• Application Layer
• Presentation Layer
• Session Layer
• Transport Layer
• Network Layer
• Data Link Layer
• Physical Layer

• File Transfer Protocol
• HyperText Transfer Protocol
• Post Office Protocol version 3
• Simple Mail Transfer Protocol
• Telnet
• Transmission Control Protocol
• User Datagram Protocol
• Internet Control Message Protocol

AARP
AppleTalk Address Resolution Protocol

RRP
NSI Registry Registrar Protocol

RTP Video
Real-time Transport Protocol Video

RTP Audio
Real-time Transport Protocol Audio

RTP
Real-time Transport Protocol

COPS
Common Open Policy Service