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<title>What is Ivy?</title>
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The Ivy java library guide</th></tr><tr>
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<h1>What is Ivy?</h1>
<p>Ivy is a software bus designed at CENA (France). A software bus is
a system that allows software applications to exchange information
with the illusion of broadcasting that information, selection being
performed by the receiving applications. Using a software bus is very
similar to dealing with events in a graphical toolkit: on one side,
messages are emitted without caring about who will handle them, and on
the other side, one decide to handle the messages that have a certain
type or follow a certain pattern. Software buses are mainly aimed at
facilitating the rapid development of new agents, and at managing a
dynamic collection of agents on the bus: agents show up, emit messages
and receive some, then leave the bus without blocking the others.
<p>Ivy is implemented as a collection of libaries for several languages and platforms. If you want to read more about the principles Ivy before reading this guide of the java library, please refer to <em>The Ivy sofware bus: a white paper</em>. If you want more details about the internals of Ivy, have a look at <em>The Ivy architecture and protocol</em>. And finally, if you are more interested in other languages, refer to other guides such as <em>The Ivy C library guide</em> or <em>The Ivy Perl library guide</em>. All those documents should be available from the Ivy Web site at <a href="http://www.tls.cena.fr/products/ivy/">http://www.tls.cena.fr/products/ivy/</a>.
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