Basic HTML version of Foils prepared Dec. 6 98

Foil 16 LAN switching (1)

From Introduction to Network Security Lectures at Xi'an Jaotong University -- Sept 1998. by Roman Markowski
1 LAN switches (developed in 1990)
  • available for Ethernet, token ring, FDDI
  • provide much higher port density at a lower cost than traditional bridge
  • similar to transparent bridges: learning topology, forwarding, filtering
  • LAN switch is called "frame switch", ATM switch is called "cell switch"
  • micro-segmentation - fewer users per segment; collisions do not occur when one user per segment (dedicated bandwidth for a user)
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