Content-Based Router is a frequently used form of the more generic Message Router (78). It uses predictive routing—that is, it incorporates knowledge of the capabilities of all other systems. This makes for efficient routing because each outgoing message is sent directly to the correct system. The downside is that the Content-Based Router has to have knowledge of all possible recipients and their capabilities. As recipients are added, removed, or changed, the Content-Based Router has to be changed every time.
