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<p>environment such as the Internet. When a client receives the changes propagated from another client, it typically transforms the changes before executing them; the transformation ensures that application-dependent consistency criteria (<a href="page.php?w=Invariant_%28computer_science%29">invariant</a>s) are maintained by all sites. This mode of operation results in a system particularly suited for implementing collaboration features, like simultaneous document editing, in a high-latency environment such as <a href="page.php?w=www">the web</a>.</p><p>
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