Basic HTML version of Foils prepared Dec. 6 98

Foil 25 AppleTalk (2)

From Introduction to Network Protocols Lectures at Xi'an Jaotong University -- Sept 1998. by Roman Markowski


1 AppleTalk Network Elements
  • Network - a cable segment attached to a router; each network is identified by a network number or a range of network numbers; example: network range 11700-11700; there are 2 network-numbering systems:
    • Phase 1 or not-extended 8-bit addressing - allows 254 nodes per network
    • Phase 2 or extended 16-bit addressing - allows for 16,580,608 nodes per network
  • Zone - logical collection of nodes; it can be a collection of nodes on a different networks; each zone is identified by a unique name; example: zone name "NPAC"
  • Internet - the whole network of zones
  • Seed Router - broadcasts information about network numbers and zone names

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