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Zorluk: KolayCloud Architecture and Deployment Models

Match each cloud computing service model to the primary architectural boundary managed by the cloud service provider.

  • Infrastructure as a Service (IaaS)Physical hardware, facilities, core networking, and hypervisor virtualization layer
  • Platform as a Service (PaaS)Underlying infrastructure, operating system, middleware, and application runtime environment
  • Software as a Service (SaaS)Complete software application stack, application maintenance, platform, and underlying infrastructure

Cevap

Infrastructure as a Service (IaaS) matches physical hardware, facilities, core networking, and hypervisor virtualization layer; Platform as a Service (PaaS) matches underlying infrastructure, operating system, middleware, and application runtime environment; Software as a Service (SaaS) matches complete software application stack, application maintenance, platform, and underlying infrastructure.
Each cloud service model defines a distinct demarcation point under the shared responsibility model. Infrastructure as a Service (IaaS) limits provider management to physical facilities and hardware virtualization. Platform as a Service (PaaS) extends provider control to the operating system and runtime environment. Software as a Service (SaaS) places responsibility for the entire application stack on the cloud provider.

Adım Adım Çözüm

1
Identify provider management responsibilities for Infrastructure as a Service (IaaS).
IaaS providers handle physical hardware, data center security, networking hardware, and the virtualization hypervisor.
IaaS supplies basic computing resources, leaving higher OS and software management to the client.
2
Identify provider management responsibilities for Platform as a Service (PaaS).
PaaS providers manage the operating system, database engines, web servers, and runtime execution frameworks in addition to physical resources.
PaaS abstracts operating system and runtime maintenance away from developers.
3
Identify provider management responsibilities for Software as a Service (SaaS).
SaaS providers manage the entire application service end-to-end.
SaaS delivers ready-to-use software directly to end users without requiring client infrastructure administration.

Anahtar Kavram

Cloud Shared Responsibility Model across Service Models
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