TCAM Architecture for IP Lookup Using Prefix Properties

  • Authors:
  • Ravikumar V.C.;Rabi N. Mahapatra

  • Affiliations:
  • Texas A&M University;Texas A&M University

  • Venue:
  • IEEE Micro
  • Year:
  • 2004

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Abstract

Ternary content-addressable memory (TCAM) is a popular hardware device for fast routing lookup. Though useful, TCAM arrays have high power consumption and heat dissipation, problems alleviated by reducing the number of routing-table entries. The authors present an approach that exploits two properties of prefixes to compact the routing table.