Development of an internet backbone topology for large-scale network simulations

Michael Liljenstam, Jason Liu, David Malcolm Nicol

Research output: Contribution to journalConference articlepeer-review


A number of network simulators are now capable of simulating systems with millions of devices, at the IP packet level. With this ability comes a need for realistic network descriptions of commensurate size. This paper describes our effort to build a detailed model of the U.S. Internet backbone based on measurements taken from a variety of mapping sources and tools. We identify key attributes of a network design that are needed to use the model in a simulation, describe which components are available and which must be modeled, and discuss the pros and cons of this approach as compared to synthetic generation. As for attributes that we have to model, we also briefly discuss some measurement efforts that can potentially provide the missing pieces, and thus improve the fidelity of the model. Finally, we describe the resulting network model of the U.S. Internet backbone, which is being made publicly available.

Original languageEnglish (US)
Pages (from-to)694-702
Number of pages9
JournalWinter Simulation Conference Proceedings
StatePublished - Dec 1 2003
Externally publishedYes
EventProceedings of the 2003 Winter Simulation Conference: Driving Innovation - New Orleans, LA, United States
Duration: Dec 7 2003Dec 10 2003

ASJC Scopus subject areas

  • Software
  • Modeling and Simulation
  • Safety, Risk, Reliability and Quality
  • Chemical Health and Safety
  • Applied Mathematics


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