Microsoft Azure offers many services in its cloud computing platform.
Microsoft Azure is a global cloud platform that is generally available in many regions around the world
Cloud computing provides a modern alternative to the traditional on-premises data center. Public cloud vendors provide and manage all computing infrastructure and the underlying management software. These vendors provide a wide variety of cloud services. A cloud service in this case might be a virtual machine, a web server, or cloud-hosted database engine. As a cloud provider customer, you lease these cloud services on an as-needed basis. In doing so, you convert the capital expense of hardware maintenance into an operational expense.
With on-premises infrastructure,you have complete control over the hardware and software that is deployed. Historically,this has led to hardware procurement decisions that focus on scaling up. An example is purchasing a server with more cores to satisfy peak performance needs. Unfortunately, this infrastructure might be underutilized outside a demand window. With microsoft Azure, you can deploy only the infrastructure that you need, and adjust this up or down at any time. This leads to a focus on scaling out through the deployment of additional compute nodes to satisfy a performance need. Although this has consequences for the design of an appropriate software architecture, there is now ample proof that scaling out the commodity of cloud services is more cost-effective than scaling up through expensive hardware.
For small businesses,Microsoft Azure allows for a low cost entry point,with the ability to scale rapidly as demand for compute increases. This prevents a large up-front capital investment in infrastructure,and it provides the flexibility to architect and re-architect systems as needed. The use of cloud computing fits well with the scale-fast and fail-fast model of startup growth.
Cloud computing is usually classified into three categories: SaaS, PaaS, and IaaS.
SaaS is software that is centrally hosted and managed. It’s usually based on a multitenant architecture—a single version of the application is used for all customers.
With PaaS,you deploy your application into an application-hosting environment that the cloud service vendor provides.
An IaaS cloud vendor runs and manages all physical compute resources and the required software to enable computer virtualization
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