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- Session_(computer_science) abstract "In computer science, in particular networking, a session is a semi-permanent interactive information interchange, also known as a dialogue, a conversation or a meeting, between two or more communicating devices, or between a computer and user (see Login session). A session is set up or established at a certain point in time, and then torn down at some later point. An established communication session may involve more than one message in each direction. A session is typically, but not always, stateful, meaning that at least one of the communicating parts needs to save information about the session history in order to be able to communicate, as opposed to stateless communication, where the communication consists of independent requests with responses.An established session is the basic requirement to perform a connection-oriented communication. A session also is the basic step to transmit in connectionless communication modes. However any unidirectional transmission does not define a session.Communication sessions may be implemented as part of protocols and services at the application layer, at the session layer or at the transport layer in the OSI model. Application layer examples: HTTP sessions, which allow associating information with individual visitors A telnet remote login session Session layer example: A Session Initiation Protocol (SIP) based Internet phone call Transport layer example: A TCP session, which is synonymous to a TCP virtual circuit, a TCP connection, or an established TCP socket.In the case of transport protocols that do not implement a formal session layer (e.g., UDP) or where sessions at the application layer are generally very short-lived (e.g., HTTP), sessions are maintained by a higher level program using a method defined in the data being exchanged. For example, an HTTP exchange between a browser and a remote host may include an HTTP cookie which identifies state, such as a unique session ID, information about the user's preferences or authorization level.HTTP/1.0 was thought to only allow a single request and response during one Web/HTTP Session. However a workaround was created by David Hostettler Wain in 1996 such that it was possible to use session IDs to allow multiple phase Web Transaction Processing (TP) Systems (in ICL nomenclature), with the first implementation being called Deity. Protocol version HTTP/1.1 further improved by completing the Common Gateway Interface (CGI) making it easier to maintain the Web Session and supporting HTTP cookies and file uploads.Most client-server sessions are maintained by the transport layer - a single connection for a single session. However each transaction phase of a Web/HTTP session creates a separate connection. Maintaining session continuity between phases required a session ID. The session ID is embedded within the <A HREF> or <FORM> links of dynamic web pages so that it is passed back to the CGI. CGI then uses the session ID to ensure session continuity between transaction phases. One advantage of one connection-per-phase is that it works well over low bandwidth (modem) connections. Deity used a sessionID, screenID and actionID to simplify the design of multiple phase sessions.".
- Session_(computer_science) wikiPageExternalLink session.html.
- Session_(computer_science) wikiPageExternalLink explain-the-methods-used-for-session-tracking.
- Session_(computer_science) wikiPageExternalLink Whittaker_04.pdf.
- Session_(computer_science) wikiPageExternalLink showthread.php?t=1077.
- Session_(computer_science) wikiPageID "865452".
- Session_(computer_science) wikiPageRevisionID "606758132".
- Session_(computer_science) hasPhotoCollection Session_(computer_science).
- Session_(computer_science) subject Category:Hypertext_Transfer_Protocol.
- Session_(computer_science) subject Category:Network_protocols.
- Session_(computer_science) subject Category:World_Wide_Web.
- Session_(computer_science) type Abstraction100002137.
- Session_(computer_science) type Communication100033020.
- Session_(computer_science) type Direction106786629.
- Session_(computer_science) type Message106598915.
- Session_(computer_science) type NetworkProtocols.
- Session_(computer_science) type Protocol106665108.
- Session_(computer_science) type Rule106652242.
- Session_(computer_science) comment "In computer science, in particular networking, a session is a semi-permanent interactive information interchange, also known as a dialogue, a conversation or a meeting, between two or more communicating devices, or between a computer and user (see Login session). A session is set up or established at a certain point in time, and then torn down at some later point. An established communication session may involve more than one message in each direction.".
- Session_(computer_science) label "Sesja (informatyka)".
- Session_(computer_science) label "Session (computer science)".
- Session_(computer_science) label "Session (informatique)".
- Session_(computer_science) label "Sessione".
- Session_(computer_science) label "Sessão (ciência da computação)".
- Session_(computer_science) label "Sitzung (Informatik)".
- Session_(computer_science) label "会话 (计算机科学)".
- Session_(computer_science) sameAs Session.
- Session_(computer_science) sameAs Sitzung_(Informatik).
- Session_(computer_science) sameAs Σύνοδος_(υπολογιστές).
- Session_(computer_science) sameAs Session_(informatique).
- Session_(computer_science) sameAs Sessione.
- Session_(computer_science) sameAs Sesja_(informatyka).
- Session_(computer_science) sameAs Sessão_(ciência_da_computação).
- Session_(computer_science) sameAs m.03jqvf.
- Session_(computer_science) sameAs Q932410.
- Session_(computer_science) sameAs Q932410.
- Session_(computer_science) sameAs Session_(computer_science).
- Session_(computer_science) wasDerivedFrom Session_(computer_science)?oldid=606758132.
- Session_(computer_science) isPrimaryTopicOf Session_(computer_science).