Cloud computing Definitions

This glossary explains the meaning of key words and phrases that information technology (IT) and business professionals use when discussing cloud computing and related software products. You can find additional definitions by visiting WhatIs.com or using the search box below.

  • S

    subscription-based pricing model

    A subscription-based pricing model is a payment structure that allows a customer or organization to purchase or subscribe to a vendor's IT services for a specific period of time for a set price.

  • T

    TOSCA (Topology and Orchestration Specification for Cloud Applications)

    The Topology and Orchestration Specification for Cloud Applications (TOSCA) is an open-source language used to describe the relationships and dependencies between services and applications that reside on a cloud computing platform.

  • V

    vertical cloud

    A vertical cloud is a set of cloud computing services optimized for use in a particular industry, or for a specific business model.

  • W

    Windows Azure Fabric Controller (FC)

    The Azure Fabric Controller (FC) is the part of the Windows Azure platform that monitors and manages virtual and physical servers and coordinates resources for software applications.

  • X

    XaaS (Anything as a Service)

    XaaS is a general, collective term that refers to the delivery of anything as a service.

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