1.Cloud service models are IaaS, PaaS, and SaaS.
2.Cloud deployment models are Public cloud, Private cloud, Hybrid cloud, Community cloud.
3.A Public Cloud is a cloud service provided by a third-party cloud provider and shared among multiple customers.
A Private cloud is a cloud infrastructure dedicated to one organization
4.A Hybrid Cloud combines Public Cloud and Private Cloud. A Multi-Cloud environment uses cloud services from two or more cloud providers.
5.
IaaS – Infrastructure as a Service
IaaS provides basic computing infrastructure such as servers, storage, and networking through the cloud.
Example: AWS EC2
PaaS – Platform as a Service
PaaS provides a platform and tools to develop, test, and run applications without managing the underlying servers.
Example: AWS Elastic Beanstalk