XMPP is an XML-based protocol designed for near-real-time messaging and presence and request-response services. XMPP adopts a client-server architecture. The client uses XMPP to access the server through TCP, and the servers also use TCP to communicate with each other.
XMPP is an XML-based protocol designed for near-real-time messaging and presence and request-response services. XMPP adopts a client-server architecture. The client uses XMPP to access the server through TCP, and the servers also use TCP to communicate with each other.
In XMPP, the server acts as an intelligent abstraction layer responsible for authenticating connections and session management between clients and servers and other entities. The server also stores and processes data used by clients. Each client connects directly to the server via a TCP connection and gets all the functionality provided by the server and federated servers via XMPP.
The address space of the XMPP system is represented by JabberID (JID). A legal JID includes a set of arranged elements, including domain identifier, node identifier, and resource identifier. ).
In XMPP, routing of messages is usually achieved by passing XML streams between servers, which are identified by network addresses, and communication between them is optional. When two contacts who are not on the same domain send XMPP messages, their clients connect to their respective "home" servers, which then connect directly to the other party's server to communicate.
In general, XMPP is an XML-based protocol that adopts a client-server architecture and uses XML streams as the basis for message delivery.
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