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  1. Introduction
  2. Network Models
  3. Network Layers
  4. TCP/IP Protocols
  5. Microsoft Protocols
  6. IPX/SPX Protocols
  7. AppleTalk Protocols
  8. SNA Protocols
  9. Other Protocols
  10. Authentication Protocols
  11. Encryption Protocols
  12. Tunneling Protocols
  13. Terms and Definitions
  14. Credits

AppleTalk Networking Protocols

Apple Computers have had their own set of protocols for many years. More and more operating systems today now can communicate with Apple systems using Apple networking protocols.

  • ADSP - AppleTalk Data Stream Protocol is used to provide data stream service for sockets. The data stream is full duplex meaning communication may be sent both directions at the same time. Works at the OSI network model session layer.
  • AEP - AppleTalk echo protocol uses echoes to tell if a computer, or node, is available. It also measures the time it takes for eches to travel from the source computer (node) to the destination and back. Works at the OSI network model transport layer.
  • AFP - AppleTalk Filing protocol makes network files appear local by managing file sharing at the presentation layer. This protocol is build to top of ASP. AFP supports communication between different types of computers. Works at the OSI network model application and presentation layers.
  • AppleShare - Works at the application layer to provide services.
  • ARUP - AppleTalk update routing is a newer version of RTMP.
  • ASP - AppleTalk Session Protocol opens, maintains, and closes transactions during a session, while ADSP provides a full-duplex, byte-stream service between any two sockets on an AppleTalk Internet. Works at the OSI network model session layer.
  • ATP - AppleTalk Transaction Protocol provides a Transport Layer connection between computers. This protocol guarantees reliability by directing the transaction process and binding the request and response. Works at the OSI network model transport layer.
  • DDP - Datagram Delivery Protocol is a routable protocol that provides for data packet (datagram) transportation. It operates at the network layer of the OSI network model which is the same level the IP protocol in TCP/IP operates at. Works at the OSI network model network layer.
  • LAP - Link-Access Protocol is a set of data link layer protocols that support LocalTalk (LLAP), EtherTalk (ELAP), TokenTalk (TLAP), and FDDITalk. The LAP manager determines which LAP to connect for the correct upper level protocol.
  • NBP - Name-binding protocol translates addresses into user friently three part names. Works at the OSI network model transport layer.
  • PAP - Printer Access Protocol is a connection oriented service for managing information between workstations and printers. It is used to send print requests to printers.
  • RTMP - Routing Table Maintenance Protocol is used to update routers with information about network status and address tables. The whole address table is sent across the network. This protocol sends its information as broadcasts across the network every 10 seconds. Works at the OSI network model transport layer.
  • ZIP - Zone Information Protocol is used by AppleTalk routers co create a Zone Information Table (ZIT). The ZIT has a list of zone names which are associated with network numbers. This list is displayed in the Apple System's file Chooser. Works at the OSI network model session layer.
Network LevelProtocols
ApplicationAFPAppleShare
Presentation
SessionADSPASPZIP
TransportAEPATPNBPRTMP
NetworkDDP
Data LinkLAP protocols