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: Users can provision computing capabilities (server time, network storage) automatically without requiring human interaction with the service provider.

The infrastructure is a composition of two or more distinct cloud topologies (private, community, or public) that remain unique entities but are bound together by standardized technology. This enables data and application portability (e.g., cloud bursting for load balancing).

Buyya’s team continued to evolve , the cloud platform introduced in the 2011 book. In 2021, they presented Aneka 5G (and later Aneka 6G) as a platform for rapid development of cloud/big data applications, with resource provisioning driven by SLAs. This platform supports deployment on private/public clouds and integrates 5G/6G network capabilities for ultra‑low‑latency applications. : Users can provision computing capabilities (server time,

: Cloud systems automatically control and optimize resource use by leveraging a metering capability at some level of abstraction appropriate to the type of service. 2. Service Models (The "SPI" Framework)

Cloud computing is a model of delivering computing services over the internet, where resources such as servers, storage, databases, software, and applications are provided as a service to users on-demand. The concept of cloud computing has revolutionized the way computing resources are utilized and managed. Buyya’s team continued to evolve , the cloud

Services are available over the network and accessed through standard mechanisms (mobile phones, laptops, etc.).

| Model | Description | |-------|-------------| | | Services offered over the public Internet, available to anyone (e.g., AWS, Azure, Google Cloud). | | Private cloud | Cloud infrastructure operated exclusively for a single organization, offering greater control and security. | | Community cloud | Shared by several organizations with common concerns (e.g., compliance, jurisdiction). | | Hybrid cloud | Composition of two or more cloud types, allowing data and applications to move between them. | : Cloud systems automatically control and optimize resource

: Services are available over the network and accessed through standard mechanisms (mobile phones, laptops, etc.).

A deployment environment without the hassle of managing underlying hardware and OS software.

Software as a Service (SaaS)

The text explores the roots of cloud computing in distributed, parallel, grid, and utility computing. It categorizes deployment into four main models: Politeknik Elektronika Negeri Surabaya Cloud Computing Principles and Paradigms