Basic HTML version of Foils prepared Dec. 6 98

Foil 20 Tag switching (2)

From Introduction to Network Security Lectures at Xi'an Jaotong University -- Sept 1998. by Roman Markowski
1 Forwarding component
  • forwarding decision is based on exact-match algorithm using a fixed-length, fairly short tag as an index
    • simple forwarding procedure
    • high performance
    • straightforward hardware implementation
  • the same forwarding algorithm applies for unicast and multicast
  • tag forwarding component is independent of the network-layer protocol
in Table To:

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