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Software as a service ( SaaS / sæs / [ 1]) is a form of cloud computing in which the provider offers the use of application software to a client and manages all the physical and software resources used by the application. [ 2] The distinguishing feature of SaaS compared to other software delivery models is that it separates "the possession and ...
On-premises software. On-premises software (abbreviated to on-prem, and often written as "on-premise") [ 1] is installed and runs on computers on the premises of the person or organization using the software, rather than at a remote facility such as a server farm or cloud. On-premises software is sometimes referred to as "shrinkwrap" software ...
Winsock. In computing, the Windows Sockets API ( WSA ), later shortened to Winsock, is an application programming interface (API) that defines how Windows network application software should access network services, especially TCP/IP. It defines a standard interface between a Windows TCP/IP client application (such as an FTP client or a web ...
Server Name Indication ( SNI) is an extension to the Transport Layer Security (TLS) computer networking protocol by which a client indicates which hostname it is attempting to connect to at the start of the handshaking process. [ 1] The extension allows a server to present one of multiple possible certificates on the same IP address and TCP ...
Independent software vendor. An independent software vendor ( ISV ), also known as a software publisher, is an organization specializing in making and selling software, as opposed to computer hardware, [ 1] designed for mass or niche markets. This is in contrast to in-house software, which is developed by the organization that will use it, or ...
Service provider. A service provider ( SP) is an organization that provides services, such as consulting, legal, real estate, communications, storage, and processing services, to other organizations. Although a service provider can be a sub-unit of the organization that it serves, it is usually a third-party or outsourced supplier.
An application server is a server that hosts applications [ 1] or software that delivers a business application through a communication protocol. [ 2] For a typical web application, the application server sits behind the web servers . An application server framework is a service layer model. It includes software components available to a ...
Multiprotocol Label Switching. Multiprotocol Label Switching ( MPLS) is a routing technique in telecommunications networks that directs data from one node to the next based on labels rather than network addresses. [ 1] Whereas network addresses identify endpoints, the labels identify established paths between endpoints.