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[1] http://www.caida.org/Tools/taxonomy.html
[2] http://www.caida.org/Tools/Skitter/
[3] http://www.advanced.org/surveyor/
[4] http://www.psc.edu/networking/nimi/
[5] http://www.advanced.org/IPPM/
[6] R.Siamwalla, R.Sharma, and S.Keshav `Discovering Internet Topology`, IEEE Infocom`99, 1999
[7] Hwa-chun Lin, Shou-Chuan Lai, and Ping-Wen Chen `An Algorithm for Automatic Topology Discovery of IP Networks`
[8] Vern Paxson `End-to-End Routing Behavior in the Internet` SIGCOMM `96
[9] Henk Uijterwaal `Internet Delay Measurements using Test Traffic - Design Note`, June, 1997
[10] Henk Uijterwaal `Internet Delay Measurements using Test Traffic - Installing and hosting a Text Box`, Feb. 1999