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* A [[SaaS]] service provides application functionality that a user can directly use, e.g. Customer Relationship Management (CRM) functionality, e-mail functionality, Office functionality. | * A [[SaaS]] service provides application functionality that a user can directly use, e.g. Customer Relationship Management (CRM) functionality, e-mail functionality, Office functionality. | ||
* A [[PaaS]] service provides the platform for running a custom application, e.g. a [[.NET]] Framework on a server with access to a number of libraries and related services. | * A [[PaaS]] service provides the platform for running a custom application, e.g. a [[.NET]] Framework on a server with access to a number of libraries and related services. | ||
− | * An [[IaaS]] service covers the [[infrastructure]] like a Windows server or Linux server from the Cloud, including required underlying resources like | + | * An [[IaaS]] service covers the [[infrastructure]] like a Windows server or Linux server from the Cloud, including required underlying resources like storage and connectivity. |
− | Various other functionality is available "as a Service" from the Cloud. E.g., Communication as a Service (CaaS) is an outsourced Enterprise Communications solution that can be hired from an external provider. Such a CaaS solution can cover functionality for voice over IP, Instant Messaging (IM), and videoconference. CaaS can also stand for Compliance-as-a-service. Other examples: | + | Various other functionality is available "as a Service" from the Cloud. E.g., Communication as a Service (CaaS) is an outsourced Enterprise Communications solution that can be hired from an external provider. Such a CaaS solution can cover functionality for voice over IP, Instant Messaging (IM), and videoconference. CaaS can also stand for Compliance-as-a-service. Other examples: Identity-as-a-Service (IDaaS), Monitoring-as-a-Service (MaaS), Storage-as-a-Service. |
== Using the Cloud == | == Using the Cloud == | ||
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* The Hypertext Transfer Protocol (HTTP) is the basis for data communication on the World Wide Web. It now is an official standard from the Internet Engineering Task Force (IETF) and the World Wide Web Consortium ([[W3C]]), documented in so-called Requests for Comments (RFCs). HTTP defines nine actions on data, including HEAD, GET and POST. | * The Hypertext Transfer Protocol (HTTP) is the basis for data communication on the World Wide Web. It now is an official standard from the Internet Engineering Task Force (IETF) and the World Wide Web Consortium ([[W3C]]), documented in so-called Requests for Comments (RFCs). HTTP defines nine actions on data, including HEAD, GET and POST. | ||
− | Networking protocols are commonly mapped on the 7 layers of the Open Systems Interconnection model ( | + | Networking protocols are commonly mapped on the 7 layers of the Open Systems Interconnection model (OSI model). |
Although no end-user would typically need to debug the use of these standard protocols, troubleshooting is certainly possible by using protocol analyzers (sniffers). Depending on the configuration of the network, such tools may also be used to reconstruct confidential data being transferred. Therefore the use of them may be prohibited or considered a security threat. | Although no end-user would typically need to debug the use of these standard protocols, troubleshooting is certainly possible by using protocol analyzers (sniffers). Depending on the configuration of the network, such tools may also be used to reconstruct confidential data being transferred. Therefore the use of them may be prohibited or considered a security threat. | ||
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== Related terms == | == Related terms == | ||
* [[Cloud Native Computing Foundation (CNCF)]] | * [[Cloud Native Computing Foundation (CNCF)]] | ||
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==See also== | ==See also== | ||
+ | * {{AWS}} | ||
+ | * {{DevOps}} | ||
* {{Cloud}} | * {{Cloud}} | ||
− | * | + | * [[Hyper-converged infrastructure]] (HCI) |
[[Category:Cloud computing| ]] | [[Category:Cloud computing| ]] |
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