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International Journal of Computer Science (IJCS) Published by SK Research Group of Companies (SKRGC)

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The packet-pair technique is a widely adopted Method to estimate the capacity of a path. The use of the packet-pair technique has been suggested in numerous applications including network management and end-to-end admission control. Recent observations also indicate that this technique can be used to fingerprint Internet paths. However, given that packet-pair measurements are performed in an open environment, end-hosts might try to alter these measurements to increase their gain in the network. In this paper, we explore the security of measurements based on the packet-pair technique. More specifically, we analyze the major threats against bandwidth estimation using the packet-pair technique and we demonstrate empirically that current implementations of this technique are vulnerable to a wide range of bandwidth manipulation attacks—in which end-hosts can accurately modify their claimed bandwidths. We propose lightweight countermeasure to detect attacks on bandwidth measurements; our technique can detect whether delays were inserted within the transmission of a packet-pair (e.g., by bandwidth shapers). We further propose a novel scheme for remote path identification using the distribution of packet-pair dispersions and we evaluate its accuracy, robustness , and potential use. Our findings suggest that the packet-pair technique can reveal valuable information about the identity/locations of remote hosts.


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Measurement, security

  • Format Volume 2, Issue 2, No 4, 2014
  • Copyright All Rights Reserved ©2014
  • Year of Publication 2014
  • Author S.SARANYA
  • Reference IJCS-069
  • Page No 398-402

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