Selecting ISPs

  • Siemiński Andrzej
Part of the Lecture Notes in Computer Science book series (LNCS, volume 6660)


The users have now many ISPs (Internet Service Providers) to choose from. Selecting an offer with best price/performance ratio is not an easy task. The key factor is the user perceived latency while displaying the Internet pages. Up to now there is no comprehensive theoretical model of the relationship that links the offered network throughput to the browser latency. Therefore an experiment was necessary to measure the actual browser latency for different ISPs. In the paper several properties of the network connection that is offered by ISPs were recorded and analyzed. The results clearly indicate that some of the popular assumptions do not hold. The network throughput and the browser latency are not tightly bound. The use of Content Delivery Networks does not always result in the shortening of the browser response time. On the other hand the internal (within one IPS) trace routs to a WWW server exhibit substantial stability while they are dissimilar for different ISPs. The analysis of the trace routs suggests that the presence of particular hosts in a trace routes indicates slower than usual download time. This property could be used to select an ISP.


browser latency network throughput ISP trace route 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • Siemiński Andrzej
    • 1
  1. 1.Institute for InformaticsTechnical University of WrocławWrocławPoland

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