DECnet (6)

DECnet Phase V 7 layers

• Physical - support for Ethernet/IEEE 802.3, FDDI, Token Ring, Frame Relay, X.21b

• 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)

• Network - support DRP, ISO 8473, ISO 9542, ISO 10589

• Transport - NSP (Network Service Protocol), TCP, 3 standard OSI transport protocols

• Session Control

• Presentation

• Application

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