1.
A service model is a strategic framework that defines how an organization designs, delivers, and manages its services to meet customer or business needs.
2.A deployment model defines where a system's infrastructure lives, who owns and manages it, and how users access it.
3. The cloud service model is divided into three primary layers: IAAS(infrastructure as a Service), PAAS(Platform as a Service), SAAS(Software as a Service).
4.The cloud service is divided into four layers: Public cloud, private cloud, hybrid cloud, multi cloud.
5.Service and deployment models define how cloud computing infrastructure is structured, shared, and delivered to users.
Role of service models: It define what level of IT resource is delivered and how management responsibilities are split between you and the provider.
Role of deployment models: It determine where your infrastructure lives, who owns and manages it, and how it accessed.