| 1 |
DECnet Phase IV 8 layers
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| 2 |
Phycisal - support for Ethernet/IEEE 802.3, FDDI, Token Ring
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| 3 |
Data Link -support IEEE 802.2, Frame Relay, HDLC (High Level Data Link Control), LAPB (Link Accessed Procedure, Balanced; DDCMP (Digital Data Communication Message Protocol)
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| 4 |
Routing (-> Network) -based on DRP - DECnet Routing Protocol
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| 5 |
End Communication (-> Transport) - NSP (Network Service Protocol) - connection oriented protocol
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| 6 |
Session Control
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| 7 |
Network Application (-> Presentation)
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| 8 |
Network Management (-> Application)
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| 9 |
User Layer (-> Application)
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