Software as a Service and cloud computing

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  • Database as a Service (DBaaS)

    Database as a Service (DBaaS) is a cloud-based approach to the storage and management of structured data. DBaaS delivers database functionality similar to what is found in relational database management systems (RDBMSes) such as SQL Server, MySQL and... 

  • Amazon Web Services (AWS)

    Amazon Web Services (AWS) is a comprehensive, evolving cloud computing platform provided by Amazon.com. Web services are sometimes called cloud services or remote computing services. The first AWS offerings were launched in 2006 to provide online ser... 

  • shadow IT (shadow information technology)

    Shadow IT is hardware or software that is not supported by an organization's IT department.  The term often carries a negative connotation because it implies the IT department has not approved the technology or doesn’t even know that employees are us... 

  • SPI model (SaaS, PaaS, IaaS)

    SPI is an acronym for the most common cloud computing service models, Software as a Service, Platform as a Service and Infrastructure as a Service. 

  • Infrastructure as a Service (IaaS)

    Infrastructure as a Service is a provision model in which an organization outsources the equipment used to support operations, including storage, hardware, servers and networking components. The service provider owns the equipment and is responsible ... 

  • XaaS (anything as a service)

    XaaS is a collective term that stands for a number of things including X as a service, anything as a service or everything as a service. The acronym refers to any of an increasing number of services provided over the Internet that have been tradition... 

  • Software as a Service (SaaS)

    Software as a Service (SaaS) is a software distribution model in which applications are hosted by a vendor or service provider and made available to customers over a network, typically the Internet. 

About Software as a Service and cloud computing

Software as a service includes everything from running enterprise applications like CRM software and business intelligence (BI) software in the cloud, to productivity applications like email in the cloud, and databases in the cloud as well as custom apps in the cloud. One of the greatest challenges with SaaS is the integration of external cloud applications with on-premise data and processes. This section provides information on how to integrate legacy applications with SaaS providers. This topic covers Salesforce.com, SAP Business by Design and Oracle.