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Tutorial 2: More on Cloud Computing
INFS3208 – Cloud Computing
2• Question 1: What are the four deployment models in cloud computing?
3Four deployment models in cloud computing
• Public Cloud
• Private Cloud
• Community Cloud
• Hybrid Cloud
• A cloud deployment model represents a specific type of cloud environment
• In terms of ownership, size, and access, models can be divided into four common
groups:
– Public cloud
• a publicly accessible cloud environment owned by a third-party cloud provider
• usually supplied via the delivery models and offered to consumers at a cost
• is created and on-going maintained by the cloud provider.
• typical examples: GCP, AWS, AZURE, etc.
– Community cloud
• is similar to a public cloud except that its access is limited to a community of cloud consumers.
• may be jointly owned by the community members or by a third-party cloud provider
• cloud consumers of the community typically share the responsibility for defining and evolving the
community cloud
• Typical examples: Cloud for multiple governmental departments.
Cloud Computing INFS3208
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5Cloud Deployment Models
– Private cloud
• is owned by a single organization and enables an organization to use CC technology to
access to IT resources by different parts, locations, or departments.
• actual administration may be carried out by internal or outsourced staff.
• within a private cloud, the same organization is technically both the cloud consumer and
provider
• Typical examples: UQCloud (VMs) and UQRDM cloud (STaaS)
– Hybrid cloud
• is a cloud environment comprised of two or more different cloud deployment models.
• Example: private cloud (sensitive data) + public cloud (less sensitive cloud services)
• can be complex and challenging to create and maintain due to the potential disparity in
cloud environments