Centralized power, highly reliable, but isolated and expensive.
The infrastructure is operated solely for a single organization. It may be managed by the organization or a third party, and may exist on-premises or off-premises. This model provides maximum control and security.
To optimize energy efficiency and server utilization, cloud data centres use . This is the process of moving a running virtual machine from one physical host to another without interrupting the end-user. It allows data centres to consolidate workloads onto fewer servers during low-traffic periods, drastically lowering electricity and cooling footprints. 5. Structured PPT Outline for Students and Professionals This model provides maximum control and security
Mastering Cloud Computing: Principles, Paradigms, and Key Insights from Rajkumar Buyya
: Cloud systems automatically control and optimize resource use by leveraging a metering capability at some level of abstraction appropriate to the type of service (e.g., storage, processing, bandwidth). The Architecture: Layers and Services It allows data centres to consolidate workloads onto
Offers foundational resources such as virtual machines, storage, and networks.
PaaS removes the need for organizations to manage the underlying infrastructure (usually hardware and operating systems) and allows them to focus on the deployment and management of their applications. throughput) between the provider and customer.
A deployment environment without the hassle of managing underlying hardware and OS software.
Application Layer (SaaS) Platform Layer (PaaS) Unified Resources Layer (IaaS) Fabric Layer (Physical hardware)
Formal contracts defining expected performance metrics (uptime, latency, throughput) between the provider and customer.