Caesar: a content router for high speed forwarding

  • Authors:
  • Matteo Varvello;Diego Perino;Jairo Esteban

  • Affiliations:
  • Bell Labs, Holmdel, NJ, USA;Bell Labs, Villarceaux, France;Bell Labs, Holmdel, NJ, USA

  • Venue:
  • Proceedings of the second edition of the ICN workshop on Information-centric networking
  • Year:
  • 2012

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Abstract

Today, high-end routers forward hundreds of millions of packets per second by means of longest prefix match on forwarding tables with less than a million IP prefixes. Information-Centric Networking, a novel form of networking where content is requested by its name, poses a new challenge in the design of high-end routers: process at least the same amount of packets, assuming a forwarding table that contains hundreds of millions of content prefixes. In this work we design and preliminarily evaluate Caesar, the first content router that supports name-based forwarding at high speed. Caesar efficiently uses available processing and memory units in a high-end router to support forwarding tables containing a billion content prefixes with unlimited characters.