Protocols
- ADSP, AppleTalk Data Stream Protocol
- ASP, AppleTalk Session Protocol
- H.245, Call Control Protocol for Multimedia Communication
- ISO-SP, OSI session-layer protocol (X.225, ISO 8327)
- iSNS, Internet Storage Name Service
- L2F, Layer 2 Forwarding Protocol
- L2TP, Layer 2 Tunneling Protocol
- NetBIOS, Network Basic Input Output System
- PAP, Password Authentication Protocol
- PPTP, Point-to-Point Tunneling Protocol
- RPC, Remote Procedure Call Protocol
- RTCP, Real-time Transport Control Protocol
- SMPP, Short Message Peer-to-Peer
- SCP, Session Control Protocol
- SOCKS, the SOCKS internet protocol, see Internet socket
- ZIP, Zone Information Protocol
- SDP, Sockets Direct Protocol
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