[tor-bugs] #1298 [Tor - Tor client]: Tor does not treat multiple streams fairly

Tor Bug Tracker & Wiki torproject-admin at torproject.org
Wed Aug 11 21:04:40 UTC 2010


#1298: Tor does not treat multiple streams fairly
-------------------------------+--------------------------------------------
  Reporter:  mikeperry         |       Owner:  mikeperry         
      Type:  defect            |      Status:  new               
  Priority:  minor             |   Milestone:  Tor: 0.2.2.x-final
 Component:  Tor - Tor client  |     Version:  0.2.1.24          
Resolution:  None              |    Keywords:                    
    Parent:                    |  
-------------------------------+--------------------------------------------

Comment(by mwenge):

 I ran Camilo's script a few times and got the following. The downloads
 didn't complete after the first few goes but the distribution of bandwidth
 per stream seemed fair in many cases. Very often the same circuit
 exhibited fairness in one test run and unfairness in the next.

 torserversnet3:
 thread[0] 1281558283.093650 :  1285568 30.207178  981   18   60  128   64
 96   47   15   23    7    1    0    0    0    0
 thread[1] 1281558282.870243 :  1347348 30.086063 1047   17   69  117   63
 104   39   21   22    8    1    0    0    0    0
 thread[2] 1281558283.164881 :  1351818 30.034449 1050   34   70  114   59
 103   47   16   16    9    2    0    0    0    0

 thread[0] 1281558351.993494 :   987252 31.524040  767   23   39   99   30
 76   23   14    8    8    0    4    0    0    0
 thread[1] 1281558351.931896 :  1046024 33.589523  820   12   43   87   41
 98   25   10    9    3    1    3    1    0    0
 thread[2] 1281558351.993529 :  1064330 30.523550  842   16   47   92   24
 91   20   14    9    6    2    3    0    0    0

 st0nehenger:
 thread[0] 1281558443.629197 :    16572 34.059772   10    0    0    0    0
 0    0    0    0    7    0    1    2    1    0
 thread[1] 1281558443.629208 :    54512 30.051977   43    0    0    0    0
 0    0    0    0   19    2    2    0    0    0
 thread[2] 1281558444.629184 :     1024 68.100372    0    0    0    0    0
 0    0    0    0    0    0    0    0    0    0

 thread[0] 1281558590.505162 :    72414 37.407928   67    0    0    0    0
 1    0    0    0    7    2    0    3    1    0
 thread[1] 1281558590.278249 :   172360 30.623142  157    6    2    0    2
 2    1    1    0   21    2    0    1    0    0
 thread[2] 1281558590.675638 :    36266 30.225664   30    0    0    0    0
 1    0    0    0    4    0    0    3    1    0

 fejk:
 thread[0] 1281558644.945076 :     1024 32.056534    0    0    0    0    0
 0    0    0    0    0    0    0    0    0    1
 thread[1] 1281558643.945112 :   210936 30.044186  191    1    1    0    0
 0    0    0    0   28    1    0    0    0    0
 thread[2] 1281558645.945276 :     1024 39.067944    0    0    0    0    0
 0    0    0    0    0    0    0    0    0    0

 blutmagie4:
 thread[0] 1281558834.182062 :    99504 30.231522   87    1    0    0    0
 0    1    1    2    9    3    2    1    0    0
 thread[1] 1281558834.060585 :   127728 30.352617  113    1    0    0    0
 1    3    0    1   15    1    2    1    0    0
 thread[2] 1281558834.322487 :    64736 34.095009   56    0    1    0    0
 0    1    0    0    7    1    2    2    1    0

 thread[0] 1281558924.900739 :   173336 31.688431  154    0    0    4    0
 2    1    2    1   19    1    0    2    0    0
 thread[1] 1281558925.027798 :    18400 37.569653   14    0    0    0    0
 1    0    0    0    2    0    0    3    1    0
 thread[2] 1281558925.087045 :   109188 30.502056   97    0    0    1    0
 1    0    0    0   12    1    1    2    0    0

 31173services:
 thread[0] 1281559028.220014 :   102384 36.569477   94    1    0    0    0
 2    0    1    1   10    1    1    2    1    0
 thread[1] 1281559028.219999 :    87452 30.561298   78    0    1    0    0
 1    0    1    1   11    1    1    2    0    0
 thread[2] 1281559028.166624 :   105280 31.614664   93    2    1    2    1
 2    0    2    0   12    1    1    2    0    0

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/1298#comment:7>
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