Study Guides/Computer Science/Cloud Computing Deployment Models
Study Guide · Computer Science

What are Cloud Computing Deployment Models?

In Cloud Computing, a deployment model defines where the infrastructure for the cloud resides, who owns it, and who has access to it. There are four primary deployment models used in the IT industry today.

Question (Click to Flip)

What are the main cloud deployment models?

Answer

The four main cloud deployment models are Public Cloud, Private Cloud, Hybrid Cloud, and Community Cloud.

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Key Facts

Public Cloud: Shared, accessed via internet (AWS, Azure).

Private Cloud: Exclusive to one company, high security.

Hybrid Cloud: Mix of public and private.

Community Cloud: Shared by organizations with common interests.

1. Public Cloud

The cloud infrastructure is owned by a third-party cloud provider and made available to the general public over the internet.

  • Examples: Amazon Web Services (AWS), Google Cloud Platform (GCP), Microsoft Azure.
  • Pros: Cost-effective (pay-as-you-go), highly scalable, no maintenance for the user.
  • Cons: Less control over data security.

2. Private Cloud

The cloud infrastructure is operated exclusively for a single organization. It can be physically located on the company's own data centre or hosted by a third party.

  • Pros: Maximum security, complete control over data and privacy.
  • Cons: Very expensive to set up and maintain.
  • Best for: Banks, hospitals, and government agencies handling highly sensitive data.

3. Hybrid Cloud

A combination of both Public and Private clouds. Data and applications can move between them.

  • Example: A company keeps its sensitive customer data on a Private Cloud, but uses a Public Cloud to run heavy data analytics or host its public website.
  • Pros: Offers flexibility, balancing security with cost-effectiveness.

4. Community Cloud

A cloud infrastructure shared by several organizations that have a common goal or regulatory requirement (e.g., a shared cloud for several universities or local government departments).

Questions and Answers

What are the main cloud deployment models?+

The four main cloud deployment models are Public Cloud, Private Cloud, Hybrid Cloud, and Community Cloud.

What is a Hybrid Cloud?+

A hybrid cloud is a computing environment that combines a public cloud and a private cloud, allowing data and applications to be shared between them.

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