Inferring Packet Processing Behavior Using Input/Output Monitors

  • Authors:
  • Danai Chasaki;Qiang Wu;Tilman Wolf

  • Affiliations:
  • -;-;-

  • Venue:
  • Proceedings of the 2011 ACM/IEEE Seventh Symposium on Architectures for Networking and Communications Systems
  • Year:
  • 2011

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Abstract

Programmable packet processors have replaced traditional fixed-function custom logic in the data path of routers. This programmability introduces new vulnerabilities in these systems that can lead to new types of network attacks. We propose a modular packet processor monitoring technique that can help in detecting and avoiding such attacks. Using information about the processing time distribution of individual modules, input/output traffic characteristics can be inferred and abnormal behavior can be detected.