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  2. Universally unique identifier - Wikipedia

    en.wikipedia.org/wiki/Universally_unique_identifier

    On POSIX systems, local-domain numbers 0 and 1 are for user ids and group ids respectively, and other local-domain numbers are site-defined. On non-POSIX systems, all local domain numbers are site-defined. The ability to include a 40-bit domain/identifier in the UUID comes with a tradeoff.

  3. System for Cross-domain Identity Management - Wikipedia

    en.wikipedia.org/wiki/System_for_Cross-domain...

    tools .ietf .org /wg /scim /. System for Cross-domain Identity Management ( SCIM) is a standard for automating the exchange of user identity information between identity domains, or IT systems. One example might be that as a company onboards new employees and separates from existing employees, they are added and removed from the company's ...

  4. User identifier - Wikipedia

    en.wikipedia.org/wiki/User_identifier

    User identifier. Unix-like operating systems identify a user by a value called a user identifier, often abbreviated to user ID or UID. The UID, along with the group identifier (GID) and other access control criteria, is used to determine which system resources a user can access. The password file maps textual user names to UIDs.

  5. OpenID - Wikipedia

    en.wikipedia.org/wiki/OpenID

    The OpenID logo. OpenID is an open standard and decentralized authentication protocol promoted by the non-profit OpenID Foundation.It allows users to be authenticated by co-operating sites (known as relying parties, or RP) using a third-party identity provider (IDP) service, eliminating the need for webmasters to provide their own ad hoc login systems, and allowing users to log in to multiple ...

  6. User Datagram Protocol - Wikipedia

    en.wikipedia.org/wiki/User_Datagram_Protocol

    e. In computer networking, the User Datagram Protocol ( UDP) is one of the core communication protocols of the Internet protocol suite used to send messages (transported as datagrams in packets) to other hosts on an Internet Protocol (IP) network. Within an IP network, UDP does not require prior communication to set up communication channels or ...

  7. API - Wikipedia

    en.wikipedia.org/wiki/API

    An application programming interface ( API) is a way for two or more computer programs or components to communicate with each other. It is a type of software interface, offering a service to other pieces of software. [1] A document or standard that describes how to build or use such a connection or interface is called an API specification.

  8. Session ID - Wikipedia

    en.wikipedia.org/wiki/Session_ID

    Session ID. In computer science, a session identifier, session ID or session token is a piece of data that is used in network communications (often over HTTPS) to identify a session, a series of related message exchanges. Session identifiers become necessary in cases where the communications infrastructure uses a stateless protocol such as HTTP.

  9. Uniform Resource Identifier - Wikipedia

    en.wikipedia.org/wiki/Uniform_Resource_Identifier

    Uniform Resource Identifier. A Uniform Resource Identifier ( URI) is a unique sequence of characters that identifies an abstract or physical resource, [1] such as resources on a webpage, mail address, phone number, [2] books, real-world objects such as people and places, concepts. [3] URIs are used to identify anything described using the ...