Programming XMPP Server Components
Jabber Server Components are distinguished into several groups. Following a description of each.
These components are loaded by the jabber server upon startup.
These components are loaded and executed when a request for this component arrives at the server.
These parts are external standalone applications which connect in most cases through a concurrent TCP/IP connection to a Jabber Server. These are the most common components. Whenever a request or a xmpp chunk for this component arrives at the server, the server uses the existing concurrent connection to forward the chunk to the component. The component in return may use the connection to send data through the server.