Inter-server

Protocols

• IPsec, secure network protocol that can be used to secure a host-to-host connection
• The domain name system, which uses an inter-server protocol for zone transfers;
• The Dynamic Host Configuration Protocol ;
• FXP, allowing file transfer directly between FTP servers;
• The Inter-Asterisk eXchange ;
• InterMUD;
• The IRC, an Internet chat system with an inter-server protocol allowing clients to be distributed across many servers;
• The Network News Transfer Protocol ;
• The Protocol for SYnchronous Conferencing ;
• SIP, a signaling protocol commonly used for Voice over IP;
• SILC, a secure Internet conferencing protocol;
• The Extensible Messaging and Presence Protocol.
• ActivityPub a client/server API for creating, updating and deleting content, as well as a federated server-to-server API for delivering notifications and content.