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Triangulate position of an unknown host (see http://www.slac.stanford.edu/comp/net/wan-mon/tulip): Shahryar, Les

  1. Visualization 
    1. When zooming maintain size of dots (having problems with x,y to longitude hope to fix in 8/28/07, and will show results, Rehan unable to meet deadlines, still in progress, Faran will work on 8/30/07, new map in progress 9/20/07): 
  2. Bugs/questions:
    1. How do Sno correlate when there are landmarks from SLAC and PlanetLab. It appears Sno for PlanetLab in Ping Results is not same as Sno in PlanetLab landmarks? (currently it is by order of of appearance in Ping Results 10/2/07); Faran
    2. The alpha optimization using PingER data seems to do nothing useful. (faran is looking at 10/2/07): Faran
    3. Confidence Estimates table does not sort on table heading (what does it mean, what are units, will replace with IQR/Median 10/2/07): Faran
    4. Location History needs headings or something to explain what the columns are (faran will make proper headings 10/2/07): Faran
    5. Change Ladnmarks to Landmarks on tab in Ping window (reported 9/21/07, will be done in future release 10/2/07): Faran
    6. Sort of LG/SLAC ping results for target = www.cern.ch of sort of  Min RTT gives the top entry as 1 (SWITCH,Switzerland), the next is 0.820 (CERN, Geneva), i.e. it has mis-sorted (reported 10/8/07): Faran
    7. PlanetLab ping results table does not sort by table heading (reported 10/8/07): Faran
    8. The alpha test under Discovery Statistics neeeds to thro away useless values of RTT else plot scaling can be useless: Faran
    9. The alpha optimization using PingER seems to nothing useful (Faran is working on the PingER script is not fetching data 10/2/07): Faran
    10. South Africa landmark only accepts IP addresses so need to accomodate; Faran
    11. What is fixed vs Min RTT under DiscoveryStatistics (Faran will talk to Asif 10/2/07, not needed now): Faran.
    12. Sometimes fails, maybe because when tulip starts it downloads Site.txt from niit server. If that be the case the left side table on the main frame should be empty and status bar should say "Error downloading config. file."
  3. Improvements
    1. Allow alpha to change (lot of work, many changes, could improve, need analysis & understanding)
    2. Look at using PingER historical data to optimize alpha (agreed 4/12/07):
    3. Evaluate whether using traceroute data helps (Suggested by Umar & Les 2/26/07, could add 3 more RTTs to minimize from):
    4. Add traceroute location: Shahryar
    5. Add results from GeoIP: Faran
    6. New Sites. txt
      1. Integrate Faran's proposed format into Reflector.pl: Shahryar
  4. Landmarks
    1. Get more landmarks for TULIP, ideally need at least one landmark in all major developing countries that do not have direct connections to nearby countries.:
      1. China (sent email to ctsnet 7/26/06, reminded 12/6/06, 1/27/07): Les
      2. Add Hong Kong to landmarks (9/21/07): Faran
      3. Is IHEP in list?
      4. Try and get sites in Africa: Les
      5. Try to get landmarks in Argentina, Peru, Mexico and Chile: Les
  5. Documentation
    1. Add information on the interpretive script sent to PlanetLab hosts: Shahryar
  6. Analysis (need for examination 5/31/07)
    1. Provide API (agreed 6/28/07, changes to TULIP mean current API is not working):
    2. Literature search on triangulation, multi-lateration:
    3. Optimize alpha by landmark (after have new location algorithm working, will try 1:2 for US, 1:3 for Europe, 2:15 Africa, done at NIIT, need to deploy at SLAC 4/10/07, Faran is worried about how to group nodes by region etc. and anomalies 6/13/07), hope to review results by 6/5/07): Faran
    4. Make help document available as wiki: Faran, Les
    5. Compare with GeoIP Tool & Hostip.info

      1. Find cases where TULIP beats GeoIP Tool [Done 4.68.116.16, probably backbone routers too]

      2. Compare with MaxMind (see http://www.maxmind.com/app/geolitecountry): Faran
      3. Document comparison in Wiki (is this done?): Shahryar
      4. Confidence estimates of accuracy
      5. Applied to PingER hosts
      6. Outside triangles, area coverage
      7. Effect/need to vary alpha: Faran
      8. Look at big discrepancies
    6. Provide bubble maps of accuracy: Faran
    7. What area/population is covered by TULIP
    8. Show accuracy by region and country: Faran
  7. Look at publication
    1. Find conference: all
    2. Can we get Cisco interested?: Arshad, Faran
    3. Update documentation: Les, Faran
    4. Read paper at http://research.microsoft.com/%7Epadmanab/papers/sigcomm2001.pdf:
    5. Put Faran's final year project documentation online: Faran, Umar
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