DECnet (3)

DECnet Phase IV 8 layers

• Phycisal - support for Ethernet/IEEE 802.3, FDDI, Token Ring

• 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)

• Routing (-> Network) -based on DRP - DECnet Routing Protocol

• End Communication (-> Transport) - NSP (Network Service Protocol) - connection oriented protocol

• Session Control

• Network Application (-> Presentation)

• Network Management (-> Application)

• User Layer (-> Application)

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