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loose coupling

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loose coupling

[′lüs ′kəp·liŋ]
(electricity)
Coupling of a degree less than the critical coupling.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

loose coupling

Hardware and software components that interact when necessary, but remain uncoupled from each other. For example, computers in a network are loosely coupled. When the user's client machine requires data from the server, it sends a request to the server. Otherwise, it performs work independently. In a loosely-coupled multiprocessing environment, where several computers share the workload, a machine can be added and replaced without shutting down the entire system.

Software Loose Coupling
Loosely-coupled software means routines (modules, programs) are called by an application and executed as needed. For example, Web services employ loose coupling. When a function is required, the appropriate Web service module is executed. Loosely-coupled software often refers to programs with standard interfaces that serve multiple computing environments. Contrast with tight coupling. See Web services.
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References in periodicals archive
'Loose coupling' of these two systems is proposed in [3].
The classic CSD approach is combined with a CFD code in a form of loose coupling such that the blade elastic motions computed using CSD method and the aerodynamic forces and moments obtained using CFD method are exchanged at specified instant of time.
Web Service is a kind of technology structure to achieve the SOA based on XML, which has the characteristics of good encapsulation, loose coupling, the use of standard protocol specification, highly integrated ability and so on, it has the advantages of the interoperability of heterogeneous platform, wider range of software reuse, reliable communication capability and convenient business integration and so on.
The concept of loose coupling captures one way in which organizations sometimes adapt to normative demands coming from their social environment.
Despite the loose coupling mechanism (LCM) is the simplest technique, however suffers from high handoff delay and packet loss [7].
As suggested by Kafai (2001), the design of GBL can be categorized into tight coupling and loose coupling, in terms of the relationship of learning content and gameplay in GBL.
TEHRAN (FNA)- Neuroscientists have uncovered the existence of loose coupling between calcium channels and release sensors of exocytosis at a mature central synapse in the rodent brain.
As shown in Figure 2(b), the loose coupling of the structure provides only one attenuation pole.
Take for example many implementations of SOA where there is an incorrect belief that by exposing business components as Web services, we achieve good architecture, which implies loose coupling and autonomy.
That is, identifying and developing innovations requires loose coupling, but implementing this innovation across the organization requires tighter coupling.
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