AppleTalk - Six-layer Protocol Suite
Session Layer:
- ADSP - AppleTalk Data Stream Protocol, works with ATP to ensure reliable data transmission; includes flow control
- ZIP - Zone Information Protocol, maps network numbers to network zones; the information is kept in ZIT=Zone Information Table
- ASP - AppleTalk Session Protocol, responsible for opening and closing sessions
- PAP - Printer Access Protocol, maintains print service
Presentation and Application Layers:
- AFP - AppleTalk Filing Protocol
- PostScript - paged description language
- AppleShare is a centralized file-sharing system that runs on top of AppleTalk on a Macintosh system; AppleShare servers are accessed by AppleShare clients