1.4 Gateway Its main function is to convert the XMPP protocol to a protocol used by an external message (Non-XMPP) system, and the returned data is converted into XMPP. These communications are based on gateways and servers, based on gateways and external messages systems.
1.5 Network Because each server is defined by the network address, and Server-to-Server communication is extended from the Client-To-Server protocol. In fact, the system is composed of a local area network server network.
