Basic HTML version of Foils prepared Dec. 6 98

Foil 38 DECnet (4)

From Introduction to Network Protocols Lectures at Xi'an Jaotong University -- Sept 1998. by Roman Markowski
Addressing: addresses are not associated with the physical networks to which nodes are connected
address: area.node (= 16 bits)
  • area = 1-63
  • node = 1-1023
  • ~65,000 nodes can be attached to DECnet network
if a node has a few network interfaces, it uses the same area.node address for each interface
address conversion:
  • 12.75 = 12363 (base 10) = 304B (base 16)
  • appended to the standard DECnet MAC address AA00.0400 after byte swapped : AA00.0400.4B30

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