Cited by 7Internet Traffic Analysis and Secure E-votingNetwork Traffic and Congestion ControlSoftware-Defined Networks and 5G

Inferring applications at the network layer using collective traffic statistics

Jin, Yu, Duffield, Nick, Haffner, Patrick, Sen, Subhabrata, Zhang, Zhi-Li·2010·2010 22nd International Teletraffic Congress (lTC 22)

Abstract

Operating, managing and securing networks require a thorough understanding of the demands placed on the network by the endpoints it interconnects, the characteristics of the traffic the endpoints generate, and the distribution of that traffic over the resources of the network infrastructure. A major differentiator in the types of resource required by traffic is the class of endpoint application that generates it. Service providers determine the application mix present in traffic via measurements, e.g., flow measurements furnished by routers. Previous work has shown that a fairly accurate determination of application type can be made from this data. However, protocol level information, such as TCP/UDP ports and other parts of the transport header, and also parts of the network header in some cases, may not be accessible due to the use of encryption or tunneling protocols by endpoints or gateways. Furthermore, the utility of ports as signifiers of application type has some limitations due to abuse and non-standard usage, amongst other reasons. These factors reduce the classification accuracy. In this paper, we propose a novel technique for inferring the distribution of application classes present in the aggregated traffic flows between endpoints, that exploits both the measured statistics of the traffic flows, and the spatial distribution of those flows across the network. Our method employs a two-step supervised model, where the bootstrapping step provides initial (inaccurate) inference on the traffic application classes, and the graph-based calibration step adjusts the initial inference through the collective spatial traffic distribution. In evaluations using real traffic flow measurements from a large ISP, we show how our method can accurately classify application types within aggregate traffic between endpoints, even without knowledge of ports and other traffic features. While the bootstrap estimate classifies the aggregates with 80% accuracy, incorporating spatial distributions through calibration increases the accuracy to 92%, i.e., roughly halving the number of errors.

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Crossref · 10.1109/itc.2010.5608729

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Authors
Jin, Y., Duffield, N., Haffner, P., Sen, S., & Zhang, Z.-L.
Affiliations
  • University of Minnesota (US)
  • AT&T (United States) (US)
Venue
2010 22nd International Teletraffic Congress (lTC 22)
Publisher
IEEE
Published
2010-09
Pages
1-8
OpenAlex
W2002151811
Cited by
7
References
22
Citations by year
2022: 1 · 2018: 1 · 2017: 1 · 2015: 1 · 2012: 2
FWCI
0.78
Type
conference paper
Language
en
Open access
closed
Locations
International Teletraffic Congress (publishedVersion)
Funders
  • National Science Foundation
  • Defense Threat Reduction Agency
Topics
  • Physical Sciences › Computer Science › Artificial Intelligence › Internet Traffic Analysis and Secure E-voting
  • Physical Sciences › Computer Science › Computer Networks and Communications › Network Traffic and Congestion Control
  • Physical Sciences › Computer Science › Computer Networks and Communications › Software-Defined Networks and 5G
Keywords
network traffic classification, bootstrapping, encrypted traffic, tunneling protocols, network resource allocation

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