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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

SNA Networking Protocols

System Network Architecture (SNA) by IBM is a suite of protocols mainly used with IBM mainframe and AS/400 computers.

  • APPC - Advanced Peer-to-Peer Communications provides peer to peer services at the transport and session layer. Part of the System Network Architecture (SNA) suite of protocols.
  • APPN - Advanced Peer-to-Peer Networking supports the computer connections at the network and transport layers. Part of the System Network Architecture (SNA) suite of protocols.