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Material Type: Notes; Professor: Mock; Class: Automata, Algorithms, and Complexity; Subject: Computer Science ; University: University of Alaska - Anchorage; Term: Fall 2009;
Typology: Study notes
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The Physical Organization
of Networks
The Physical Organization
of Networks
Linking nodes:
Both of these topologies are uncommon today
Hub A device that repeats or broadcasts the network stream of information to individual nodes ( usually personal computers) Switch A device that receives packets from its input link, and then sorts them and transmits them over the proper link that connects to the node addressed. Bridge Transparently links two local networks that have identical rules of communication. Gateway A link between two different networks that have different rules of communication. Router A node that sends network packets in one of many possible directions to get them to their destination.
Bridge LAN / Backbone Design
Path 1 Router
Path 6 Path 5
Path 3
Path 4
Path 2 Network A
Network B
Network C
Frames must be long enough to detect collision during transmission!
4-
4-
4-
4-
134.114.140.34), not the English-like domain name!
at the top of the tree
math.uaa.alaska.edu engr.uaa.alaska.edu ...
uaa.alaska.edu
alaska.edu ucdavis.edu ...
.edu
2,
4,
6,
Iterative Resolution