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Distributed Coordination-Based Systems - Maarten van Steen

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<strong>Coordination</strong>-<strong>Based</strong> <strong>Systems</strong><br />

13.1 <strong>Coordination</strong> Models<br />

<strong>Coordination</strong> models<br />

Essence<br />

We are trying to separate computation from coordination; coordination<br />

deals with all aspects of communication between processes, as well as<br />

their cooperation.<br />

Couplings<br />

Make a distinction between<br />

Temporal coupling: Are cooperating/communicating processes<br />

alive at the same time?<br />

Referential coupling: Do cooperating/communicating processes<br />

know each other explicitly?<br />

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