25 December 2005

IT: Asynchronous (Definitions)

"Lack of temporal concurrence; not occurring at the same time." (Ruth C Clark & Chopeta Lyons, "Graphics for Learning", 2004)

"A process that is not coordinated in time. In data storage processes, asynchronous means that the device or software does not wait for acknowledgement before performing the next I/O." (Tom Petrocelli, "Data Protection and Information Lifecycle Management", 2005)

"Data that are transmitted without an associated clock signal. The time spacing between data characters or blocks may be of arbitrary duration (opposite of synchronous)." (John R Vacca, "Optical Networking Best Practices Handbook", 2006)

"The ability to send or receive calls independently and in any order." (Craig F Smith & H Peter Alesso, "Thinking on the Web: Berners-Lee, Gödel and Turing", 2008)

"Separate execution streams that can run concurrently in any order relative to each other are asynchronous." (Clay Breshears, "The Art of Concurrency", 2009)

"A system in which events can occur in any order, such as a game where different players can place their moves without being concerned about the order that other players are moving. Contrast with synchronous." (Jon Radoff, "Game On: Energize Your Business with Social Media Games", 2011)

"Describes a style of communication in which the initiator does not wait for a reply. Opposite of synchronous." (DAMA International, "The DAMA Dictionary of Data Management", 2011)

"A style of communication in which the initiator does not wait for a reply." (Craig S Mullins, "Database Administration", 2012)

"Not occurring at the same moment in time as some specific operation of the computer; in other words, not synchronized with the program’s actions" (Nell Dale & John Lewis, "Computer Science Illuminated" 6th Ed., 2015)

"Pertaining to events that are not synchronized in time or do not occur in regular or predictable time intervals." (Sybase, "Open Server Server-Library/C Reference Manual", 2019)

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