Message Bus
Camel supports the Message Bus from the EIP patterns. You could view Camel as a Message Bus itself as it allows producers and consumers to be decoupled.
A messaging system such as Apache ActiveMQ can be used as a Message Bus.
Example
The following demonstrates how the Camel message bus can be used to ingest a message into the bus with the JMS component.
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Java
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XML
from("file:inbox")
.to("jms:inbox");
<route>
<from uri="file:inbox"/>
<to uri="jms:inbox"/>
</route>