Fathom: a browser-based network measurement platform

  • Authors:
  • Mohan Dhawan;Justin Samuel;Renata Teixeira;Christian Kreibich;Mark Allman;Nicholas Weaver;Vern Paxson

  • Affiliations:
  • Rutgers University, Piscataway, NJ, USA;UC Berkeley, Berkeley, CA, USA;CNRS & UPMC, Paris, France;ICSI & UC San Diego, Berkeley, CA, USA;ICSI, Berkeley, CA, USA;ICSI & UC San Diego, Berkeley, CA, USA;ICSI & UC Berkeley, Berkeley, CA, USA

  • Venue:
  • Proceedings of the 2012 ACM conference on Internet measurement conference
  • Year:
  • 2012

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Abstract

For analyzing network performance issues, there can be great utility in having the capability to measure directly from the perspective of end systems. Because end systems do not provide any external programming interface to measurement functionality, obtaining this capability today generally requires installing a custom executable on the system, which can prove prohibitively expensive. In this work we leverage the ubiquity of web browsers to demonstrate the possibilities of browsers themselves offering such a programmable environment. We present Fathom, a Firefox extension that implements a number of measurement primitives that enable websites or other parties to program network measurements using JavaScript. Fathom is lightweight, imposing Netalyzr network characterization tool, debugging web access failures, and enabling web sites to diagnose performance problems of their clients.