monitor performance and availability to ensure service levels are met and to optimize resource utilization.
  • Disaster Recovery and Backup: Establish disaster recovery plans and regular backup procedures to protect data and maintain business continuity.

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