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What are public, private and hybrid clouds?An intro to cloud service deployment options
Hybrid cloud computingA hybrid cloud is a type of cloud computing that combines on-premises infrastructure—or a private cloud—with a public cloud. Hybrid clouds allow data and apps to move between the two environments. Many organisations choose a hybrid cloud approach due to business imperatives such as meeting regulatory and data sovereignty requirements, taking full advantage of on-premises technology investment or addressing low latency issues. The hybrid cloud is evolving to include edge workloads as well. Edge computing brings the computing power of the cloud to IoT devices—closer to where the data resides. By moving workloads to the edge, devices spend less time communicating with the cloud, reducing latency and they are even able to operate reliably in extended offline periods. The benefits of a hybrid cloud platformA hybrid cloud platform gives organisations many advantages—such as greater flexibility, more deployment options, security, compliance and getting more value from their existing infrastructure. When computing and processing demand fluctuates, hybrid cloud computing gives businesses the ability to seamlessly scale up their on-premises infrastructure to the public cloud to handle any overflow—without giving third-party datacenters access to the entirety of their data. Organisations gain the flexibility and innovation the public cloud provides by running certain workloads in the cloud while keeping highly sensitive data in their own datacenter to meet client needs or regulatory requirements. This not only allows companies to scale computing resources— it also eliminates the need to make massive capital expenditures to handle short-term spikes in demand, as well as when the business needs to free up local resources for more sensitive data or applications. Companies will pay only for resources they temporarily use instead of having to purchase, programme and maintain additional resources and equipment which could remain idle over long periods of time. Read more about hybrid cloud capabilities and getting started with Azure Advantages of the hybrid cloud:
Understanding your deployment options—Public cloud, private cloud or hybrid cloud?There is no one type of cloud computing that is right for everyone. Several different cloud computing models, types and services have evolved to meet the rapidly changing technology needs of organisations. There are three different ways to deploy cloud services: on a public cloud, private cloud or hybrid cloud. Which deployment method depends on your business needs. What is a public cloud?Public clouds are the most common type of cloud computing deployment. The cloud resources (like servers and storage) are owned and operated by a third-party cloud service provider and delivered over the internet. With a public cloud, all hardware, software and other supporting infrastructure are owned and managed by the cloud provider. Microsoft Azure is an example of a public cloud. In a public cloud, you share the same hardware, storage and network devices with other organisations or cloud “tenants,” and you access services and manage your account using a web browser. Public cloud deployments are frequently used to provide web-based email, online office applications, storage and testing and development environments. Advantages of public clouds:
What is a private cloud?A private cloud consists of cloud computing resources used exclusively by one business or organisation. The private cloud can be physically located at your organisation’s on-site datacenter or it can be hosted by a third-party service provider. But in a private cloud, the services and infrastructure are always maintained on a private network and the hardware and software are dedicated solely to your organisation. In this way, a private cloud can make it easier for an organisation to customise its resources to meet specific IT requirements. Private clouds are often used by government agencies, financial institutions, any other mid- to large-size organisations with business-critical operations seeking enhanced control over their environment. Advantages of a private cloud:
Frequently asked questions
Get started with building hybrid cloud solutions on AzureFind a comprehensive approach that fits your own scenario across on-premises, multicloud, and edge environments. Explore unique hybrid offerings such as Azure Arc and Azure Stack—with the flexibility to innovate anywhere in your hybrid environment, while operating seamlessly and securely in the trusted Microsoft cloud. Ready when you are—let us set up your free accountStart free What is SaaS PaaS and IaaS in cloud computing?IAAS gives access to the resources like virtual machines and virtual storage. PAAS give access to run time environment to deployment and development tools for application. SAAS give access to the end user. Model. It is a service model that provides visualized computing resources over the internet.
Who is responsible for maintaining software when using a cloud service?The cloud service customer is responsible for securing and managing the virtual network, virtual machines, operating systems, middleware, applications, interfaces, and data.
What is PaaS and SaaS?PaaS, or platform as a service, is on-demand access to a complete, ready-to-use, cloud-hosted platform for developing, running, maintaining and managing applications. SaaS, or software as a service, is on-demand access to ready-to-use, cloud-hosted application software.
What are the 4 types of cloud computing?There are four main types of cloud computing: private clouds, public clouds, hybrid clouds, and multiclouds. There are also three main types of cloud computing services: Infrastructure-as-a-Service (IaaS), Platforms-as-a-Service (PaaS), and Software-as-a-Service (SaaS).
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