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Method and system for mitigating interest flooding attacks in content-centric networks

  • US 9,185,120 B2
  • Filed: 08/20/2013
  • Issued: 11/10/2015
  • Est. Priority Date: 05/23/2013
  • Status: Active Grant
First Claim
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1. A method for mitigating Interest flooding attacks in content-centric networks (CCNs), comprising:

  • receiving, by a network device via a physical interface of the network device, Interest packets for one or more name prefixes;

    counting a number of Interests received via the physical interface and deleted from a pending Interest table due to a timeout;

    computing Interest satisfaction statistics for the physical interface based on the counted Interests; and

    in response to receiving an Interest packet for a target name prefix, determining whether to forward or drop the Interest packet based on the Interest satisfaction statistics for the target name prefix.

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