| IBM Data Flow Control Protocols |
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| NetBIOS: Network Basic Input Output System |
| IBM Data Link Control Protocols |
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| DLSw: Data-Link Switching protocol |
| SDLC: Synchronous Data Link Control by IBM |
| IBM Presentation Service Protocols |
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| IBM SNA NAU: Network Accessible Units (PU, LU and CP) |
| APPC: Advanced Program to Program Communication (SNA LU6.2) |
| IBM Transaction Services Protocols |
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| IBM SMB: Server Message Block Protocol |
| IBM Path Control Protocols |
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| APPN: Advanced Peer-to-Peer Networking |
| IBM Transmission Control Protocols |
|---|
| NetBEUI: NetBIOS Extended User Interface |
| IBM Systems Network Architecture and Protocols |
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| IBM SNA - Systems Network Architecture and Protocols |